HMC425A v01.0317 ATTENUATORS - SMT 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz Typical Applications Features The HMC425ALP3E is ideal for: 0.5 dB LSB Steps to 31.5 dB * WLAN & Point-to-Multi-Point Single Control Line Per Bit * Fiber Optics & Broadband Telecom 0.5 dB Typical Bit Error * Microwave Radio & VSAT Single +5V Supply * Military 3x3 mm SMT Package Functional Diagram General Description HMC425ALP3E are broadband 6-bit GaAs IC digital attenuators in low cost leadless surface mount packages. Covering 2.2 GHz to 8.0 GHz, the insertion loss is less than 4.5 dB typical. The attenuator bit values are 0.5 (LSB), 1, 2, 4, 8, and 16 dB for a total attenuation of 31.5 dB. Attenuation accuracy is excellent at 0.5 dB typical step error with an IIP3 of +40 dBm. Six control voltage inputs, toggled between 0 and +3 to +5V, are used to select each attenuation state. A single VDD bias of +3 to +5V is required. Electrical Specifications TA = +25 C, With VDD = +5V & VCTL= 0/+5V (Unless Otherwise Noted) Parameter Typ. Max. Units Insertion Loss 2.2 - 6.0 GHz 6.0 - 8.0 GHz Frequency Min. 3.5 4.5 4 4.7 dB dB Attenuation Range 2.2 - 8.0 GHz 31.5 dB Return Loss (RF1 & RF2, All Atten. States) 2.2 - 8.0 GHz 15 dB Attenuation Accuracy (Referenced to Insertion Loss) All States 2.2 - 8.0 GHz (0.5 + 5% of Atten. Setting Max.) dB Input Power for 0.1 dB Compression VDD= 5V VDD = 3V 2.2 - 8.0 GHz 25 23 dBm dBm REF - 16.0 dB States 16.5 - 31.5 dB States 2.2 - 8.0 GHz 45 40 dBm dBm 400 420 ns ns Input Third Order Intercept Point (Two-Tone Input Power= 0 dBm Each Tone) Switching Characteristics tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 1 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. 2.2 - 8.0 GHz For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 781-329-4700 * Order online at www.analog.com Application Support: Phone: 1-800-ANALOG-D HMC425A v01.0317 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz Return Loss RF1, RF2 0 -2 -5 -4 -6 -8 -10 -15 -20 -10 -25 1 2 3 4 5 6 7 8 9 10 1 2 3 4 FREQUENCY (GHz) +25 C +85 C -40 C 6 0.5 dB 1 dB 2 dB Normalized Attenuation 7 8 9 10 4 dB 8 dB 16 dB 31.5 dB Bit Error vs. Attenuation State (Only Major States are Shown) 0 2 -5 1 -10 BIT ERROR (dB) NORMALIZED ATTENUATION (dB) 5 FREQUENCY (GHz) -15 -20 -25 0 ATTENUATORS - ANALOG - SMT (Only Major States are Shown) 0 RETURN LOSS (dB) INSERTION LOSS (dB) Insertion Loss -1 -30 -35 -2 1 2 3 4 5 6 7 8 9 10 0 4 8 FREQUENCY (GHz) 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB Bit Error vs. Frequency 16 20 24 28 32 2.4 GHz 5.5 GHz 3.5 GHz 8 GHz Relative Phase vs. Frequency (Only Major States are Shown) (Only Major States are Shown) 2 80 1.5 60 1 40 RELATIVE PHASE (Deg) BIT ERROR (dB) 12 ATTENUATION STATE (dB) 0.5 0 -0.5 -1 20 0 -20 -40 0.5 dB 1 dB 2 dB -1.5 4 dB 8 dB 16 dB 31.5 dB 0.5 dB 1 dB 2 dB -60 -2 4 dB 8 dB 16 dB 31.5 dB -80 1 2 3 4 5 6 FREQUENCY (GHz) 7 8 9 10 1 2 3 4 5 6 7 8 9 10 FREQUENCY (GHz) For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 781-329-4700 * Order online at www.analog.com Application Support: Phone: 1-800-ANALOG-D 2 HMC425A v01.0317 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz Worst Case Step Error Between Successive Attenuation States P0.1dB vs. Temprature, IL State 40 5V 35 0.8 0.4 P0.1dB (dBm) STEP ERROR (dB) 30 0 -0.4 25 20 3V 15 10 5 -0.8 0 -1.2 2 1 2 3 4 5 6 7 8 9 3 8 dB 4 10 5 +25 C 16 dB 7 8 +85 C -40 C 24 dB IIP3 vs. Frequency at VDD=3V IIP3 vs. Frequency at VDD=5V 60 55 55 50 50 45 45 IIP3 (dBm) 60 40 35 40 35 30 30 IL 0.5 dB 1 dB 25 2 dB 4 dB 8 dB 16 dB 31.5 dB IL 0.5 dB 1 dB 25 20 2 dB 4 dB 8 dB 16 dB 31.5 dB 20 2 3 4 5 6 7 8 2 3 4 FREQUENCY (GHz) 5 6 7 8 FREQUENCY (GHz) Truth Table Bias Voltage & Current Control Voltage Input VDD Range = +3.0 V to +5.0 V Attenuation State RF1 - RF2 VDD (Vdc) +3.0 V 10 A High Reference I.L. +5.0 V 30 A High Low 0.5 dB High Low High 1 dB Low High High 2 dB Low High High High 4 dB Low High High High High 8 dB State Bias Condition Low High High High High High 16 dB Low 0 to 0.2V at 10 A Typ. Low Low Low Low Low Low 31.5 dB High VDD 0.2V at 5 A Typ. V1 16 dB V2 8 dB V3 4 dB V4 2 dB V5 1 dB V6 0.5 dB High High High High High High High High High High High High High High High High High High Any combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. 