MAX2323ETI+ - Maxim Integrated Products, Inc.

________________General Description

The MAX2323/MAX2325 are low-noise amplifier (LNA)

plus mixer ICs optimized for code-division multiple-access

(CDMA) applications in both cellular and PCS bands. The

MAX2323 addresses dual-band, triple-mode CDMA appli-

cations by providing switched signal paths for cellular FM,

cellular CDMA, and PCS CDMA. The MAX2325 is a cellu-

lar-band dual-mode version.

To optimize cellular-band dynamic range at minimum cur-

rent, the MAX2323/MAX2325 implement four LNA states:

high gain/high linearity, high gain/low linearity, midgain,

and low gain. In high-gain/high-linearity mode, the

adjustable high-intercept LNA minimizes desensitization in

the presence of a large interfering signal. For the other

gain states, the LNA current is reduced to improve stand-

by time.

The CDMA mixers are designed for high linearity, low

noise, and differential IF outputs, while the FM mixer is

designed for lower current and single-ended output. Each

band is implemented with a separate mixer to optimize

performance for the specific band.

The MAX2323/MAX2325 can also be used in TDMA,

EDGE, and W-CDMA phones.

________________________Applications

Dual-Band, Triple-Mode PCS/Cellular Phones

Dual-Mode Cellular Phones

____________________________Features

♦2.7V Operation

♦Dual Band, Triple Mode

♦Three LNA Gain Settings (Cellular)

♦Two LNA Gain Settings (PCS)

♦18mA in Low-Gain Mode

19.5mA in Paging and Midgain Mode

26.5mA in High-Gain, High-Linearity Mode

16.5mA in FM Mode, High-Gain, Low-Linearity

Mode

♦2.5dB (typ) Cascade Noise Figure

♦Adjustable LNA IIP3, +5dBm to +13dBm

♦Ultra-Small 28-Pin Package (5mm x 5mm)

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

________________________________________________________________ Maxim Integrated Products 1

19-1736; Rev 0; 7/00

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.

Pin Configuration/

Functional Diagram

Typical Application Circuits appear at end of data sheet.

MAX2323

2526

28 22

2324

8910 11 12 13 14

MODE.

GND

LOLIN

LOHIN

GND

CMIXIN

CLNAOU

GND

PLNAOU

GND

PMIXIN

GND

CLNAIN

SLEEP

PLNAIN

RLNA

CDMA-

GND

BAND

VCC

FMOUT

CDMA+

RBIAS

QFN

TOP VIEW

PART TEMP. RANGE PIN- PACKAGE

MAX2323EGI -40°C to +85°C 28 QFN

MAX2325EGI -40°C to +85°C 28 QFN

MAX2323EVKIT -40°C to +85°C 28 QFN

Ordering Information

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

2 _______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

(VCC = +2.7V to +3.6V, RRBIAS = 20kΩ, RRLNA = 24kΩ, TA= -40°C to +85°C, no RF applied. Typical values are VCC = 2.75V and

TA= +25°C, unless otherwise noted.)

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.

VCC to GND ...............................................................0.3V, +4.3V

Digital Input Voltage to GND......................-0.3V to (VCC + 0.3V)

LNA Input Level .....................................................................1Vp

LO, Mixer Input Levels .....................................................+5dBm

Digital Input Current .........................................................±10mA

Continuous Power Dissipation (TA= +70°C)

28-Pin QFN (derate 28.5mW/°C

above TA= +70°C) ...................................................2000mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) ................................ +300°C

PARAMETER CONDITIONS MIN TYP MAX UNITS

PCS CDMA MODE (MAX2323)

Midgain mode 20.5 24

High-gain, low-linearity idle mode 22 25.5Operating Supply Current

High-gain, high-linearity mode 25.5 30

CELLULAR CDMA MODE (MAX2323/MAX2325)

Low-gain mode 18.0 21.5

Midgain mode 19.5 23.5

High-gain, low-linearity idle mode 19.5 23.5

Operating Supply Current

High-gain, high-linearity mode 26.5 31.5

FM MODE (MAX2323/MAX2325)

