19-1535; Rev 1; 6/00 UAL IT MAN TION K A ET U E L H A S EV TA WS DA FOLLO Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs All devices come in a 20-pin TSSOP-EP package with exposed paddle (EP) and are specified for the extended temperature range (-40C to +85C). Features Ultra-High Linearity at Ultra-Low Current and Noise +2.7V to +3.6V Operation Pin-Selectable Low-Gain Mode Reduces Gain by 17dB and Current by 3mA Pin-Selectable Paging Mode Reduces Current Draw by 6mA when Transmitter Is Not in Use LO Output Buffers LO Frequency Doubler (MAX2321) LO Frequency Divider (MAX2326) 0.1A Shutdown Current 20-Pin TSSOP-EP Package Ordering Information PART TEMP. RANGE PIN-PACKAGE MAX2320EUP -40C to +85C 20 TSSOP-EP MAX2321EUP MAX2322EUP MAX2324EUP -40C to +85C -40C to +85C -40C to +85C 20 TSSOP-EP 20 TSSOP-EP 20 TSSOP-EP MAX2326EUP MAX2327EUP -40C to +85C -40C to +85C 20 TSSOP-EP 20 TSSOP-EP Applications Pin Configurations CDMA/TDMA/PDC/WCDMA/GSM Cellular Phones Single/Dual/Triple-Mode Phones TOP VIEW Wireless Local Loop (WLL) Selector Guide PART DESCRIPTION MAX2320 Dual-band, dual VCO inputs, and dual IF outputs MAX2321 MAX2320 with LO doubler MAX2322 PCS band, single mode with optional frequency doubler MAX2324 MAX2326 MAX2327 Dual-band, dual VCO inputs, and separately controlled VCO buffers LNAOUTH 1 20 MIXINH LNAOUTL 2 19 MIXINL RLNA 3 18 RBIAS LNAINH 4 20 TSSOP-EP 6mm x 6.3mm LNAINL 5 BAND 6 17 CDMA+ MAX2320 MAX2321 MAX2326 LIN 7 16 CDMA15 BUFFEN 14 VCC GAIN 8 13 FMOUT Cellular band, dual IF outputs LOLIN 9 12 LOLOUT MAX2320 with LO divider LOHIN 10 11 LOHOUT Typical Application Circuits appear at end of data sheet. TSSOP Pin Configurations continued at end of data sheet. ________________________________________________________________ Maxim Integrated Products 1 For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. MAX2320/21/22/24/26/27 General Description The MAX2320/MAX2321/MAX2322/MAX2324/MAX2326/ MAX2327 high-performance silicon germanium (SiGe) receiver front-end ICs set a new industry standard for low noise and high linearity at a low supply current. This family integrates a variety of unique features such as an LO frequency doubler and divider, dual low-noise amplifier (LNA) gain settings, and a low-current paging mode that extends the handset standby time. The MAX2320 family includes six ICs: four operate at both cellular and PCS frequencies, one operates at cellular frequencies, and one at PCS frequencies (see Selector Guide). Each part includes an LNA with a high input third-order intercept point (IIP3) to minimize intermodulation and cross-modulation in the presence of large interfering signals. In low-gain mode, the LNA is bypassed to provide higher cascaded IIP3 at a lower current. For paging, a low-current, high-gain mode is provided. The CDMA mixers in cellular and PCS bands have high linearity, low noise, and differential IF outputs. The FM mixer is designed for lower current and a single-ended output. MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs ABSOLUTE MAXIMUM RATINGS VCC to GND ...........................................................-0.3V to +4.3V Digital Input Voltage to GND ......................-0.3V to (VCC + 0.3V) RF Input Signals ...........................................................1.0V peak Continuous Power Dissipation (TA = +70C) 20-Pin TSSOP-EP (derate 80mW/C above +70C)........6.4W Operating Temperature Range ...........................-40C to +85C Junction Temperature ......................................................+150C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. DC ELECTRICAL CHARACTERISTICS--MAX2320/MAX2321/MAX2326 (VCC = +2.7V to +3.6V, RRBIAS = RRLNA = 20k, no RF signals applied, BUFFEN = low, LO buffer outputs connected to VCC through 50 resistors, all other RF and IF outputs connected to VCC, TA = -40C to +85C, unless otherwise noted. Typical values are at VCC = +2.75V and TA = +25C, unless otherwise noted.) PARAMETER Supply Voltage SYMBOL CONDITIONS ICC High-gain, low-linearity paging modes Low-gain, high-linearity modes PCS band Cellular band PCS band Cellular band PCS band Shutdown Supply Current ILOBUF ISHDN UNITS +3.6 V 20 25.3 MAX2321 24 30.8 MAX2320/1 20 25.3 MAX2326 21 25.5 19.5 MAX2320/6 15 MAX2321 19 25 MAX2320/1 15 19.5 MAX2326 15.5 20 MAX2320/6 17 21.5 MAX2321 21 26 17 21.5 17.5 21.5 14 18.5 Cellular band MAX2320/1 5 7.5 Cellular band MAX2326 5.5 8.5 PCS band MAX2320/1/6 5 7.5 0.1 20 Cellular band Additional current for BUFFEN = high MAX MAX2320/6 MAX2320/1 MAX2326 FM mode LO Buffer Supply Current TYP +2.7 High-gain, high-linearity modes Operating Supply Current (Note 1) MIN VCC (Note 1) mA A Digital Input Logic High VIH Digital Input Logic Low VIL 0.6 V Digital Input Current High IIH 5 A Digital Input Current Low IIL 2 2.0 mA -35 _______________________________________________________________________________________ V A Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs (VCC = +2.7V to +3.6V, RRBIAS = RRLNA = 20k, no RF signals applied, BUFFEN = low, LO buffer outputs connected to VCC through 50 resistors, all other RF and IF outputs connected to VCC, TA = -40C to +85C, unless otherwise noted. Typical values are at VCC = +2.75V and TA = +25C, unless otherwise noted.) PARAMETER Supply Voltage SYMBOL CONDITIONS MIN VCC Operating Supply Current (Note 1) ICC TYP +2.7 High-gain, high-linearity modes PCS band (MAX2322) High-gain, low-linearity paging modes PCS band (MAX2322) Low-gain, high-linearity modes PCS band (MAX2322) MAX UNITS +3.6 V LOX2 = low 20 25.3 LOX2 = high 24 30.8 20 25.3 LOX2 = low 15 19.5 LOX2 = high 19 25 15 19.5 LOX2 = low 17 21.5 LOX2 = high 21 26 17 21.5 14.5 18.5 5 7.5 mA 0.1 20 A Cellular band (MAX2324) Cellular band (MAX2324) Cellular band (MAX2324) FM mode (MAX2324 only) LO Buffer Supply Current ILOBUF Additional current for BUFFEN = high Shutdown Supply Current ISHDN (Note 1) 2.0 mA Digital Input Logic High VIH V Digital Input Logic Low VIL 0.6 V Digital Input Current High IIH 5 A Digital Input Current Low IIL Digital