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| AT-232-PIN Digital Attenuator 30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz Features * Attenuation: 2 dB steps to 30 dB * Temperature Stability: 0.18 dB from -55C to +85C Typical * Low DC Power Consumption * Hermetic Surface Mount Package * Fast Switching Speed, 12 ns Typical * 50 Ohm Nominal Impedance * Lead-Free CR-6 Package * 260C Reflow Compatible * RoHS* Compliant Rev. V5 Functional Schematic PIN 1 VC1 16 dB RF1 PIN 16 GND GND 8 dB /VC1 VC2 /VC2 VC3 /VC3 VC4 /VC4 2 dB 4 dB GND GND GND GND Orientation Mark RF2 Description M/A-COM's AT-232-PIN is a GaAs FET 4-bit digital attenuator with a 2 dB minimum step size and 30 dB total attenuation. This attenuator is in a hermetically sealed ceramic 16-lead surface mount package. The AT-232-PIN 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. Environmental screening is available. Contact the factory for information. Pin Configuration Pin No. 1 2 3 4 5 6 7 Function VC1 /VC1 VC2 /VC2 VC3 /VC3 VC4 /VC4 Pin No. 9 10 11 12 13 14 15 16 Function RF2 GND GND GND GND GND GND RF1 Ordering Information Part Number AT-232-PIN 8 The metal bottom of the case must be connected to RF and DC ground. Package Bulk Packaging Note: Reference Application Note M513 for reel size information. * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 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. AT-232-PIN Digital Attenuator 30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz Electrical Specifications: From -55C to +85C1 Parameter Reference Insertion Loss Rev. V5 Test Conditions -- Frequency DC - 0.5 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 2.0 GHz -- -- -- 0.05 GHz 0.5 - 2.0 GHz 0.05 GHz 0.5 - 2.0 GHz 0.05 GHz 0.5 - 2.0 GHz -- -- Units dB dB dB Min -- -- -- Typ -- -- -- Max 2.0 2.3 2.5 Attenuation Accuracy 2 Any Single Bit Any Combination of Bits (0.15 dB +3% of atten setting in dB) dB (0.2 dB +3% of atten setting in dB) dB Or 0.45 dB, whichever is greater (0.22 dB +3% of atten setting in dB) dB (0.25 dB +4% of atten setting in dB) dB Or 0.45 dB, whichever is greater Ratio ns ns mV dBm dBm dBm dBm dBm dBm A A -- -- -- -- -- -- -- -- -- -- -- -- -- 12 18 25 +20 +28 +40 +50 +45 +68 -- -- 1.6:1 -- -- -- -- -- -- -- -- -- 20 200 VSWR Trise, Tfall Ton, Toff Transients 1 dB Compression Input IP3 Input IP2 Input Leakage Current (Low) Input Leakage Current (High) -- 10% to 90% 50% Control to 90/10% RF In-Band (peak-peak) Input Power Input Power For two-tone Input Power Up to +5 dBm For two-tone Input Power Up to +5 dBm -0.2 to 0V -8.0 to -5.0V 1. All specifications apply when operated with control voltages of 0.0V to -5.0V. 2. This attenuator is guaranteed monotonic. Absolute Maximum Ratings 3,4 Parameter Max Input Power 0.05 GHz 0.5 - 2.0 GHz Control Voltage Operating Temperature Storage Temperature 3. 4. Absolute Maximum +27 dBm +34 dBm -8.5 V < Vc < +5 V -55C to +125C -65C to +150C 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. 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. AT-232-PIN Digital Attenuator 30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz Truth Table (Digital Attenuator) Handling Procedures Please observe the following precautions to avoid damage: Control Inputs /VC4 VC4 /VC3 VC3 /VC2 VC2 /VC1 VC1 Atten. (dB) -5V 0V -5V -5V -5V 0V 0V -5V 0V 0V 0V -5V -5V -5V 0V -5V -5V 0V 0V 0V -5V 0V 0V -5V -5V -5V -5V 0V -5V 0V 0V 0V 0V -5V 0V -5V -5V -5V -5V -5V 0V 0V 0V 0V 0V 0V -5V -5V Ref. 2 dB 4 dB 8 dB 16 dB 30 dB Rev. V5 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. Typical Performance Curves Ref. Insertion Loss vs. Frequency - 55 C 4 + 2 5 C + 8 5 C VSWR vs. Frequency 2 dB 1.6 1.5 4 dB 8 dB 16 d B 3 0 d B Inser t io n Lo ss Insertion Loss (dB) 3 1.4 2 VSWR 0.0 0.5 1.0 1.5 2.0 2.5 3.0 1.3 1.2 1 1.1 0 1.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Fre que ncy (GHz ) Fre que ncy (GHz ) Attenuation Accuracy vs. Frequency 2 dB 16 d B 4 dB 8 dB 3 0 dB D ev ia tio n fro m N o mina l A tten (dB) 3.00 2.50 2.00 1.50 1.00 0.50 0.00 -0.50 -1.00 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) 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. AT-232-PIN Digital Attenuator 30.0 dB, 4-Bit, TTL Driver, DC-2.0 GHz Lead-Free, CR-6 Ceramic Package Rev. V5 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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