Low-gain mode 15 18

Midgain mode 16.5 20

High-gain, low-linearity mode 16.5 20

Operating Supply Current

High-gain, high-linearity mode 23.5 28

SHUTDOWN MODE

Shutdown Supply Current SLEEP = high 1 25 µA

ALL MODES

Digital Input Logic High Except SLEEP input 2.0 V

SLEEP Input Logic High VCC -

0.6 V

Digital Input Logic Low 0.6 V

Digital Input Current High 5µA

Digital Input Current Low -25 µA

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

_______________________________________________________________________________________ 3

AC ELECTRICAL CHARACTERISTICS

(MAX2323 EV kit, FPLNAIN = 1960MHz, FCLNAIN = 881MHz, FIF = 110MHz, high-side LO, 50Ωsystem, RRBIAS = 20kΩ,

RRLNA = 24kΩ. Typical values are VCC = 2.75V, TA= +25°C. LO input power = -7dBm, LOW = 0V, HIGH = VCC, unless otherwise

noted.) (Note 1)

PARAMETER CONDITIONS MIN TYP MAX UNITS

OVERALL PERFORMANCE

Low-Band RF Frequency Range (Note 2) 850 950 MHz

High-Band RF Frequency

Range MAX2323 (Note 2) 1800 2200 MHz

Low-Band LO Frequency Range (Note 2) 800 1150 MHz

High-Band LO Frequency

Range MAX2323 (Note 2) 1600 2300 MHz

IF Frequency Range (Note 2) 40 400 MHz

LO Input Level 100Ω input impedance -7 -5 0 dBm

CELLULAR LNA PERFORMANCE (MAX2323/MAX2325)

CDMA AND FM HIGH-GAIN, HIGH-LINEARITY MODES

Gain TA = TMIN to TMAX 14.5 15.5 17 dB

Noise Figure 1.7 1.9 dB

TA = +25°C 9 10.5

IIP3 TA = TMIN to TMAX 7.5 dBm

CDMA HIGH-GAIN, LOW-LINEARITY PAGING MODE, AND FM HIGH-GAIN MODE

Gain TA = TMIN to TMAX 13 14.5 16 dB

LNA Noise Figure 1.7 1.9 dB

TA = +25°C 2.5 5

LNA IIP3 (Note 3) TA = TMIN to TMAX 2.7 dBm

CDMA AND FM MIDGAIN MODES

Gain TA = TMIN to TMAX 4.5 6 8 dB

Noise Figure 3.3 3.5 dB

TA = +25°C 8.5 10

IIP3 (Note 3) TA = TMIN to TMAX 5dBm

CDMA AND FM LOW-GAIN MODES

Gain TA = TMIN to TMAX -4.5 -3.5 -1.5 dB

Noise Figure 7.5 8.5 dB

IIP3 (Note 3) 13 17.5 dBm

PCS LNA PERFORMANCE (MAX2323)

CDMA HIGH-GAIN, HIGH-LINEARITY MODE

Gain TA = TMIN to TMAX 13.5 14.5 15.5 dB

Noise Figure 1.9 2.1 dB

TA = +25°C78

IIP3 (Note 3) TA = TMIN to TMAX 5.5 dBm

Note 1: Devices are production tested for functionality at frequencies stated; 30 units from 3 independent wafer lots, when one lot

was at the upper process extreme, one lot was nominal, and one lot was at the lower process extreme, were characterized.

The resulting standard deviation therefore includes process variations. Data sheet limits are ±3σfrom the mean.

Note 2: Operation over this frequency range requires the ports to be rematched for the desired operating range. Performance at

various frequencies is indicated by the S-parameter data in Tables 3–7.

Note 3: Specifications are based on RBIAS = 20kΩ. ICC for all LNAs (except HGHL) and mixers are inversely proportional to RRBIAS.

IIP3 can be traded for ICC by selecting other values of RRBIAS.

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

4 _______________________________________________________________________________________

AC ELECTRICAL CHARACTERISTICS (continued)

(MAX2323 EV kit, FPLNAIN = 1960MHz, FCLNAIN = 881MHz, FIF = 110MHz, high-side LO, 50Ωsystem, RRBIAS = 20kΩ,

RRLNA = 24kΩ. Typical values are VCC = 2.75V, TA= +25°C. LO input power = -7dBm, LOW = 0V, HIGH = VCC, unless otherwise

noted.) (Note 1)