Output Logic High VOH MAX2324 only Digital Output Logic Low VOL MAX2324 only Digital Output Current High IOH MAX2324 only Digital Output Current Low IOL MAX2324 only, VMODEOUT = 2.4V -35 A 1.7 V 0.4 30 V A -100 A DC ELECTRICAL CHARACTERISTICS--MAX2327 (VCC = +2.7V to +3.6V, RRBIAS = RRLNA = 20k, no RF signals applied, BUFFEN = low, LO buffer outputs connected to VCC through 50 resistors, all other RF and IF outputs connected to VCC, TA = -40C to +85C, unless otherwise noted. Typical values are at VCC = +2.75V and TA = +25C, unless otherwise noted.) PARAMETER Supply Voltage SYMBOL CONDITIONS VCC MIN TYP +2.7 High-gain mode MAX UNITS +3.6 V PCS band 15 19.5 Cellular band 15 19.5 14.5 18.5 5 7.5 mA 0.1 20 A Operating Supply Current (Note 1) ICC LO Buffer Supply Current ILOBUF Additional current for BUFFEN = high Shutdown Supply Current ISHDN (Note 1) FM mode 2.0 mA Digital Input Logic High VIH Digital Input Logic Low VIL 0.6 V Digital Input Current High IIH 5 A Digital Input Current Low IIL -35 V A _______________________________________________________________________________________ 3 MAX2320/21/22/24/26/27 DC ELECTRICAL CHARACTERISTICS--MAX2322/MAX2324 MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs AC ELECTRICAL CHARACTERISTICS--MAX2320/MAX2321/MAX2326 (MAX232_ EV kit, VCC = +2.75V, fLNAINH = fMIXINH = 1960MHz, fLNAINL = fMIXINL = 881MHz, fLOLIN = 1091MHz (digital mode), fLOLIN = 991MHz (FM mode), fLOHIN = 1750MHz (MAX2320, MAX2322 with LOX2 = low, MAX2326 with BAND = low, MAX2327), fLLOHIN = 1085MHz (MAX2321 with BAND = low, MAX2322 with LOX2 = high), fLOHIN = 1091MHz (MAX2321 with BAND = high), fLOHIN = 2182MHz (MAX2326 with BAND = high), LO input power = -7dBm (MAX2320/MAX2326), 50 system, TA = +25C, unless otherwise noted.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN -3 TYP +3 MAX UNITS Low-Band RF Frequency Range (Note 3) 800 1000 MHz High-Band RF Frequency Range (Note 3) 1800 2500 MHz Low-Band LO Frequency Range (Note 3) 700 1150 MHz High-Band LO Frequency Range (Note 3) 1600 2300 MHz 50 400 MHz IF Frequency Range (Note 3) LNA PERFORMANCE HIGH-GAIN, HIGH-LINEARITY MODES (Note 1) TA = +25C Gain (Note 4) G TA = -40C to +85C Gain Variation Over Temperature Relative to +25C TA = -40C to +85C 13 14.5 16 Cellular 14 15 16 PCS Cellular 11.5 14.5 17 13 15 16.5 PCS 0.5 Cellular 0.5 1.8 2 2.1 Cellular 1.3 1.4 1.5 NF Input Third-Order Intercept (Notes 5, 6) IIP3 TA = TMIN to TMAX POUT 1dB TA = TMIN to TMAX dB dB PCS Noise Figure (Note 5) Input 1dB Compression PCS PCS 7 +8 Cellular 6 +8 PCS -11 -10 Cellular -11 -10 dB dBm dBm HIGH-GAIN, LOW-LINEARITY PAGING MODES AND FM MODE (Note 1) Gain (Note 4) Gain Variation Over Temperature Relative to +25C Noise Figure (Note 5) 4 G PCS 13.5 Cellular 14.5 TA = -40C to +85C PCS 0.5 Cellular 0.5 dB dB PCS 1.9 2.1 2.2 Cellular 1.4 1.5 1.6 _______________________________________________________________________________________ dB Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs (MAX232_ EV kit, VCC = +2.75V, fLNAINH = fMIXINH = 1960MHz, fLNAINL = fMIXINL = 881MHz, fLOLIN = 1091MHz (digital mode), fLOLIN = 991MHz (FM mode), fLOHIN = 1750MHz (MAX2320, MAX2322 with LOX2 = low, MAX2326 with BAND = low, MAX2327), fLLOHIN = 1085MHz (MAX2321 with BAND = low, MAX2322 with LOX2 = high), fLOHIN = 1091MHz (MAX2321 with BAND = high), fLOHIN = 2182MHz (MAX2326 with BAND = high), LO input power = -7dBm (MAX2320/MAX2326), 50 system, TA = +25C, unless otherwise noted.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN -3 PCS Input Third-Order Intercept (Notes 5, 6) TYP +3 MAX +6.5 Cellular UNITS dBm +6 LOW-GAIN, HIGH-LINEARITY MODES (Note 1) Gain (Note 4) G Gain Variation Over Temperature Relative to +25C PCS -2 Cellular TA = -40C to +85C Noise Figure (Note 5) NF Input Third-Order Intercept (Notes 5, 6) IIP3 dB -1.5 PCS 0.5 Cellular 0.5 dB PCS 5 5.5 6 Cellular 4 4.25 4.5 PCS +10.5 +11.5 +12.5 Cellular +11.5 +12.5 +13.5 dB dBm MIXER PERFORMANCE HIGH-GAIN, HIGH-LINEARITY, AND LOW-GAIN MODES (Note 1) TA = +25C, PCS Gain (Note 4) G TA = -40C to +85C, PCS Without doubler 11 11.8 12.5 13.2 14 10.5 11.1 12 12.9 13.5 Without doubler 10 10.8 12.5 14.3 15.3 With doubler 9.6 10.4 12 13.1 14.3 12 127 13.4 14.0 14.7 11.3 11.9 13.4 15.5 16.5 With doubler TA = +25C, cellular TA = -40C to +85C, cellular Gain Variation Over Temperature Relative to +25C (Note 5) TA = -40C to +85C PCS Noise Figure NF Cellular Input Third-Order Intercept (Notes 5, 6) Input dB Compression IIP3 PCS, TA = TMIN to TMAX PCS 1 Cellular 1 Without doubler 7.5 7.8 8 11 12.3 13.5 Without divider 7.5 8.1 8.5 7.8 8.4 8.8 Without doubler 1.8 2.4 +4 With doubler 1.4 2.8 +4.7 1 1.8 3.2 Cellular, TA = TMIN to TMAX PCS Cellular dB With doubler With divider TA = TMIN to TMAX -11 -10 -12 -10.7 dB dB dBm dBm _______________________________________________________________________________________ 5 MAX2320/21/22/24/26/27 AC ELECTRICAL CHARACTERISTICS (continued) MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs AC ELECTRICAL CHARACTERISTICS (continued) (MAX232_ EV kit, VCC = +2.75V, fLNAINH = fMIXINH = 1960MHz, fLNAINL = fMIXINL = 881MHz, fLOLIN = 1091MHz (digital mode), fLOLIN = 991MHz (FM mode), fLOHIN = 1750MHz (MAX2320, MAX2322 with LOX2 = low, MAX2326 with BAND = low, MAX2327), fLLOHIN = 1085MHz (MAX2321 with BAND = low, MAX2322 with LOX2 = high), fLOHIN = 1091MHz (MAX2321 with BAND = high), fLOHIN = 2182MHz (MAX2326 with BAND = high), LO input power = -7dBm (MAX2320/MAX2326), 50 system, TA = +25C, unless otherwise noted.) (Note 2) PARAMETER SYMBOL CONDITIONS MIN -3 TYP +3 MAX UNITS HIGH-GAIN, LOW-LINEARITY, AND LOW-GAIN MODES (Note 1) PCS Gain (Note 4) G Without doubler 10.6 11.3 12 12.1 12.8 With doubler 10.2 10.8 11.5 12.4 13.1 11.2 12.1 13 13.8 14.7 Cellular Band Gain Variation Over Temperature Relative to +25C TA = -40C to +85C PCS Noise Figure NF Cellular Input Third-Order Intercept PCS IIP3 PCS 1 1 Cellular 1 1 Without doubler 7.2 7.5 7.6 With doubler (Note 7) 10.5 12 13.4 7 7.2 7.6 7.5 7.7 8.1 dB dB Without divider With divider Without