3 6 FREQUENCY (GHz) FREQUENCY (GHz) IIP3 (dBm) ATTENUATORS - ANALOG - SMT 1.2 IDD (Typ.) Control Voltage Note: VDD = +3V to +5V For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 781-329-4700 * Order online at www.analog.com Application Support: Phone: 1-800-ANALOG-D HMC425A v01.0317 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz Control Voltage (V1 to V6) VDD +0.5 Vdc Supply Voltage (VDD) +7.0 Vdc Storage Temperature -65 to +150 C Operating Temperature -40 to +85 C RF Input Power (2.2 - 8.0 GHz) +27 dBm ESD Sensitivity (HBM) Class 1A ESD Sensitivity (FICDM) Class IV ATTENUATORS - ANALOG - SMT Absolute Maximum Ratings ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing 16-Lead Lead Frame Chip Scale Package [LFCSP 3 x 3 mm Body and 0.85 mm Package Height (CP-16-50) Dimensions shown in millimeters DETAIL A 3.10 3.00 SQ 2.90 PIN 1 INDICATOR (JEDEC 95) 0.30 0.25 0.20 0.50 BSC 13 PIN 1 INDICATOR AREA OPTIONS 16 1 12 (SEE DETAIL A) 1.70 1.60 SQ 1.50 EXPOSED PAD 9 TOP VIEW 0.90 0.85 0.80 4 5 8 0.20 MIN BOTTOM VIEW 11-22-2016-A 0.05 MAX 0.02 NOM COPLANARITY 0.08 0.203 REF SEATING PLANE PKG-004831 0.45 0.40 0.35 COMPLIANT TO JEDEC STANDARDS MO-220-VEED-4 Package Information Part Number Package Body Material Lead Finish HMC425ALP3E RoHS-compliant Low Stress Injection Molded Plastic 100% Matte Sn MSL Rating MSL3 [1] Package Marking [2] H425A XXXX [1] Max peak reflow temperature of 260 C [2] 4-Digit lot number XXXX For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 781-329-4700 * Order online at www.analog.com Application Support: Phone: 1-800-ANALOG-D 4 HMC425A v01.0317 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz ATTENUATORS - ANALOG - SMT Pin Descriptions Pin Number Function Description Interface Schematic 1, 3, 10, 12 GND Package bottom has an exposed metal paddle that must also be connected to RF ground. 2, 11 RFIN, RFOUT This pin is DC coupled and matched to 50 Ohm. Blocking capacitors are required. 4, 5, 6, 7, 8, 9 V1 - V6 See truth table and control voltage table. 13, 14, 16 NC This pin should be connected to PCB RF ground to maximize performance. 15 VDD Supply Voltage Evaluation PCB Schematic TP1 VDD TP8 C6 TP2 V6 R1 100 C12 100PF 5 TP3 V5 TP4 V4 GND RFOUT HMC425ALP3E GND V3 8 V2 100PF U1 V1 C2 12 11 RFOUT 10 J2 100PF 9 R6 7 J1 1 GND 2 RFIN 3 GND 4 V6 5 V5 6 V4 C1 RFIN NC 16 15 VDD NC 14 NC 13 100PF C7 V1 100 TP7 100PF R2 R5 100 100 R3 R4 100 100 V2 TP6 V3 TP5 For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 781-329-4700 * Order online at www.analog.com Application Support: Phone: 1-800-ANALOG-D HMC425A v01.0317 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz * R1 - R6 = 100 Ohm. These resistors are optional and may be used to enhance decoupling of the RF path from the control inputs. ATTENUATORS - ANALOG - SMT Evaluation PCB Layout List of Materials for Evaluation PCB EV1HMC425ALP3E [1] Item Description J1 - J2 PCB Mount SMA Connector TP1-TP8 DC Test Point C1-C2, C6, C7, C12 100 pF Capacitor, 0402 Pkg. R1 - R6 100 Ohm Resistor, 0402 Pkg. U1 HMC425ALP3E Digital Attenuator PCB [2] 08-044925 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 The circuit board used in the application should use RF circuit design techniques. Signal lines should have 50 Ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. A sufficient number of via holes should be used to connect the top and bottom ground planes. The evaluation circuit board shown is available from Analog Devices upon request. For price, delivery, and to place orders: Analog Devices, Inc., One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 781-329-4700 * Order online at www.analog.com Application Support: Phone: 1-800-ANALOG-D 6