PARAMETER CONDITIONS MIN TYP MAX UNITS

CDMA HIGH-GAIN, LOW-LINEARITY PAGING MODE

Gain TA = TMIN to TMAX 12.5 14 14.5 dB

LNA Noise Figure 1.9 2.1 dB

TA = +25°C4.5 5.5

LNA IIP3 (Note 3)

TA = TMIN to TMAX 3.0 dBm

CDMA MIDGAIN MODE

Gain TA = TMIN to TMAX -2.0 -1.0 -0.5 dB

Noise Figure 5.6 6.0 dB

IIP3 (Note 3) 12 13.5 dBm

CELLULAR MIXER PERFORMANCE (MAX2323/MAX2325)

CDMA, ALL MODES

Gain TA = TMIN to TMAX 11.5 13 14.5 dB

Noise Figure 7.5 8.5 dB

IIP3 TA = TMIN to TMAX (Note 3) 3.5 4.8 dBm

FM MODE

Gain TA = TMIN to TMAX 8.5 10 11.5 dB

Noise Figure 10.5 11.5 dB

IIP3 TA = TMIN to TMAX (Note 3) 1.5 5 dBm

PCS MIXER PERFORMANCE (MAX2323)

CDMA HIGH-GAIN, HIGH-LINEARITY MODE

Gain TA = TMIN to TMAX 12 13.5 15.5 dB

Noise Figure 7.9 8.5 dB

IIP3 TA = TMIN to TMAX (Note 3) 1.5 4 dBm

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

_______________________________________________________________________________________ 5

Pin Description

MAX2323 MAX2325

NAME FUNCTION

1 1 RLNA

L N A B i a s - S e t t i ng P i n . F o r no m i n a l b i a s , c o n n ec t a 24 k Ω r es i s t o r t o g r o u n d . T h i s

r e si s t o r v a l u e c a n b e a d j u st e d t o a l t e r t h e l i n e a r i t y o f t h e i np u t L N A i n hi g h - g ai n ,

h i g h - l i n ea r i t y C D M A m o d e s .

—2, 10, 23 N.C. No Connection. Leave this pin floating.

2—PLNAIN High-Band RF Input Port. Blocking capacitor is required, which may be used as part of

the matching network.

3, 8, 11,

12, 13, 18,

24, 25, 27

3, 8, 11, 12,

13, 17, 18,

24, 25, 27

GND Ground

4 4 CLNAIN Low-Band RF Input Port. Blocking capacitor is required, which may be used as part of

the matching network.

5 5 SLEEP Logic Input. High shuts off entire device.

6 6 G2 Logic Input. See Tables 1 and 2 for details.

7 7 G1 Logic Input. See Tables 1 and 2 for details.

9 9 LOLIN Low-Frequency LO Input Port. Requires blocking capacitor, which may be used as

part of an optional matching network.

10 —LOHIN High-Frequency LO Input Port. Requires blocking capacitor, which may be used as

part of an optional matching network.

14 14 MODE Logic Input. See Tables 1 and 2 for details.

15 15 FMOUT FM IF Output Port. Requires a pull-up inductor and a DC blocking capacitor, which

may be used as part of the matching network.

16 16 VCC 2.7V to 3.6V Supply Pin. Must be capacitively bypassed near the pin.

17 —BAND Logic Input. High selects high band (PCS). Low selects low band (cellular).

19, 20 19, 20 CDMA-,

CDMA+

Differential Output Port for CDMA Mode. Requires pull-up inductors and blocking

capacitors, which may be used as part of the matching network.

21 21 RBIAS

Bias Setting Pin. For nominal bias, connect a 20kΩ resistor to ground. This resistor

value can be adjusted to alter the linearity of the mixers in all modes and the LNA in all

modes except high gain and high linearity.

22 22 CMIXIN Low-Band Mixer Input Port. Requires blocking capacitor, which may be used as part of

the matching network.

23 —PMIXIN High-Band Mixer Input Port. Requires blocking capacitor, which may be used as part

of the matching network.

26 —PLNAOUT High-Band LNA Output Port. This port requires an external pull-up inductor and series

capacitor as part of the matching network.

—26 VCC 2.7 to 3.6V Supply Pin. Bypassing is not necessary at this pin.

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

6 _______________________________________________________________________________________

Pin Description (continued)

MAX2323 MAX2325 NAME FUNCTION

28 28 CLNAOUT Low-Band LNA Output Port. This port requires an external pull-up inductor and series

capacitor as part of the matching network.