doubler dB +1 With doubler +2.2 Cellular dBm +1.0 FM MODE (Note 1) Gain (Note 4) G Noise Figure NF Input Third-Order Intercept (Notes 5, 6) IIP3 TA = +25C 9.7 10.4 11.2 11.9 12.7 TA = -40C to +85C 7.8 9.0 11.2 14.0 15.4 10.6 11.1 11.5 TA = -40C to +85C 2.3 3.2 4.9 dB dB dBm LO BUFFER PERFORMANCE (BUFFEN = HIGH) LO Output Level Load = 100 pullup resistor -12 BUFFEN = GND -44 LO_OUT Even Harmonic Distortion LO Emissions at LNA Input Port Interstage filter rejection = 20dB dBm -31 dBc -50 dBm Note 1: See Tables 1-5 for operational mode selection. Note 2: A total of 36 devices from 3 different wafer lots are used to determine the standard deviation. The lots were selected to represent worst-case process conditions. Note 3: Operation is characterized for the frequencies specified in the conditions; for other frequencies in the band, see Tables 8-12 for LNA and mixer S parameters. Note 4: Guaranteed by design, characterization, and production functional test. Note 5: Guaranteed by design and characterization. Note 6: For cellular band, RF inputs are -25dBm each tone at 881MHz and 882MHz, fLO = 1091MHz. For PCS band, RF inputs are -25dBm each tone at 1960MHz and 1961MHz, fLO = 2170MHz. For IIP3 vs. ICC trade-off, see Typical Operating Characteristics. 6 _______________________________________________________________________________________ Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs MAX2320/21/22/24/26/27 Typical Operating Characteristics (MAX232_ EV kit, VCC = +2.75V, fLNAINH = fMIXINH = 1960MHz, fLNAINL = fMIXINL = 881MHz, fLOHIN = 1750MHz, fLOLIN = 1091MHz (digital modes), fLOLIN = 991MHz (FM mode), LO input power = -7dBm, 50 system, all measurements include matching component losses but not connector and trace losses, TA = +25C, unless otherwise noted.) CELLULAR-BAND SUPPLY CURRENT vs. TEMPERATURE HGLL 10 MAX2320 toc02 CELLULAR-BAND LNA S11 LGHL 15 HGLL 10 5 5 0 0 HGHL HGLL, FM LGHL 50 100 -50 0 50 CELLULAR-BAND LNA S22 PCS-BAND LNA S11 LGHL 100 PCS-BAND LNA S22 MAX2320 toc05 TEMPERATURE (C) MAX2320 toc06 0 TEMPERATURE (C) MAX2320 toc04 HGLL HGHL HGHL HGHL HGLL HGLL, FM LGHL LGHL DIGITAL MIXER DIFFERENTIAL IF PORT IMPEDANCE CELLULAR-BAND MIXER S11 ALL MODES ALL MODES MAX2320 toc09 160 0.80 CAPACITANCE 120 100 0.70 0.60 80 60 RESISTANCE 40 0.50 0.40 20 0 0 0.30 50 100 150 200 250 300 350 400 450 FREQUENCY (MHz) _______________________________________________________________________________________ 7 PARALLEL CAPACITANCE (pF) 140 PARALLEL RESISTANCE (k) PCS-BAND MIXER S11 MAX2320 toc08 -50 MAX2320 toc07 SUPPLY CURRENT (mA) LGHL 15 HGHL 20 SUPPLY CURRENT (mA) HGHL 20 25 MAX2320 toc01 25 MAX2320 toc03 PCS-BAND SUPPLY CURRENT vs. TEMPERATURE Typical Operating Characteristics (continued) (MAX232_ EV kit, VCC = +2.75V, fLNAINH = fMIXINH = 1960MHz, fLNAINL = fMIXINL = 881MHz, fLOHIN = 1750MHz, fLOLIN = 1091MHz (digital modes), fLOLIN = 991MHz (FM mode), LO input power = -7dBm, 50 system, all measurements include matching component losses but not connector and trace losses, TA = +25C, unless otherwise noted.) CELLULAR-BAND HGHL LNA GAIN vs. CURRENT 17 50 0.7 40 RESISTANCE 30 20 0.6 0.5 50 100 150 200 250 300 350 400 450 14 TA = +25C TA = +85C 13 11 11 10 10 4 8 10 12 14 PCS-BAND HGHL LNA GAIN vs. CURRENT CELLULAR-BAND LNA GAIN vs. FREQUENCY MAX2320 toc13 14 VCC = +2.7V TO +3.6V HGHL 12 13 HGHL, FM 8 6 LGHL 0 20 5 LGHL -3 850 870 890 910 1900 1950 2000 LNA CURRENT (mA) FREQUENCY (MHz) FREQUENCY (MHz) CELLULAR-BAND HGHL LNA MAXIMUM AVAILABLE GAIN PCS-BAND HGHL LNA MAXIMUM AVAILABLE GAIN CELLULAR-BAND HGHL LNA IIP3 vs. CURRENT 15 14 13 12 11 17 TA = +85C 9 8 7 16 IIP3 (dBm) 16 10 MAX2320 TOC17 17 18 MAXIMUM AVAILABLE GAIN (dB) MAX2320 TOC16 18 15 14 TA = -40C TA = +25C 6 5 4 3 2 13 1 12 10 700 750 800 850 900 FREQUENCY (MHz) 8 7 -1 -2 15 9 1 11 10 HGLL, FM 3 2 5 HGHL 15 4 10 14 PCS-BAND LNA GAIN vs. FREQUENCY GAIN (dB) 13 9 11 10 GAIN (dB) 14 4 16 LNA CURRENT (mA) 16 12 GAIN (dB) 6 LNA CURRENT (mA) 15 TA = +25C TA = +85C 13 12 FREQUENCY (MHz) 16 14 12 MAX2320toc14 0 15 15 10 0 TA = -40C 16 MAX2320toc15 0.8 60 17 GAIN (dB) 0.9 70 16 GAIN (dB) 80 TA = -40C MAX2320toc18 1.0 CAPACITANCE PARALLEL CAPACITANCE (pF) PARALLEL RESISTANCE (k) 90 MAX2320toc11 MAX2320 toc10 100 PCS-BAND HGHL LNA GAIN vs. CURRENT MAX2320toc12 FM MIXER IF PORT IMPEDANCE MAXIMUM AVAILABLE GAIN (dB) MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs 950 1000 1700 1800 1900 2000 2100 2200 2300 2400 2500 FREQUENCY (MHz) 0 0 5 10 LNA CURRENT (mA) _______________________________________________________________________________________ 15 20 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs PCS-BAND HGHL LNA IIP3 vs. CURRENT VCC = 3.6V 10 VCC = 2.7V 4 2 4 TA = +25C 2 6 4 0 2 -2 0 -4 -2 VCC = 3V VCC = 2.7V 0 -2 -6 -4 6 8 10 12 14 16 -4 4 18 6 8 10 12 14 16 18 4 8 10 12 14 16 LNA CURRENT (mA) LNA CURRENT (mA) PCS-BAND HGHL LNA IIP3 vs. CURRENT CELLULAR-BAND HGHL LNA NOISE FIGURE vs. FREQUENCY CELLULAR-BAND HGLL LNA NOISE FIGURE vs. FREQUENCY 12 11.2mA 1.7 9mA 1.6 NOISE FIGURE (dB) 10 HGHL 8 HGLL 6 4 1.5 7mA 1.4 1.3 1.45 1.40 NOISE FIGURE (dB) LGHL 5.6mA 1.0 -40 -30 -20 1.25 1.10 850 -10 1.30 1.15 1.1 0 1.35 1.20 1.2 2 860 870 880 890 900 910 850 860 870 880 890 900 FREQUENCY (MHz) FREQUENCY (MHz) PCS-BAND HGHL NOISE FIGURE vs. FREQUENCY PCS-BAND HGLL LNA NOISE FIGURE vs. FREQUENCY CELLULAR-BAND HGHL MIXER CONVERSION GAIN vs. CURRENT 5.6mA 1.6 1.5 1.4 1940 1960 1980 FREQUENCY (MHz) 1.85 2000 2020 1.80 1.75 1.70 1.65 1.60 TA = -40C, HIGH SIDE LO 14.5 14.0 CONVERSION GAIN (dB) 1.7 1.90 NOISE FIGURE (dB) 7mA 15.0 MAX2320toc26 1.9 1.8 1.95 MAX2320 toc25 11.2mA 910 MAX2320toc27 LNA CURRENT (mA) 2.0 18 MAX2320toc24 1.8 MAX2320 toc22 14 1920 6 LNA CURRENT (mA) MAX2320toc23 4 IIP3 (dBm) 8 TA = -40C IIP3 (dBm) IIP3 (dBm) IIP3 (dBm) 6 VCC = 3.6V 10 6 VCC = 3V 8 NOISE FIGURE (dB) TA = +85C 8 12 MAX2320toc20 12 10 MAX2320toc19 14 PCS-BAND HGHL LNA IIP3 vs. CURRENT MAX2320toc21 CELLULAR-BAND HGHL LNA IIP3 vs. CURRENT 13.5 13.0 12.5 12.0 TA = -40C, LOW SIDE LO TA = +25C, HIGH SIDE LO