HMC424ALH5 v00.0416 ATTENUATORS - DIGITAL - SMT 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 13 GHz Typical Applications Features The HMC424ALH5 is ideal for: 0.5 dB LSB Steps to 31.5 dB * Telecom Infrastructure Single Control Line Per Bit * Military Radio, Radar & ECM 0.3 dB Typical Bit Error * Space Systems Hermetic SMT Package, 25mm2 Screening to MIL-PRF-38535 (Class B or S) Available * Test Instrumentation Functional Diagram General Description The HMC424ALH5 is a broadband 6-bit GaAs MMIC digital attenuator housed in a hermetic SMT leadless package. Covering DC to 13 GHz, the insertion loss is less than 3.5 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 +34 dBm. Six control voltage inputs, toggled between 0 and -5V, are used to select each attenuation state. A single Vee bias of -5V allows operation at frequencies down to DC. The HMC424ALH5 is compatible with standard and lead free surface mount manufacturing techniques and is suitable for high reliability military, industrial and space applications. Electrical Specifications, TA = +25 C, With Vee = -5V & VCTL= 0/-5V Parameter Frequency (GHz) Typ. Max. Units DC - 4 GHz 4.0 - 8.0 GHz 8.0 - 12.0 GHz 12.0GHz - 13.0 GHz 2.7 3.3 4.2 4.7 3.2 3.8 4.7 5.2 dB dB dB Attenuation Range DC - 13.0 GHz 31.5 dB Return Loss (RF1 & RF2, All Atten. States) DC - 13.0 GHz 12 dB DC - 13.0 GHz DC - 13.0 GHz 0.4 + 4% of Atten. Setting Max 0.5 + 5% of Atten. Setting Max dB dB 1.0 - 13.0 GHz 27 dBm 1.0 - 13.0 GHz 40 34 dBm dBm 30 55 ns ns Insertion Loss Min. Attenuation Accuracy: (Referenced to Insertion Loss) 0.5 - 16.5 dB States 17 - 31.5 dB States Input Power for 0.1 dB Compression Input Third Order Intercept Point (Two-Tone Input Power= 0 dBm Each Tone) REF State All Other States 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. DC - 13.0 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 HMC424ALH5 v00.0416 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 13 GHz Return Loss RF1, RF2 Insertion Loss (Only Major States are Shown) 0 -5 RETURN LOSS (dB) INSERTION LOSS (dB) -2 -4 -6 -10 -15 -20 -8 -25 -10 0 0 3 6 9 12 3 6 15 9 12 15 FREQUENCY (GHz) FREQUENCY (GHz) +25 C +85 C I.L. 0.5 dB 1 dB -40 C Normalized Attenuation 2 0 -5 1 BIT ERROR (dB) -10 -15 -20 -25 0 -1 -30 -2 -35 0 1 2 3 4 5 6 7 8 9 0 10 11 12 13 14 15 4 8 IL 0.5 dB 1 dB 12 16 20 24 28 32 ATTENUATION STATE (dB) FREQUENCY (GHz) 2 dB 4 dB 8 dB 0.1 GHz 4 GHz 16 dB 31.5 dB Bit Error vs. Frequency 8 GHz 13 GHz Relative Phase vs. Frequency (Only Major States are Shown) (Only Major States are Shown) 80 RELATIVE PHASE (deg) 2 1 BIT ERROR (dB) 16 dB 31.5 dB Bit Error vs. Attenuation State (Only Major States are Shown) NORMALIZED ATTENUATION (dB) 2 dB 4 dB 8 dB ATTENUATORS - DIGITAL - SMT 0 0 -1 60 40 20 0 -20 0 3 -2 0 3 6 9 12 0.5 dB 1 dB 2 dB FREQUENCY (GHz) 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 6 9 12 15 FREQUENCY (GHz) 15 4 dB 8 dB 16 dB 31.5 dB 31.5 dB 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 HMC424ALH5 v00.0416 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 13 GHz Step Error vs. Frequency (Major States) Bias Voltage & Current Vee Range= -5 Vdc 10% 1.5 STEP ERROR (dB) ATTENUATORS - DIGITAL - SMT 2 1 0.5 Vee (VDC) Iee (Typ.) (mA) Iee (Max.) (mA) -3.0 2.2 5 -5.0 2.3 5 0 -0.5 -1 -1.5 -2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 FREQUENCY (GHz) IL 0.5 dB 1 dB 2 dB 4 dB 8 dB 16 dB 31.5 dB Truth Table Control Voltage Input Control Voltage State Bias Condition Low 0 to -3V @ 35 A Typ. High Vee to Vee +0.8V @ <1 A Typ. Attenuation State RF1 - RF2 V1 16 dB V2 8 dB V3 4 dB V4 2 dB V5 1 dB V6 0.5 dB Low Low Low Low Low Low Reference I.L. Low Low Low Low Low High 0.5 dB Low Low Low Low High Low 1 dB Low Low Low High Low Low 2 dB Low Low High Low Low Low 4 dB Low High Low Low Low Low 8 dB High Low Low Low Low Low 16 dB High High High High High High 31.5 dB Any Combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. 3 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 HMC424ALH5 v00.0416 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 13 GHz Control Voltage (V1 to V6) Vee - 0.5 Vdc Bias Voltage (Vee) -7 Vdc Channel Temperature 150 C Thermal Resistance (T= 85 C) Pin = +23 dBm, @ max. atten. Pin = +23dBm, @ 4dB atten. 100 C/W 374 C/W Continuous Pdiss (T= 85 C) 0.174 W Storage Temperature -65 to + 150 C Operating Temperature -40 to +85 C RF Input Power (0.5 - 13 GHz) +25 dBm ESD Sensitivity (HBM) Class 1A ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing ATTENUATORS - DIGITAL - SMT Absolute Maximum Ratings NOTES: 1. PACKAGE BODY MATERIAL: CERAMIC & KOVAR 2. LEAD AND GROUND PADDLE PLATING: GOLD 40 - 80 MICROINCHES. 3. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE 5. PAD BURR LENGTH 0.15mm MAX. PAD BURR HEIGHT 0.25mm MAX. 6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 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 HMC424ALH5 v00.0416 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 13 GHz ATTENUATORS - DIGITAL - SMT Pin Description Pad Number Function Description 1, 9 RF1, RF2 This pin is DC coupled and matched to 50 Ohm. Blocking capacitors are required if RF line potential is not equal to 0V. 2-7 V6 - V1 See truth table and control voltage table. 8, 10, 12 GND Package base must also be connected to RF ground 11 Vee Supply Voltage -5V 10% Interface Schematic Suggested Driver Circuit (One Circuit Required Per Bit Control Input) Simple driver using inexpensive standard logic ICs provides fast switching using minimum DC current. * Recommended value to suppress unwanted RF signals at V1 V6 control lines. 5 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 HMC424ALH5 v00.0416 0.5dB LSB GaAs MMIC 6-BIT DIGITAL ATTENUATOR, DC - 13 GHz ATTENUATORS - DIGITAL - SMT Evaluation PCB List of Materials for Evaluation PCB EV1HMC424ALH5 [1] Item Description J1 - J2 PCB Mount SMA SRI Connector J3 8 Pin DC Connector .1" Thruhole C1 0.01 F Capacitor, 0603 Pkg. U1 HMC424ALH5 Digital Attenuator PCB [2] 110853 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