Slug Slug GND Ground

FUNCTION CTRL PIN

MODES

BAND

HGHL AMP

HGLL AMP

MGHL AMP

LGHL AMP

CDMA MIXER

FM MIXER

BAND

MODE

SLEEP

PCS Band, High Gain,

High Linearity (HGHL) P√√1X 00 0

PCS Band, High Gain,

Low Linearity (Paging

Mode) (HGLL)

P√√1X 01 0

PCS Band, Midgain

(MGHL) P√√ 1X 10 0

Cellular Band CDMA

Mode, High Gain, High

Linearity (HGHL)

C√√01 000

Cellular Band CDMA,

High Gain, Low Linearity

(Paging Mode) (HGLL)

C√√01 010

Cellular Band, CDMA

Mode, Midgain (MGHL) C√√ 01 100

Cellular Band, CDMA

Mode, Low Gain (LGHL) C√√ 01 110

Cellular Band, FM Mode,

High Gain, Low Linearity

(HGLL)

C√√00 010

Cellular Band, FM Mode,

Midgain C√√00 100

Cellular Band, FM Mode,

Low Gain C√√00 110

Shutdown — —— ———— XX XX 1

Undefined ——————— 1X11 0

Cellular Band, FM Mode,

High Gain, High Linearity

(HGHL)

C√———— √0000 0

Table 1. MAX2323 Operational Modes

X: Don’t care

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

_______________________________________________________________________________________ 7

FUNCTION CTRL PIN

MODES

BAND

HGHL AMP

HGLL AMP

MGHL AMP

LGHL AMP

CDMA MIXER

FM MIXER

MODE

SLEEP

Cellular Band CDMA

Mode, High Gain, High

Linearity (HGHL)

C√√1000

Cellular Band CDMA,

High Gain, Low Linearity

(Paging Mode) (HGLL)

C√√1010

Cellular Band, CDMA

Mode, Midgain (MGHL) C√√1100

Cellular Band, CDMA

Mode, Low Gain (LGHL) C√√ 1110

Cellular Band, FM Mode,

High Gain, Low Linearity

(HGLL)

C√√0010

Cellular Band, FM Mode,

Midgain C√√0100

Cellular Band, FM Mode,

Low Gain C√√0110

Shutdown ——————— XXX1

Cellular Band, FM Mode,

High Gain, High Linearity

(HGHL)

√√0000

Table 2. MAX2325 Operational Modes

X: Don’t care

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

8 _______________________________________________________________________________________

Table 3. 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 0.623 -81.9 4.58 79.8 0.046 59.5 0.746 -29.5

750 0.627 -84.3 4.30 78.0 0.048 60.6 0.748 -30.2

800 0.629 -86.6 4.06 74.8 0.049 60.9 0.750 -30.9

850 0.631 -89.0 3.70 72.3 0.051 61.4 0.749 -31.1

900 0.632 -91.4 3.50 72.2 0.052 62.1 0.751 -32.3

950 0.635 -93.7 3.39 68.7 0.053 61.3 0.753 -33.0

1000 0.635 -96.0 3.08 66.3 0.053 62.7 0.753 -33.5

Table 4. 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 0.671 -125.8 5.77 109.2 0.062 90.4 0.796 -50.3