TA = +25C, LOW SIDE LO TA = +85C, HIGH SIDE LO TA = +85C, LOW SIDE LO 11.5 1.55 11.0 1.50 10.5 10.0 1.45 1920 1940 1960 1980 FREQUENCY (MHz) 2000 2020 6 11 16 MIXER CURRENT (mA) _______________________________________________________________________________________ 9 MAX2320/21/22/24/26/27 Typical Operating Characteristics (continued) (MAX232_ EV kit, VCC = +2.75V, fLNAINH = fMIXINH = 1960MHz, fLNAINL = fMIXINL = 881MHz, fLOHIN = 1750MHz, fLOLIN = 1091MHz (digital modes), fLOLIN = 991MHz (FM mode), LO input power = -7dBm, 50 system, all measurements include matching component losses but not connector and trace losses, TA = +25C, unless otherwise noted.) Typical Operating Characteristics (continued) (MAX232_ EV kit, VCC = +2.75V, fLNAINH = fMIXINH = 1960MHz, fLNAINL = fMIXINL = 881MHz, fLOHIN = 1750MHz, fLOLIN = 1091MHz (digital modes), fLOLIN = 991MHz (FM mode), LO input power = -7dBm, 50 system, all measurements include matching component losses but not connector and trace losses, TA = +25C, unless otherwise noted.) PCS-BAND HGHL MIXER CONVERSION GAIN vs. CURRENT 12.5 VCC = +2.7V, LOW SIDE LO 12.0 VCC = +3.6V, LOW SIDE LO 12 11 TA = -45C, LOW SIDE LO 10 9 TA = +25C, HIGH SIDE LO TA = +25C, LOW SIDE LO TA = +85C, HIGH SIDE LO TA = +85C, LOW SIDE LO 8 11.5 7 6 11 12.0 11.5 11 16 6 11 16 MIXER CURRENT (mA) MIXER CURRENT (mA) CELLULAR-BAND MIXER CONVERSION GAIN vs. LO INPUT LEVEL PCS-BAND HGHL MIXER CONVERSION GAIN vs. LO INPUT LEVEL CELLULAR-BAND HGHL MIXER CONVERSION GAIN vs. INPUT FREQUENCY 10 HGLL, HIGH SIDE LO 9 FM, LOW SIDE LO FM, HIGH SIDE LO 8 12.0 HGHL, HIGH SIDE LO HGLL, LOW SIDE LO 11.0 HGLL, HIGH SIDE LO 10.5 12 10.0 -20 -15 -10 -5 0 -19 5 8 6 4 0 9.0 6 10 2 9.5 7 MAX2320 toc33 MAX2320toc32 12.5 11.5 14 CONVERSION GAIN (dB) HGHL, HIGH SIDE LO HGLL, LOW SIDE LO 11 HGHL, LOW SIDE LO CONVERSION GAIN (dB) 12 13.0 MAX2320toc31 HGHL, LOW SIDE LO 13 -14 -9 -4 700 6 1 800 900 1000 LO INPUT LEVEL (dBm) LO INPUT LEVEL (dBm) RF INPUT FREQUENCY (MHz) PCS-BAND HGHL MIXER CONVERSION GAIN vs. RF INPUT FREQUENCY CELLULAR-BAND HGHL MIXER IIP3 vs. CURRENT CELLULAR-BAND HGHL MIXER IIP3 vs. CURRENT 12 TA = +85C, TA = +85C, LOW SIDE LO HIGH SIDE LO 6 6 MAX2320 toc36 8 MAX2320 toc34 14 5 4 10 IIP3 (dBm) 4 8 6 TA = +25C, TA = +25C, LOW SIDE LO HIGH SIDE LO TA = -40C, LOW SIDE LO 2 0 4 2 -2 0 -4 1700 1900 2100 2300 RF INPUT FREQUENCY (MHz) 2500 TA = -40C, HIGH SIDE LO IIP (dBm) CONVERSION GAIN (dB) 12.5 MIXER CURRENT (mA) 14 10 13.0 11.0 6 16 VCC = +3.6V TO +2.7V HIGH AND LOW SIDE LO 13.5 6 11.0 MAX2320 toc30 13 CONVERSION GAIN (dB) VCC = +3.0V, VCC = +2.7V, LOW SIDE LO HIGH SIDE LO 14.0 MAX2320 toc35 CONVERSION GAIN (dB) 13.0 TA = -45C, HIGH SIDE LO 14 CONVERSION GAIN (dB) VCC = +3.6V, HIGH SIDE LO VCC = +3.0V, HIGH SIDE LO 13.5 15 MAX2320 toc28 14.0 PCS-BAND HGHL MIXER CONVERSION GAIN vs. CURRENT MAX2320toc29 CELLULAR-BAND HGHL MIXER CONVERSION GAIN vs. CURRENT CONVERSION GAIN (dB) MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs 3 HIGH SIDE/LOW SIDE LO VCC = 2.7V TO 3.6V 2 1 0 -1 -2 6 11 MIXER CURRENT (mA) 16 6 11 MIXER CURRENT (mA) ______________________________________________________________________________________ 16 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs CELLULAR-BAND MIXER IIP3 vs. LO INPUT LEVEL 5 LOW SIDE LO, HGHL 1 LOW SIDE LO, HGLL -1 HIGH SIDE LO, HGLL -2 HIGH SIDE LO, HGHL AND LGHL 3 LOW SIDE LO, LOW SIDE LO, FM HGHL AND LGHL 2 HIGH SIDE LO, HGHL -3 HIGH SIDE LO, HGLL -25 -20 -15 -14 -10 -6 -2 2 6 10 6 11 16 RF INPUT LEVEL PER TONE (dBm) LO INPUT LEVEL (dBm) MIXER CURRENT (mA) PCS-BAND HGHL MIXER IIP3 vs. CURRENT PCS-BAND MIXER IIP3 vs. RF INPUT LEVEL PCS-BAND MIXER IIP3 vs. LO INPUT LEVEL HIGH SIDE LO, 2.7V LOW SIDE LO, 3V 4 IIP3 (dB) HIGH SIDE LO, 3.6V LOW SIDE LO, 3.6V 2 LOW SIDE LO, 2.7V 0 -2 -4 6 11 8 7 6 5 4 3 2 1 0 -1 -2 -3 -4 16 HIGH SIDE LO, HGHL, HIGH SIDE LO, LGHL 8 LOW SIDE LO, LGHL HIGH SIDE LO, LGHL 7 HIGH SIDE LO, HGHL 6 IIP3 (dBm) HIGH SIDE LO, 3V 6 LOW SIDE LO, HGHL 5 LOW SIDE LO, HGHL 4 3 LOW SIDE LO, LGHL LOW SIDE LO, HGLL 2 LOW SIDE LO, HGLL 1 HIGH SIDE LO, HGLL HIGH SIDE LO, HGLL 0 -35 -30 -25 -20 -15 -18 -10 -14 -10 -6 -2 2 6 10 MIXER CURRENT (mA) RF INPUT LEVEL PER TONE (dBm) LO INPUT LEVEL (dBm) CELLULAR-BAND HGHL MIXER NOISE FIGURE vs. LO INPUT LEVEL CELLULAR-BAND HGLL MIXER NOISE FIGURE vs. LO INPUT LEVEL CELLULAR-BAND FM MIXER NOISE FIGURE vs. LO INPUT LEVEL LOW SIDE LO NOISE FIGURE (dB) 10 12 8 HIGH SIDE LO LOW SIDE LO 8 6 4 2 2 HIGH SIDE LO -17 -12 -7 -2 LO INPUT LEVEL (dBm) 3 LO SIDE LO 10 HIGH SIDE LO 8 6 4 2 0 0 14 12 10 4 16 NOISE FIGURE (dB) 12 6 14 MAX2320 toc43 14 MAX2320 toc44 IIP3 (dBm) TA = +25C, LOW SIDE LO TA = -40C, LOW SIDE LO -4 -18 -10 TA = +85C, LOW SIDE LO 2 -2 LOW SIDE LO, HGLL MAX2320 toc41 8 -30 MAX2320 toc40 -35 4 0 0 -5 TA = +25C, HIGH SIDE LO TA = -40C, HIGH SIDE LO 1 -4 NOISE FIGURE (dB) TA = +85C, HIGH SIDE LO 8 MAX2320toc45 0 10 6 4 IIP3 (dBm) IIP3 (dBm) 2 HIGH SIDE LO, FM MAX2320 toc39 3 6 MAX2320toc42 HIGH SIDE LO, LGHL IIP3 (dBm) LOW SIDE LO, LGHL 4 MAX2320toc37 5 PCS-BAND HGHL MIXER IIP3 vs. CURRENT MAX2320 toc38 CELLULAR-BAND MIXER IIP3 vs. RF INPUT LEVEL 0 -17 -12 -7 -2 LO INPUT LEVEL (dBm) 3 -17 -12 -7 -2 3 LO INPUT LEVEL (dBm) ______________________________________________________________________________________ 11 MAX2320/21/22/24/26/27 Typical Operating Characteristics (continued) (MAX232_ EV kit, VCC = +2.75V, fLNAINH = fMIXINH = 1960MHz, fLNAINL = fMIXINL = 881MHz, fLOHIN = 1750MHz, fLOLIN = 1091MHz (digital modes), fLOLIN = 991MHz (FM mode), LO input power = -7dBm, 50 system, all measurements include matching component losses but not connector and trace losses, TA = +25C, unless otherwise noted.) Typical Operating Characteristics (continued) (MAX232_ EV kit, VCC = +2.75V, fLNAINH = fMIXINH = 1960MHz, fLNAINL = fMIXINL = 881MHz, fLOHIN = 1750MHz, fLOLIN = 1091MHz (digital modes), fLOLIN = 991MHz (FM mode), LO input power = -7dBm, 50 system, all measurements include matching component losses but not connector and trace losses, TA = +25C, unless