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| AT65-0283 Digital Attenuator 15.5 dB, 5-Bit, TTL Driver, DC-2.0 GHz Features * * * * * * * Attenuation: 0.5 dB Steps to 15.5 dB Low DC Power Consumption Integral TTL Driver 50 ohm Impedance Test Boards are Available Tape and Reel Packaging Available SOW-16 Package Rev. V8 Schematic with Off-Chip Components Description M/A-COM's AT65-0283 is a GaAs FET 5-bit digital attenuator with integral TTL driver. Step size is 0.5 dB providing a 15.5 dB total attenuation range. This device is in a SOW-16 plastic surface mount package. The AT65-0283 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required. Pin Configuration Pin No. 1 2 3 4 5 6 7 8 Function RF GND GND GND GND GND GND RF Pin No. 9 10 11 12 13 14 15 16 Function C8 Vcc Vee C4 C2 C1 C0.5 GND Ordering Information Truth Table (Digital Attenuator) Part Number AT65-0283 AT65-0283TR AT65-0283-TB Package Bulk Packaging 1000 piece reel Sample Test Board C8 0 0 0 0 0 1 1 C4 0 0 0 0 1 0 1 C2 0 0 0 1 0 0 1 C1 0 0 1 0 0 0 1 C0.5 0 1 0 0 0 0 1 Attenuation Loss, Reference 0.5 dB 1.0 dB 2.0 dB 4.0 dB 8.0 dB 15.5 dB Note: Reference Application Note M513 for reel size information. 0 = TTL Low; 1 = TTL High 1 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. AT65-0283 Digital Attenuator 15.5 dB, 5-Bit, TTL Driver, DC-2.0 GHz Electrical Specifications: TA = 25C, Z0 = 50 Parameter Insertion Loss Attenuation Accuracy VSWR Switching Speed 1 Rev. V8 Test Conditions -- Any Bit Any Combination of Bits Full Range 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10% -- -- 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 Frequency DC - 1.0 GHz DC - 2.0 GHz DC - 2.0 GHz DC -2.0 GHz DC - 2.0 GHz -- -- 50 MHz 0.5 - 2.0 GHz 50 MHz 0.5-2.0 GHz -- -- -- -- -- -- -- Units dB dB dB dB Ratio ns ns dBm dBm dB dB V V V V uA uA mA Min -- -- -- -- -- -- -- -- -- -- -- 4.75 -8.0 0.0 2.0 -1.0 -- -- Typ 2.5 2.7 -- -- 1.5:1 75 20 +21 +29 +35 +48 5.0 -5.0 -- -- -- 250 -- Max 2.7 3.0 (.3 +4% of atten) (.3 +6% of atten) 2:1 150 50 -- -- -- -- 5.25 -4.75 0.8 5.0 1.0 400 1.0 1 dB Compression Input IP3 Vcc Vee VIL VIH lin (Input Leakage Current) Icc (Quiescent Supply Current) Icc2 (Additional Supply Current Per TTL Input Pin) IEE VEE min to max, Vin = VIL or VIH -- mA -1.0 -0.2 -- 1. Decoupling capacitors (.01 F) are required on power supply lines. 2. For calculating Icc, the number of TTL input pins is 6. Absolute Maximum Ratings3,4 Parameter Max. Input Power 0.05 GHz 0.5 - 2.0 GHz VCC VEE VCC - VEE Vin 5 Absolute Maximum +27 dBm +34 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 Handling Procedures Please observe the following precautions to avoid damage: 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. Operating Temperature Storage Temperature 3. Exceeding any one or combination of these limits may cause permanent damage to this device. 4. M/A-COM does not recommend sustained operation near these survivability limits. 5. Standard CMOS TTL interface, latch-up will occur if logic signal is applied prior to power supply. 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. AT65-0283 Digital Attenuator 15.5 dB, 5-Bit, TTL Driver, DC-2.0 GHz Typical Performance Curves Attenuation Accuracy 0.5, 1, 2, and 4 dB Bits Insertion Loss 0 .5, 1, 2 d B B it s 2.5 Rev. V8 4 d B B it 0.4 0.3 Insertio n Lo ss (dB) Dev ia tio n (dB) 2 0.2 0.1 0.0 -0.1 -0.2 1.5 1 0 500 1000 1500 2000 0 500 1000 1500 2000 Frequency (MHz) Attenuation Accuracy 8 dB Bit and Max. Attenuation 8 dB 1.0 0.8 M ax. A t t enuat io n Frequency (MHz) VSWR @ Insertion Loss R F in 1.6 R F o ut Deviation (dB) 0.4 0.2 0.0 -0.2 0 500 1000 1500 2000 VSWR 1.2 1 0 500 1000 1500 2000 0.6 1.4 Fre que ncy (MHz) Fre que ncy (MHz ) VSWR RF OUT 0.5, 1, 2, and 4 dB Bits 1.5 1.4 VSWR RF IN 0.5, 1, 2, 4, 8 dB Bits and Max. Attenuation 1.5 1.4 VSWR 1.3 1.2 1.1 1 0 500 1000 1500 2000 VSWR 1.3 1.2 1.1 1 0 500 1000 1500 2000 Frequency (MHz) 3 Freque ncy (MHz) 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. AT65-0283 Digital Attenuator 15.5 dB, 5-Bit, TTL Driver, DC-2.0 GHz Typical Performance Curves VSWR RF OUT 8 dB Bit and Max. Attenuation 1.5 1.4 Rev. V8 V SW R 1.3 1.2 1.1 1 0 500 1000 1500 2000 Frequency (MHz) SOW-16 Reference Application Note M538 for lead-free solder reflow recommendations. 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. |
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