1750 0.675 -126.9 5.66 109.3 0.064 89.9 0.800 -50.7

1800 0.685 -128.9 5.66 107.2 0.065 89.1 0.808 -51.7

1850 0.689 -130.8 5.56 106.3 0.066 88.7 0.812 -52.6

1900 0.694 -132.7 5.63 104.7 0.066 89.3 0.817 -53.6

1950 0.696 -134.3 5.54 102.7 0.066 90.6 0.820 -54.4

2000 0.700 -135.8 5.50 101.2 0.068 91.9 0.826 -55.3

2050 0.706 -137.3 5.41 99.0 0.070 92.6 0.832 -56.3

2100 0.712 -138.9 5.33 97.4 0.072 92.7 0.839 -57.4

2150 0.717 -140.4 5.24 95.0 0.073 93.0 0.844 -58.8

2200 0.718 -141.9 5.08 93.3 0.073 94.2 0.845 -60.1

2250 0.721 -143.2 4.99 91.2 0.074 96.2 0.849 -61.4

2300 0.724 -144.5 4.78 89.0 0.077 98.3 0.852 -62.9

2350 0.730 -145.6 4.64 87.7 0.081 99.2 0.858 -64.5

2400 0.735 -146.9 4.45 85.7 0.085 99.4 0.862 -66.5

2450 0.740 -147.9 4.33 85.4 0.087 99.3 0.867 -68.0

2500 0.746 -148.4 4.39 85.5 0.089 99.5 0.875 -69.1

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

_______________________________________________________________________________________ 9

Table 5. Cellular Mixer S11 in High-Gain

High-Linearity Mode

Table 6. PCS Mixer S11 in High-Gain

High-Linearity Mode

FREQUENCY

(MHz)

S11

(MAG)

S11

(PHASE)

700 0.803 -17.5

750 0.792 -18.1

800 0.799 -18.8

850 0.769 -20.2

900 0.761 -21.9

950 0.751 -23.9

1000 0.738 -26.7

FREQUENCY

(MHz)

S11

(MAG)

S11

(PHASE)

1700 0.764 -42.6

1750 0.763 -44.1

1800 0.764 -45.8

1850 0.763 -47.3

1900 0.765 -48.5

1950 0.762 -50.0

2000 0.762 -50.1

2050 0.762 -50.0

2100 0.762 -49.9

2150 0.762 -49.9

2200 0.762 -50.0

2250 0.762 -50.0

2300 0.762 -49.9

2350 0.762 -50.1

2400 0.751 -64.4

2450 0.750 -64.3

2500 0.750 -64.2

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

10 ______________________________________________________________________________________

Table 7. Mixer IF Port S22

DIGITAL MIXER

(SINGLE-ENDED) FM MIXER

FREQUENCY

(MHz) S22

(MAG)

S22

(PHASE)

FREQUENCY

(MHz) S22

(MAG)

S22

(PHASE)

50 0.999 -2.1 50 0.998 -1.7

100 0.997 -4.1 70 0.998 -2.5

110 0.996 -4.5 85 0.998 -2.8

130 0.995 -5.5 100 0.998 -3.6

150 0.994 -6.2 110 0.998 -4.0

200 0.993 -8.2 150 0.998 -5.4

210 0.992 -8.6 200 0.998 -7.2

250 0.986 -10.0 250 0.997 -8.9

300 0.983 -12.0 300 0.997 -10.6

350 0.982 -13.9 350 0.997 -12.1

400 0.977 -15.8 400 0.997 -13.8

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

______________________________________________________________________________________ 11

2526

28 22

2324

8910 11 12 13 14

MODE

SLEEP BAND

VCC

MAX2323

CELLULAR

PCS

CELLULAR

PCS

VCC

CDMA

VCC

CELLULAR LO

PCS LO

Typical Application Circuits

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

12 ______________________________________________________________________________________

MODE

VCO

SLEEP

MAX2325

2526

28 22

2324

8910 11 12 13 14

VCC

CDMA

VCC

Typical Application Circuits (continued)

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

______________________________________________________________________________________ 13______________________________________________________________________________________ 13

DESIGNATION QTY DESCRIPTION

L7, L8 2 270nH ±2% inductors (0805)

Coilcraft 0805CS-271XGBC

L10 1 3.9nH ±0.3nH inductor (0603)

Murata LQG11A3N9S00

L11 1 330nH ±2% inductor (0805)

Coilcraft 0805CS-331XGBC

L12 1 2.7nH ±0.3nH inductor (0603)

Murata LQG11A2N7S00

R1, R4, R5,

R8, R10 51kΩ ±5% resistors (0402)

R2 1 24.3kΩ ±1% resistor (0402)

R3 1 20.0kΩ ±1% resistor (0402)

R7 1 2.7kΩ ±5% resistor (0402)

R11 1 8.2kΩ ±5% resistor (0402)

T1 1 Balun transformer (B5F type)

Toko 458DB-1011

PLNAIN,

CLNAIN,

LOLIN, LOHIN,

CLNAOUT,

PLNAOUT,

CDMAOUT,

FMOUT

SMA connectors (PC edge mount)

EFJohnson 142-0701-801 or

Digi-Key J502-ND

PMIXIN,

CMIXIN 2SMA connectors (vertical mount)