otherwise noted.) PCS-BAND HGLL MIXER NOISE FIGURE vs. LO INPUT LEVEL 10 NOISE FIGURE (dB) HIGH SIDE LO 8 6 12 LOW SIDE LO 10 HIGH SIDE LO 8 6 LOW SIDE LO 4 4 -5 OUTPUT LEVEL (dBm) 12 0 MAX2320 toc47 14 MAX2320 toc46 14 CELLULAR-BAND LO BUFFER OUTPUT LEVEL vs. INPUT LEVEL MAX2320 toc48 PCS-BAND HGHL MIXER NOISE FIGURE vs. LO INPUT LEVEL NOISE FIGURE (dB) -10 -15 TA = -45C TO +85C HIGH SIDE AND LOW SIDE LO -20 2 2 0 0 -17 -12 -7 -2 -25 -17 3 -12 -7 -2 CELLULAR-BAND 2ND AND 3RD HARMONICS vs. LO INPUT POWER 0 -5 3RD HARMONIC OUTPUT LEVEL (dBm) -20 -30 -40 -10 2ND HARMONIC -50 -10 -15 TA = -45C TO +85C HIGH SIDE AND LOW SIDE LO -20 -60 -70 -25 -20 0 10 0 10 PCS-BAND 2ND AND 3RD HARMONICS LO BUFFER OUTPUT vs. INPUT LEVEL PCS-BAND MIXER 2 x 2 SPURIOUS REJECTION -20 2ND HARMONIC -40 -50 3RD HARMONIC MAX2320toc52 -55 -57 2 x 2 SPURIOUS OUTPUT (dBc) fLO = 1750MHz -60 -59 -61 HGLL, WITHOUT LO DOUBLER -63 -65 -67 HGHL, WITHOUT LO DOUBLER -69 -71 -73 -70 -75 -20 -10 0 LO INPUT LEVEL (dB) 12 -10 LO INPUT LEVEL (dBm) -10 -30 -20 LO INPUT LEVEL (dB) MAX2320 toc51 0 -10 10 80 0 LO INPUT LEVEL (dBm) MAX2320 toc50 fLO = 1091MHz -10 HARMONIC POWER (dBm) -20 PCS-BAND LO BUFFER OUTPUT LEVEL vs. INPUT LEVEL MAX2320 toc49 0 3 LO INPUT LEVEL (dBm) LO INPUT LEVEL (dBm) HARMONIC POWER (dBm) MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs 90 100 110 120 IF OUTPUT FREQUENCY (MHz) ______________________________________________________________________________________ 10 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs PIN MAX2320 MAX2321 MAX2326 MAX2322 MAX2324 MAX2327 1 1 -- 1 LNAOUTH High-Band LNA Output. Connect a pull-up inductor to VCC and an external series capacitor as part of the matching network. 2 -- 2 2 LNAOUTL Low-Band LNA Output. Connect a pull-up inductor to VCC and an external series capacitor as part of the matching network. NAME FUNCTION 3 3 3 -- RLNA LNA Bias-Setting Resistor Connection. For nominal bias, connect a 20k resistor to ground. The resistor value controls the LNA's linearity in high-gain, high-linearity modes. 4 4 -- 4 LNAINH High-Band RF Input. Requires a blocking capacitor and a matching network. The capacitor may be used as part of the matching network. -- -- 4 -- MODEOUT Logic Output. Indicates mode of operation. VMODEOUT = high in FM mode. 5 -- 5 5 LNAINL Low-Band RF Input. Requires a blocking capacitor and a matching network. The capacitor may be used as part of the matching network. -- 6 6 7 SHDN Shutdown Logic Input. See Detailed Description for control modes. 6 -- -- 6 BAND Band-Select Logic Input. See Detailed Description for control modes. 7 7 7 -- LIN 8 8 8 -- GAIN Gain-Select Logic Input. See Detailed Description for control modes. -- -- -- 8 MODE Cellular-Band Mode Select Logic Input. See Detailed Description for control modes. 9 -- 9 9 LOLIN Low-Frequency LO Input. Used in FM mode on all parts and in cellular digital mode for MAX2320/MAX2324. LOHIN High-Frequency LO Input. For MAX2321, used in cellular digital mode and in PCS mode with the doubler active. For MAX2320/MAX2327, used in PCS mode without the doubler. For MAX2322, used with or without the doubler. For MAX2326, used in PCS mode and cellular digital mode with the divide-by-two. 10 10 -- 10 Linearity-Select Logic Input. See Detailed Description for control modes. ______________________________________________________________________________________ 13 MAX2320/21/22/24/26/27 Pin Description Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs MAX2320/21/22/24/26/27 Pin Description (continued) PIN MAX2320 MAX2321 MAX2326 11 11 MAX2324 -- MAX2327 11 NAME FUNCTION LOHOUT High-Frequency LO Buffer Output. Open-collector output requires pull-up inductor or pull-up resistor of 100 or less. Reactive match to the load delivers maximum power. 12 -- 12 12 LOLOUT Low-Frequency LO Buffer Output. Open-collector output requires pull-up inductor or pull-up resistor of 100 or less. Reactive match to the load delivers maximum power. 13 -- 13 13 FMOUT FM Mixer Output. Requires a pull-up inductor to VCC and a series capacitor as part of the matching network. -- 13 -- -- LOX2 14 14 14 14 VCC Power Supply. Bypass with a 1000pF capacitor as close to the pin as possible. LO Doubler Logic Input. Drive LOX2 high to enable the LO doubler. 15 15 15 15 BUFFEN LO Output Buffer Enable. The LO buffers are controlled separately from the rest of the IC. Drive BUFFEN high to power up the LO output buffer associated with the selected LO input port. 16, 17 16, 17 16, 17 -- CDMA-, CDMA+ CDMA Mixer Differential Outputs. Require pullup inductors and series capacitors as part of the matching network. -- -- -- 16, 17 IFOUT+, IFOUT- Mixer Differential Outputs. Require pull-up inductors and series capacitors as part of the matching network. 18 19 14 MAX2322 PIN 18 -- 18 19 18 19 RBIAS Bias-Setting Resistor Connection. For nominal bias, connect 20k resistor to ground. The resistor value controls the digital LNA's linearity in low-gain, digital, or FM mode, and controls the mixers in all modes. MIXINL Low-Band Mixer Input. Requires a blocking capacitor and a matching network. The capacitor may be used as part of the matching network. 