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| MAAD-009171-000100 Digital Attenuator, Constant Phase 32 dB, 2-Bit, TTL Driver, DC-4.0 GHz Features * * * * * * * * Attenuation: Two 16 dB bits Minimal Phase Variation over Attenuation Range Low DC Power Consumption Small Footprint, PQFN Package Integral TTL Driver 50 ohm Impedance Test Boards are Available RoHS* Compliant Rev. V1 Functional Schematic Description M/A-COM's MAAD-009171-000100 is a GaAs FET 2-bit digital attenuator with two 16 dB steps and 32 dB total attenuation with integral TTL driver. This design has been optimized to minimize phase variation over the full attenuation range. This attenuator is in an RoHS compliant PQFN plastic surface mount package. MAAD-009171-000100 is ideally suited for use where accuracy, fast switching, very low power consumption and low intermodulation products are required. Typical applications include dynamic range setting in precision receiver circuits and other gain/leveling control circuits. Pin Configuration1 Pin No. 1 2 3 4 Function GND GND C8 C2 C4 C2 C1 C1 GND C0.5 GND GND NC NC NC 2 Pin No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Function NC NC NC NC NC NC NC NC NC GND RF2 GND NC2 -Vee Vee NC +Vcc Ordering Information Part Number MAAD-009171-000100 MAAD-009171-0001TR MAAD-009171-0001TB 5 6 Package Bulk Packaging 1000 piece reel Sample Test Board 7 8 9 10 11 GND RF1 GND NC NC NC Note: Reference Application Note M513 for reel size information. 12 13 14 15 16 * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 1 1. 2. The exposed pad centered on the package bottom must be connected to RF and DC ground. (For PQFN Packages) Pins 10 & 29 must be isolated ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MAAD-009171-000100 Digital Attenuator, Constant Phase 32 dB, 2-Bit, TTL Driver, DC-4.0 GHz Electrical Specifications: TA = 25C, Z0 = 50, VCC = +5.0V, VEE = -5.0V Parameter Operating Power 3 Rev. V1 Test Conditions -- -- 16 dB Bit (C1 Control) 32 dB Attenuation 16 dB Bit (C1 Control) 16 dB Bit (C1 Control) 32 dB Attenuation 32 dB Attenuation Reference Loss, 16 dB Bit (C1 Control), or 32 dB Attenuation Frequency -- DC - 2.0 GHz 2.0 - 4.0 GHz DC - 4.0 GHz DC - 4.0 GHz DC - 2.0 GHz 2.0 - 4.0 GHz DC - 2.0 GHz 2.0 - 4.0 GHz DC - 4.0 GHz Units dBm dB dB dB dB deg deg deg deg Ratio Min -- -- -- 15.5 30.8 -- -- -- -- -- Typ -- -- -- -- -- -- -- -- -- -- Max +20 1.9 2.2 16.8 34.0 4 5 8 9 1.8:1 Reference Insertion Loss Attenuation Accuracy4 Phase Accuracy Relative to Reference Loss State VSWR Switching Speed Ton Toff Trise Tfall 1 dB Compression5 Input IP3 Input IP2 Vcc Vee VIL VIH lin (Input Leakage Current) Icc (Quiescent Supply Current) Icc (Additional Supply Current Per TTL Input Pin) IEE Thermal Resistance jc 3. 4. 5. 1.3 V Cntl to 90% RF 1.3 V Cntl to 10% RF 10% RF to 90% RF 90% RF to 10% RF Reference State Reference State Two-tone inputs up to +5 dBm Two-tone inputs up to +5 dBm -- -- LOW-level input voltage HIGH-level input voltage Vin = VCC or GND Vcntrl = VCC or GND VCC = Max Vcntrl = VCC - 2.1 V VEE min to max Vin = VIL or VIH -- -- -- __ __ 0.05 GHz 0.5 - 4.0 GHz 0.05-4.0 GHz 0.05-4.0 GHz -- -- -- -- -- ns ns ns ns dBm dBm dBm dBm V V V V uA -- -- -- -- -- -- -- -- 4.5 -8.0 0.0 2.0 -1 42 30 19 16 >+26 >+26 +42 +42 +55 +77 5.0 -5.0 0.0 5.0 -- -- -- -- -- -- -- -- -- 5.5 -4.5 0.8 5.0 1 -- uA -- 250 400 -- mA -- -- 1.5 -- -- mA C/W -1.0 -- -0.2 35 -- -- Maximum operating power is specified with the input applied to RF1. If the input is applied to RF2, then maximum operating power is +16 dBm. This attenuator is guaranteed monotonic. 1 dB Compression was measured up to +26 dBm, which is the absolute maximum rating for this device. 2 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MAAD-009171-000100 Digital Attenuator, Constant Phase 32 dB, 2-Bit, TTL Driver, DC-4.0 GHz Rev. V1 Recommended PCB Configuration10 Absolute Maximum Ratings 6,7 Parameter Max. Input Power VCC VEE VCC - VEE Vin 9 8 Absolute Maximum +26 dBm -0.5V VCC +7.0V -8.5V VEE +0.5V -0.5V VCC - VEE 14.5V -0.5V Vin VCC + 0.5V -40C to +85C -65C to +125C Operating Temperature Storage Temperature 6. 7. 8. 9. Exceeding any one or combination of these limits may cause permanent damage to this device. M/A-COM does not recommend sustained operation near these survivability limits. Maximum input power is specified with power applied to RF1. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. 10. Application Note S2083 is available on line at www.macom.com Handling Procedures Please observe the following precautions to avoid damage: Truth Table (Digital Attenuator)11 C2 0 0 1 Static Sensitivity Gallium Arsenide Integrated Circuits are sensitive to electrostatic discharge (ESD) and can be damaged by static electricity. Proper ESD control techniques should be used when handling these devices. C1 0 1 1 Attenuation Loss, Reference 16 dB 32 dB 0 = TTL Low; 1 = TTL High 11. C1 is specified as the control for the 16 dB bit. We show data for the performance with the C2 control - note that the power handling is reduced if C2 is used for the 16 dB bit. The electrical performance of the 16 dB bit controlled by C2 is not specified. Moisture Sensitivity The MSL rating for this part is defined as Level 2 per IPC/JEDEC J-STD-020. Parts shall be stored and/or baked as required for MSL Level 2 parts. 3 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MAAD-009171-000100 Digital Attenuator, Constant Phase 32 dB, 2-Bit, TTL Driver, DC-4.0 GHz Typical Performance Curves Reference Loss vs. Frequency Attenuation - 16 dB Bit (C1) vs. Frequency Rev. V1 3.5 Reference Loss (dB) 3.0 2.5 2.0 1.5 1.0 0.5 0.0 1.0 2.0 3.0 Frequency (GHz) 25C Reference Loss (dB) 17.0 16.8 16.6 16.4 16.2 16.0 85C 85C 25C -40C 4.0 5.0 6.0 -40C 15.8 0.0 1.0 2.0 3.0 Frequency (GHz) 4.0 5.0 6.0 Attenuation - 16 dB Bit (C2) vs. Frequency Attenuation - 32 dB Attenuation vs. Frequency 17.2 17.0 16.8 16.6 16.4 16.2 16.0 0.0 1.0 2.0 3.0 Frequency (GHz) 4.0 5.0 6.0 35.0 34.5 34.0 33.5 33.0 32.5 32.0 0.0 1.0 2.0 3.0 Frequency (GHz) 4.0 5.0 6.0 25C Reference Loss (dB) 85C 25C Reference Loss (dB) 85C -40C -40C Phase - 16 dB Bit (C1) vs. Frequency Relative to Reference Loss State 2.0 Phase - 16 dB Bit (C2) vs. Frequency Relative to Reference Loss State 2.0 -40C Phase (Degrees) Phase (Degrees) 0.0 0.0 -40C -2.0 25C -2.0 -4.0 85C -4.0 85C 25C 2.0 3.0 Frequency (GHz) 4.0 5.0 6.0 -6.0 0.0 1.0 2.0 3.0 Frequency (GHz) 4.0 5.0 6.0 -6.0 0.0 1.0 4 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MAAD-009171-000100 Digital Attenuator, Constant Phase 32 dB, 2-Bit, TTL Driver, DC-4.0 GHz Typical Performance Curves Phase - 32 dB Attenuation vs. Frequency Relative to Reference Loss State 4.0 2.0 Phase (Degrees) 0.0 -2.0 -4.0 -6.0 -8.0 0.0 1.0 2.0 3.0 Frequency (GHz) 4.0 5.0 6.0 Rev. V1 VSWR - Reference State vs. Frequency 2.0 1.8 25C VSWR -40C 1.6 RF2 1.4 1.2 1.0 0.0 1.0 2.0 3.0 Frequency (GHz) 4.0 5.0 6.0 RF1 85C VSWR - 16 dB Bit (C1) vs. Frequency VSWR - 16 dB Bit (C2) vs. Frequency 2.0 1.8 1.6 1.4 1.2 1.0 0.0 1.0 2.0 3.0 Frequency (GHz) 4.0 5.0 6.0 2.0 1.8 1.6 VSWR VSWR RF2 RF1 RF2 1.4 1.2 1.0 0.0 1.0 2.0 3.0 Frequency (GHz) 4.0 5.0 6.0 RF1 VSWR - 32 dB Attenuation vs. Frequency 2.0 1.8 1.6 1.4 1.2 1.0 0.0 1.0 2.0 3.0 Frequency (GHz) 4.0 5.0 6.0 VSWR RF2 RF1 5 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. MAAD-009171-000100 Digital Attenuator, Constant Phase 32 dB, 2-Bit, TTL Driver, DC-4.0 GHz Typical Performance Typical Input IP2 and IP3 at Room Temperature12 IP2 Attenuation Reference State 16 dB (C1) 16 dB (C2) 32 dB Rev. V1 IP3 2 GHz 75 87 77 90 50 MHz 55 62 57 65 500 MHz 77 78 78 80 50 MHz 42 41 41 43 500 MHz 42 41 41 43 2 GHz 43 44 44 53 Units dBm dBm dBm dBm 12. IP2 and IP3 are measured with two-tone inputs F1 and F2 up to +5 dBm with 1 MHz spacing. CSP-1, 4 x 6 mm, 32-lead PQFN Reference Application Note M538 for lead-free solder reflow recommendations. 6 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 * Europe Tel: +353.21.244.6400 is considering for development. Performance is based on target specifications, simulated results, * India Tel: +91.80.4155721 * China Tel: +86.21.2407.1588 and/or prototype measurements. Commitment to develop is not guaranteed. Visit www.macomtech.com for additional data sheets and product information. PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Solutions has under development. Performance is based on engineering tests. Specifications are typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make Commitment to produce in volume is not guaranteed. changes to the product(s) or information contained herein without notice. |
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