Digi-Key J500-ND

GND, VCC 2 Test points

Mouser 151-203

JU1, JU3, JU4,

JU7, JU9 5 3-pin headers

JU2, JU6, JU8,

JU10 4 2-pin headers

None 10 Shunts (JU1–JU4, JU6–JU10)

U1 1 MAX2323EGI (QFN-28)

None 1 MAX2323/MAX2325 data sheet

None 1 MAX2323 PC board

Component List

EV Kit Information

DESIGNATION QTY DESCRIPTION

C1, C4, C9,

C24, C29 5

0.01µF ±10% ceramic caps (0402)

Murata GRM36X7R103K016 or

Taiyo Yuden EMK105B103KW

C2, C3,

C21, C22, C27 5

100pF ±5% ceramic caps (0402)

Murata GRM36COG101J050 or

Taiyo Yuden UMK105CH101JW

C17 1

2.7pF ±0.1pF ceramic cap (0402)

Murata GRM36COG2R7B050 or

Taiyo Yuden EVK105CH2R7JW

C7 1

3.0pF ±0.1pF ceramic cap (0402)

Murata GRM36COG3R0B050 or

Taiyo Yuden EVK105CH3R0JW

C8 1

1.5pF ±0.1pF ceramic cap (0402)

Murata GRM36COG1R5B050 or

Taiyo Yuden EVK105CH1R5BW

C12 1 0Ω resistor (0402)

C6, C10 —Not installed

C11, C18, C19,

C26, C28,

C32, C33

1000pF ±10% ceramic caps (0402)

Murata GRM36X7R102K050 or

Taiyo Yuden UMK105B102KW

C5, C14, C16 3

6800pF ±10% capacitors (0402)

Murata GRM36X7R682K025 or

Taiyo Yuden TMK105B682KW

C15 1

1.0pF ±0.1pF ceramic cap (0402)

Murata GRM36COG010B050 or

Taiyo Yuden EVK105CH010BW

C23, C25 2 5.6pF ±0.25pF ceramic caps (0402)

Murata GRM36COG5R6C050

C31 1

4.3pF ±0.1pF ceramic cap (0402)

Murata GRM36COG4R3B050 or

Taiyo Yuden EVK105CH4R3JW

L1 1 8.2nH ±5% inductor (0603)

Murata LQG11A8N2J00

L2, L4 2 1.8nH ±10% inductors (0603)

Coilcraft 0603CS-1N8XKBC

L3, L6 2 0Ω resistors (0603)

L5 1 6.8nH ±5% inductor (0603)

Murata LQG11A6N8J00

MAX2323/MAX2325

Triple/Dual-Mode

CDMA LNA/Mixers

MAX2323

CLNAOUT

RLNA

PLNAIN

GND

CLNAIN

SLEEP

RBIAS

IF+

IF-

GND

BAND

VCC

GND PLNAOUT GND GND PMIXIN CMIXIN

GND LOLIN LOHIN GND GND GND MODE

JU2

100pF L1

8.2nH

1.8nH

3.0pF

24.3k

SMA

CLNAOUT

SMA

PLNAIN

0.01µF

VCC

JU10

100pF

1.8nH

0.01µF

VCC

C14

6800pF

SMA

CLNAIN

C16

6800pF

C15

1.0pF

6.8nH

C17

2.7pF

C11

1000pF

JU1

VCC

C18

1000pF

C27

100pF

C26

1000pF

C28

1000pF

C29

0.01µF

JU3

VCC

C19

1000pF

JU4

VCC

SMA

LOLIN

C21

100pF

SMA

LOHIN

C22

100pF

R10

JU9

VCC

C32

1000pF

SMA

FMOUT

JU8

L11

330nH

VCC

R11

8.2k

2.7k

C33

1000µF

C31

4.3pF

VCC

GND

VCC

JU7

VCC

JU6

VCC L7

270nH

C24

0.01µF

C23

5.6pF

C25

5.6pF

270nH

SMA

CDMAOUT

458DB-1011

20k

0Ω

SMA

CMIXIN

L10

3.9nH

C10

OPEN

0.01µF

0Ω

SMA

PMIXIN

L12

2.7nH

OPEN

6800pF

SMA

PLNAOUT

1.5pF

8 9 10 11 12 13 14

22232425262728

C12

0Ω

OPEN

L12 POSITION: 1mm FROM C5

Figure 1. MAX2323 Evaluation Kit

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600

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