20 20 -- 20 MIXINH High-Band Mixer Input. Requires a blocking capacitor and a matching network. The capacitor may be used as part of the matching network. -- 2, 5, 9, 12, 19 1, 10, 11, 20 3 N.C. No Connection. Do not make any connection to these pins. Slug Slug Slug Slug GND Ground Reference for RF, DC, and Logic Inputs. Solder the slug evenly to the board ground plane. ______________________________________________________________________________________ Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs Low-Noise Amplifier Within its operating bands, each device in the MAX2320 family (except the MAX2327) has three modes of LNA operation: high gain, high linearity (HGHL); high gain, low linearity (HGLL); and low gain, high linearity (LGHL). The logic inputs control the LNA mode as described in the AC Electrical Characteristics. Use HGHL mode when extra-high LNA linearity is required for cross-modulation suppression. Use HGLL mode when the transmitter is off and cross-modulation is not a concern. When the LNA changes modes, the input VSWR change is minimal. Use LGHL mode for receiving large signals and when high sensitivity is not required. The MAX2327 LNA has only an HGLL mode. Adjust the HGHL mode LNA linearity by changing R RLNA , and adjust linearity of the other modes by changing RRBIAS. Downconverter The downconverters in these devices are double-balanced mixers. The PCS-band mixer and digital cellularband mixer share the same IF output ports. The cellular band FM mixer has its own IF output to feed a different filter. Adjust the downconverter linearity and current by changing RRBIAS (see Typical Operating Characteristics). When the linearity requirement is high, the mode control inputs increase the current in the downconverter. When the linearity requirement is not high, the current is lower. LO Output Buffers The BUFFEN logic input turns the open-collector LO output buffers on and off. This feature saves current if the buffers are not required. Operational Modes Each device has logic input pins that control the different operational modes listed in Tables 1-5. MAX2320/MAX2321/MAX2326 Operation The MAX2320/MAX2321/MAX2326 are dual-band, triplemode receivers that amplify and downconvert cellularand PCS-band signals. They consist of cellular and PCS LNAs; cellular digital, cellular FM, and PCS digital mixers; and cellular and PCS LO buffers. The MAX2321 has an LO frequency doubler on-chip, so a single cellularband VCO can be used for both the cellular- and PCSband mixers. Selecting the PCS path activates the LO frequency doubler. The MAX2326 has an LO divide-bytwo circuit, so a single PCS-band VCO can be used for both the cellular and PCS mixers. Selecting the cellular path activates the LO divide-by-two circuit. Three logic input pins--BAND, GAIN, and LIN--control eight operational modes of the LNAs and mixers. The modes are summarized in Table 1. Table 1. MAX2320/MAX2321/MAX2326 Operational Modes DESCRIPTION BAND GAIN LIN Shutdown. The entire part is shut down except for the LO buffer, which is controlled by BUFFEN. L L L Low-Gain, High-Linearity (LGHL) PCS Mode. The PCS LNA and mixer are in LGHL mode. L L H High-Gain, Low-Linearity (HGLL) PCS Mode. The LNA and mixer are in HGLL mode. L H L High-Gain, High-Linearity (HGHL) PCS Mode. The LNA and mixer are in HGHL mode. L H H High-Gain, Low-Linearity (HGLL) Cellular FM Mode. The cellular LNA is in HGLL mode. The FM mixer and associated LO buffer are selected. H L L Low-Gain, High-Linearity (LGHL) Cellular Digital Mode. The cellular LNA and mixer are in LGHL mode. H L H High-Gain, Low-Linearity (HGLL) Cellular Digital Mode. The cellular LNA and mixer are in HGLL mode. H H L High-Gain, High-Linearity (HGHL ) Cellular Digital Mode. The cellular LNA and mixer are in HGHL mode. H H H Note: L = Logic Low; H = Logic High ______________________________________________________________________________________ 15 MAX2320/21/22/24/26/27 Detailed Description MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs MAX2322 Operation The MAX2322 is a lower-cost PCS-only version that can be installed as a drop-in replacement for the dual-band versions. It consists of a PCS LNA, PCS mixer, pinselectable LO frequency doubler, and LO buffer. Logic input SHDN = V CC / GND turns on/off the entire IC except the LO buffer. The LOX2 logic input controls the LO frequency doubler. LOX2 = GND disables the doubler when using a PCS band VCO, and LOX2 = VCC activates the doubler when using a cellular-band VCO. GAIN and LIN logic inputs control the MAX2322's three operational modes, as summarized in Table 2. MAX2324 Operation The MAX2324 is a lower-cost cellular-only version that can be installed as a drop-in replacement for the dualband versions. It consists of a cellular LNA, cellular digital mixer, cellular FM mixer, and LO buffer. A SHDN logic input turns on/off the entire IC except the LO buffer. GAIN and LIN logic inputs control the MAX2324's three operational modes, as summarized in Table 3. MAX2327 Operation The MAX2327 is similar to the MAX2320 except it only features an HGLL mode, and either LO output buffer is selectable during shutdown. It consists of PCS and cellular LNAs; PCS, cellular digital, and cellular FM mixers; and PCS and cellular LO buffers. A SHDN logic input turns on/off the entire IC except the LO buffer. BAND and MODE logic inputs control the MAX2327's three operational modes, as summarized in Table 4. Applications Information Cascaded LNA/Mixer Performance The LNA and mixer design aims at optimizing cascaded performance in all gain and linearity modes. In highgain, high-linearity mode, both the LNA and mixer have a low noise figure, high gain, and high linearity. The LNA has high gain to minimize the noise contribution of the mixer, thus increasing the receiver's sensitivity and extra-high linearity for superior cross-modulation suppression. The HGLL mode is used when the transmitter is off and cross-modulation is not a concern. In lowgain, high-linearity mode, the received signal is strong enough that linearity is the primary concern. The LNA gain is reduced for higher system linearity. Tables 5 and 6 summarize the cascaded performance. S Parameters The S parameters are listed in Tables 7-11. An electronic copy is also available at www.maxim-ic.com /MAX2320/S_table/. 16 Table 2. MAX2322 Operational Modes GAIN LIN Not used. OPERATIONAL MODE L L Low-Gain, High-Linearity (LGHL) PCS Mode. The LNA and mixer are in LGHL mode. L H High-Gain, Low-Linearity (HGLL) PCS Mode. The LNA and mixer are in HGLL mode. H L High-Gain, High-Linearity (HGHL) PCS Mode. The LNA and mixer are in HGHL mode. H H Note: L = Logic Low; H = Logic High Table 3. MAX2324 Operational Modes OPERATIONAL MODE GAIN LIN FM Mode. The LNA is in HGLL mode. The FM mixer and the associated LO buffer are selected. L L Low-Gain, High-Linearity (LGHL) Cellular Mode. The LNA and digital mixer are in LGHL mode. L H High-Gain, Low-Linearity (HGLL ) Cellular Mode. The LNA and digital mixer are in HGLL mode. H L High-Gain, High-Linearity (HGHL ) Cellular Mode. The LNA and digital mixer are in HGHL mode. H H Note: L = Logic Low; H = Logic High Table 4. MAX2327 Operational Modes BAND MODE Not used. L L Digital PCS Mode. The LNA and mixer are in HGLL mode. L H FM Mode. The cellular FM mixer is selected. H L Digital Cellular Mode. The cellular digital mixer is selected. H H OPERATIONAL MODE Note: L = Logic Low; H = Logic High ______________________________________________________________________________________ Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs noise figure. At the digital mixer outputs, keep the differential signal lines together and of equal length to ensure signal balance. For best gain and noise performance, solder the slug evenly to the board ground plane. Table 5. Typical Cascaded Performance of Cellular-Band Receiver with 3dB Interstage Filter Loss HIGH GAIN, HIGH LINEARITY HIGH GAIN, LOW LINEARITY Conversion Power Gain 25.4dB Noise Figure 2.1dB -8.9dBm PARAMETER Third-Order Input Intercept LOW GAIN, HIGH LINEARITY FM 24.5dB 8.9dB 22.7dB 2.3dB 11.8dB 3.3dB -10.6dBm -6.8dBm -6.8dBm Table 6. Typical Cascaded Performance of PCS-Band Receiver with 3dB Interstage Filter Loss HIGH GAIN, HIGH LINEARITY HIGH GAIN, LOW LINEARITY LOW GAIN Conversion Power Gain 24dB 22.5dB 7.5dB Noise Figure 2.6dB 3.0dB 12.4dB -7.6dBm -9.3dBm 7.1dBm PARAMETER Third-Order Input Intercept Table 7. Cellular LNA S Parameters in High-Gain, High-Linearity Mode FREQUENCY (MHz) S11 (mag) S11 (phase) S21 (mag) S21 (phase) S12 (mag) S12 (phase) S22 (mag) S22 (phase) 700 0.579 -74.8 4.63 92.1 0.085 60.9 0.714 -34.7 750 0.548 -78.4 4.39 87.9 0.089 60.6 0.696 -35.9 800 0.534 -81.2 4.13 84.4 0.0908 60 0.689 -36.6 850 0.52 -83.7 3.88 81.9 0.096 60.1 0.683 -37.6 900 0.51 -86.1 3.7 79.4 0.099 58.8 0.677 -38.3 950 0.503 -88.5 3.5 76.6 0.104 58.3 0.674 -39.3 1000 0.496 -90.6 3.3 74.9 0.109 59.1 0.669 -40.8 ______________________________________________________________________________________ 17 MAX2320/21/22/24/26/27 Layout Considerations Keep RF signal lines as short as possible to minimize losses and radiation. Use high-Q components for the LNA input matching circuit to achieve the lowest possible MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs Table 8. PCS LNA S Parameters in High-Gain, High-Linearity Mode FREQUENCY (MHz) S11 (mag) S11 (phase) S21 (mag) S21 (phase) S12 (mag) S12 (phase) S22 (mag) S22 (phase) 1700 0.46 -112 4.22 86 0.077 77 0.64 -51 1750 0.446 -113 4.07 88 0.082 77 0.64 -52 1800 0.44 -113 4.18 88 0.086 76 0.643 -52 1850 0.439 -113 4.23 84 0.09 77 0.657 -53 1900 0.434 -114 3.9 82 0.093 72 0.68 -55 1950 0.43 -115 3.82 84 0.09 75 0.673 -57 2000 0.423 -116 3.85 83 0.094 76 0.681 -58 2050 0.407 -115 3.82 83 0.098 76 0.69 -59 2100 0.391 -112 3.82 81 0.103 74 0.7 -61 2150 0.405 -106 3.68 79 0.101 71 0.695 -63 2200 0.467 -104 3.56 81 0.093 73 0.677 -64 2250 0.503 -107 3.67 82 0.094 79 0.683 -63 2300 0.525 -110 3.83 81 0.099 82 0.705 -64 2350 0.54 -112 3.88 78 0.1 86 0.727 -66 2400 0.55 -113 3.9 75 0.106 93 0.739 -67 2450 0.571 -113 3.79 73 0.126 99 0.754 -69 2500 0.614 -113 3.78 74 0.158 100 0.769 -71 Table 9. Cellular Mixer S11 in High-Gain, High-Linearity Mode 18 FREQUENCY (MHz) S11 (mag) S11 (phase) 700 0.853 -35.8 750 0.849 -38 800 0.846 -40.2 850 0.844 -42.2 900 0.843 -44.1 950 0.842 -46.3 1000 0.842 -48.5 ______________________________________________________________________________________ Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs MAX2320/21/22/24/26/27 Table 10. PCS Mixer S11 in High-Gain High-Linearity Mode FREQUENCY (MHz) S11 (mag) S11 (phase) 1700 0.865 -62 1750 0.864 -63 1800 0.865 -64 1850 0.867 -64 1900 0.863 -65 1950 0.862 -65 2000 0.861 -66 2050 0.879 -67 2100 0.86 -68 2150 0.858 -68 2200 0.854 -69 2250 0.85 -71 2300 0.845 -72 2350 0.838 -74 2400 0.83 -76 2450 0.825 -78 2500 0.805 -82 Table 11. Mixer IF Port S22 DIGITAL MIXER FREQUENCY (MHz) S22 (mag) S22 (phase) 50 0.999 -1.10 100 0.999 110 0.999 130 FM MIXER FREQUENCY (MHz) S22 (mag) S22 (phase) 50 0.999 -1.69 -2.26 70 0.998 -2.38 -2.46 85 0.998 -2.92 0.998 -2.89 100 0.997 -3.38 150 0.998 -3.35 110 0.997 -3.71 200 0.998 -4.45 150 0.996 -4.97 210 0.998 -4.67 200 0.995 -6.49 250 0.997 -5.48 250 0.995 -7.82 300 0.997 -6.48 300 0.994 -9.06 350 0.996 -7.47 350 0.993 -10.28 400 0.996 -8.36 400 0.992 -11.40 ______________________________________________________________________________________ 19 Typical Application Circuits MAX2320 (DUAL BAND, DUAL VCO INPUTS, AND DUAL IF OUTPUTS) C19 2.7pF 869MHz-894MHz C17 6800pF 4.7nH 1930MHz-1990MHz R11 30 C14 1.5pF C1 100pF R1 20k L2 6.8nH 1 LNAOUTH 2 LNAOUTL 3 RLNA MAX2320 4 LNAINH VCC MIXINH 20 MIXINL 19 C13 0.01F RBIAS 18 PCS DUPLEXER 6800pF 1pF CELLULAR DUPLEXER 6800pF KEY FEATURES: TWO LO INPUT PORTS FOR SEPARATE VCOs, TWO LO BUFFER OUTPUT PORTS. L6 5.6nH L1 1.8nH C2 100pF NOTE: THE MAX2320 IS RECOMMENDED FOR HANDSETS THAT OPERATE IN THREE MODES: PCS-BAND CDMA, CELLULAR-BAND CDMA, AND CELLULAR-BAND FM. C15 6800pF C18 1pF VCC CDMA+ 17 L4 110nH R5 20k L5 110nH C12 3.3pF 1.65nH R4 2k 3.85nH C11 3.3pF CDMA- 16 5 TO VGA 210MHz LNAINL VCC 3.3pF CELLULAR LO 6 LOGIC INPUTS FROM CELLULAR PA DIPLEXER FROM PCS PA MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs C3 100pF BUFFEN 15 LOGIC INPUT VCC 14 7 LIN 8 GAIN FMOUT 13 9 LOLIN LOLOUT 12 L3 560nH C9 1000pF R6 7.5k C8 4.7pF FM TO VGA 10 LOHIN LOHOUT 11 85MHz C7 100pF 51 R2 51 20 C10 1000pF R3 C4 22pF PCS LO BAND VCC C5 100pF BUFFERED LO OUTPUTS C6 22pF ______________________________________________________________________________________ Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs MAX2321 (DUAL BAND, DUAL VCO INPUTS, LO DOUBLER, DUAL IF OUTPUTS, AND LO BUFFER) C19 869MHz-894MHz 2.7pF C17 6800pF 4.7nH 4.7nH NOTE: THE MAX2321 IS RECOMMENDED FOR TRIPLE-MODE PHONES. C18 1pF VCC KEY FEATURE: LO DOUBLER FOR SINGLE VCO OPERATION. 1930MHz-1990MHz R11 30 C14 1.5pF L6 5.6nH L1 1.8nH C1 100pF R1 20k L2 6.8nH C2 100pF C15 6800pF 1 LNAOUTH 2 LNAOUTL 3 MAX2321 MIXINH 20 MIXINL 19 6800pF 1pF CELLULAR DUPLEXER 6800pF RLNA 3.85nH C12 3.9pF 184MHz C11 3.9pF CDMA- 16 5 LNAINL 6 BAND TO VGA VCC LOGIC INPUTS FROM CELLULAR PA FROM PCS PA CDMA+ 17 L5 120nH R4 2k C3 100pF CELLULAR LO LNAINH L4 120nH R5 20k 1.65nH 3.3pF DIPLEXER C13 0.01F RBIAS 18 PCS DUPLEXER 4 VCC C4 100pF 7 BUFFEN 15 LOGIC INPUT VCC 14 LIN C10 1000pF x2 8 GAIN FMOUT 13 9 LOLIN LOLOUT 12 10 LOHIN LOHOUT 11 C7 100pF R2 51 VCC R2 51 L3 270nH C5 100pF C9 1000pF R6 7.5k C8 2.2pF BUFFERED LO OUTPUTS FM TO VGA 184MHz C6 22pF ______________________________________________________________________________________ 21 MAX2320/21/22/24/26/27 Typical Application Circuits (continued) Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs MAX2320/21/22/24/26/27 Typical Application Circuits (continued) MAX2322 (PCS BAND, SINGLE MODE WITH OPTIONAL FREQUENCY DOUBLER) C16 1pF C14 6800pF L6 5.6nH VCC C13 1.5pF 1930MHz-1990MHz R11 30 VCC L1 1.8nH C1 100pF NOTE: THE MAX2322 IS RECOMMENDED FOR PCS SINGLE-BAND PHONES. R1 20k 1 LNAOUTH 2 N.C. 3 RLNA 4 LNAINH MAX2322 MIXINH 20 N.C. 19 RBIAS 18 R4 20k R3 2k 5 N.C. CDMA- 16 6 SHDN BUFFEN 15 7 LIN 8 GAIN 9 N.C. 210MHz LOGIC INPUT LOX2 13 C8 1000pF LOGIC INPUT N.C. 12 C6 22pF LOHOUT 11 VCC R2 51 22 VCC C4 100pF 10 LOHIN TO VGA C10 3.3pF VCC 14 x2 PCS OR CELLULAR LO C11 3.3pF CDMA+ 17 1.65nH LOGIC INPUTS FROM PCS PA 6800pF 1pF L5 110nH L4 110nH PCS DUPLEXER C12 0.01F BUFFERED LO OUTPUT C5 100pF ______________________________________________________________________________________ Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs MAX2324 (CELLULAR BAND, DUAL IF OUTPUTS) C15 869MHz-894MHz 2.7pF C14 6800pF NOTE: THE MAX2324 IS RECOMMENDED FOR DUAL-MODE (CDMA/FM) PHONES IN THE CELLULAR BAND. 4.7nH VCC R11 30 L1 6.8nH R1 20k C1 100pF LOGIC OUTPUT CELLULAR DUPLEXER 6800pF 1 N.C. 2 LNAOUTL 3 4 RLNA MODEOUT MAX2324 VCC N.C. 20 MIXINL 19 C12 0.01F RBIAS 18 CDMA+ 17 R5 20k L4 270nH L5 270nH R4 2k 3.85nH 6 LOGIC INPUTS FROM CELLULAR PA TO VGA 85MHz LNAINL VCC 3.3pF C3 100pF CELLULAR LO C10 8.2pF CDMA- 16 5 C11 8.2pF SHDN BUFFEN 15 LOGIC INPUT VCC 14 7 LIN 8 GAIN FMOUT 13 9 LOLIN LOLOUT 12 C9 1000pF C8 1000pF L3 560nH R6 7.5k C8 4.7pF FM TO VGA C6 100pF 10 N.C. N.C. 11 R3 51 BUFFERED LO OUTPUT 85MHz VCC C4 100pF ______________________________________________________________________________________ 23 MAX2320/21/22/24/26/27 Typical Application Circuits (continued) Typical Application Circuits (continued) MAX2326 (DUAL BAND, DUAL VCO INPUTS, AND DUAL IF OUTPUTS WITH LO DIVIDER) 869MHz-894MHz C19 2.7pF C17 6800pF NOTE: THE MAX2326 IS RECOMMENDED FOR DUAL-BAND, TRIPLE-MODE PHONES. 4.7nH C15 6800pF C18 1pF VCC R11 30 L6 5.6nH L1 1.8nH L2 6.8nH C1 100pF R1 20k C2 100pF PCS DUPLEXER 1 LNAOUTH 2 LNAOUTL 3 4 1.65nH 1pF 6800pF CELLULAR DUPLEXER 3.85nH 6800pF 5 FROM CELLULAR PA AMPS LO PCS LO LOGIC INPUTS 3.3pF DIPLEXER KEY FEATURES: TWO LO INPUT/OUTPUT PORTS FOR SEPARATE VCOs, A FREQUENCY DIVIDER TO ALLOW THE USE OF A PCS VCO FOR BOTH BANDS. C14 1.5pF 1930MHz-1990MHz FROM PCS PA MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs C3 100pF C4 22pF VCC MAX2326 MIXINH 20 MIXINL 19 C13 0.01F RBIAS 18 RLNA LNAINH CDMA+ 17 L5 120nH R4 2k BAND 7 LIN 8 GAIN 9 LOLIN 10 LOHIN TO VGA 184MHz LNAINL 6 C12 3.9pF C11 3.9pF CDMA- 16 VCC BUFFEN 15 LOGIC INPUT VCC 14 /2 C10 1000pF C9 1000pF L3 270nH R6 7.5k C8 2.2pF FM FMOUT 13 TO VGA LOLOUT /2 LOHOUT 11 184MHz C7 100pF R3 51 VCC R2 51 24 L4 120nH R5 20k C5 100pF BUFFERED LO OUTPUTS C6 22pF ______________________________________________________________________________________ Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs MAX2327 (DUAL BAND, DUAL VCO INPUTS, AND SEPARATELY CONTROLLED VCO BUFFERS) C17 869MHz-894MHz 2.7pF C15 6800pF 4.7nH C16 1pF VCC 1930MHz-1990MHz C14 6800pF 1.5pF NOTE: THE MAX2327 IS RECOMMENDED FOR DUAL-BAND, TRIPLE-MODE PHONES WITH TDMA IN THE DIGITAL MODES, e.g., PCS1900 + AMPS. L6 5.6nH KEY FEATURES: TWO LO INPUT/OUTPUT PORTS FOR SEPARATE VCOs, SEPARATELY CONTROLLED VCO BUFFERS. R11 30 VCC L1 1.8nH C1 100pF L2 6.8nH C2 100pF PCS SWITCH 6800pF 1 LNAOUTH 2 LNAOUTL 3 1.65nH 4 N.C. LNAINH MAX2327 MIXINH 20 MIXINL 19 IFOUT+ 17 1pF LOGIC INPUTS FROM CELLULAR PA FROM PCS PA 3.85nH 3.3pF DIPLEXER C3 100pF AMPS LO C4 100pF PCS1900 LO L4 56nH R5 20k L5 56nH C11 1.5pF IFOUT- 16 5 LNAINL 6 BAND C12 1.5pF PCS1900 R4 2k CELLULAR DUPLEXER 6800pF C13 0.01F RBIAS 18 400MHz VCC BUFFEN 15 7 SHDN VCC 14 8 MODE FMOUT 13 9 LOLIN LOLOUT 12 LOGIC INPUT TO VGA C10 1000pF L3 560nH C9 1000pF R6 7.5k C8 4.7pF FM TO VGA 10 LOHIN LOHOUT 11 83MHz C7 100pF R3 51 VCC R2 51 C5 100pF BUFFERED LO OUTPUTS C6 22pF ______________________________________________________________________________________ 25 MAX2320/21/22/24/26/27 Typical Application Circuits (continued) Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs MAX2320/21/22/24/26/27 Pin Configurations (continued) TOP VIEW LNAOUTH 1 20 MIXINH N.C. 2 19 N.C. RLNA 3 MAX2322 SHDN 6 LIN 7 20 N.C. LNAOUTL 2 18 RBIAS LNAINH 4 N.C. 5 N.C. 1 19 MIXINL RLNA 3 17 CDMA+ MODEOUT 4 16 CDMA- LNAINL 5 15 BUFFEN SHDN 6 14 VCC 18 RBIAS 17 CDMA+ MAX2324 16 CDMA15 BUFFEN LIN 7 14 VCC GAIN 8 13 LOX2 GAIN 8 13 FMOUT N.C. 9 12 N.C. LOLIN 9 12 LOLOUT LOHIN 10 11 LOHOUT N.C. 10 TSSOP 11 N.C. TSSOP LNAOUTH 1 20 MIXINH LNAOUTL 2 19 MIXINL 18 RBIAS N.C. 3 17 IFOUT+ LNAINH 4 LNAINL 5 MAX2327 16 IFOUT- BAND 6 15 BUFFEN SHDN 7 14 VCC MODE 8 13 FMOUT LOLIN 9 12 LOLOUT LOHIN 10 11 LOHOUT TSSOP Chip Information TRANSISTOR COUNT: 1315 26 ______________________________________________________________________________________ Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs TSSOP.EPS ______________________________________________________________________________________ 27 MAX2320/21/22/24/26/27 Package Information MAX2320/21/22/24/26/27 Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs NOTES 28 ______________________________________________________________________________________