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MAATSS0020 Digital Attenuator, 31 dB, 5-Bit DC - 2.0 GHz Features * * * * * * * * * * 1-dB Attenuation Steps to 31 dB Ultra Low DC Power Consumption Low Intermodulation Products: IP3 = 50 dBm Tape and Reel Packaging Available Temperature Stability: 0.15 dB from -40C to +85C Lead-Free SSOP-20 Package 100% Matte Tin Plating over Copper Halogen-Free "Green" Mold Compound 260C Reflow Compatible RoHS* Compliant Version of AT-260 Rev. V1 Functional Schematic Description M/A-COM's MAATSS0020 is a 5-bit, 1-dB step GaAs MMIC digital attenuator in a lead-free SSOP20 surface mount plastic package. The MAATSS0020 is ideally suited for use where high power accuracy, fast switching, very low power consumption and low intermodulation products are required at a low cost. Typical Applications include radio and cellular equipment, wireless LANS, GPS equipment and other gain/level control circuits. The MAATSS0020 is fabricated with a monolithic GaAs MMIC using a mature 1-micron process. The process features full chip passivation for increased performance and reliability. Pin Configuration Pin No. 1 2 3 4 5 6 7 8 9 10 Function VC1 VC1 VC2 VC2 VC3 VC3 VC4 VC4 No Connection VC5 Pin No. 11 12 13 14 15 16 17 18 19 20 Function RF1 Ground Ground Ground Ground Ground Ground Ground Ground RF2 Ordering Information Part Number MAATSS0020 MAATSS0020TR-3000 1 Package SSOP 20-Lead 3000 piece reel Absolute Maximum Ratings 2,3 Parameter Input Power: 0.05 GHz 0.5 - 2.0 GHz Control Voltage Operating Temperature Storage Temperature Absolute Maximum +27 dBm +34 dBm +5 V, -8.5 V -40C to +85C -65C to +150C 1. Reference Application Note M513 for reel size information. 2. Exceeding any one or combination of these limits may cause permanent damage to this device. 3. M/A-COM does not recommend sustained operation near these survivability limits. * 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 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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. MAATSS0020 Digital Attenuator, 31 dB, 5-Bit DC - 2.0 GHz Electrical Specifications: TA = 25C, Z0 = 50 Parameter Reference Insertion Loss Rev. V1 Test Conditions DC - 0.1 GHz 0.1 - 0.5 GHz 0.5 - 1.0 GHz 1.0 - 2.0 GHz DC - 1.0 GHz DC - 2.0 GHz (Any State) 10% to 90% RF, 90% to 10% RF 50%Control to 90% RF, 50% Control to 10% RF In Band Input Power 0.05 GHz 0.5 - 2.0 GHz 0.05 GHz 0.5 - 2.0 GHz Measured Relative to Input Power (for two-tone input power up to +5 dBm) 0.05 GHz 0.5 - 2.0 GHz Measured Relative to Input Power (for two-tone input power up to +5 dBm) Units dB dB dB dB Min. -- -- -- -- Typ. 1.6 1.7 1.9 2.2 Max. -- -- 2.2 -- Attenuation Accuracy 4 VSWR Trise, Tfall Ton, Toff Transients 1 dB Compression (0.20 dB + 3% of Atten Setting in dB) dB (0.30 dB + 3% of Atten Setting in dB) dB Ratio nS nS mV dBm dBm dBm dBm -- -- -- -- -- -- -- -- 1.5:1 8 15 2 20 27 45 60 -- -- -- -- -- -- -- -- IP2 IP3 dBm dBm -- -- 34 50 -- -- 4. Attenuation accuracy specifications apply with negative bias control and low inductance grounding. Truth Table 5 Control Inputs VC 5 1 0 1 1 1 1 0 Handling Procedures Please observe the following precautions to avoid damage: VC 1 1 1 1 1 1 0 0 VC 4 1 1 0 1 1 1 0 VC 4 0 0 1 0 0 0 1 VC 3 1 1 1 0 1 1 0 VC 3 0 0 0 1 0 0 1 VC 2 1 1 1 1 0 1 0 VC 2 0 0 0 0 1 0 1 VC Atten (dB) 1 0 0 0 0 0 1 1 Reference 1 dB 2 dB 4 dB 8 dB 16 dB 31 dB 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. 5. 0 = Vin Low = 0 V = 0 to -0.2V @ 20 A maximum. 1 = Vin High = -5V @ 20 A typical to -8 V @ 200 A maximum. 2 ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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. MAATSS0020 Digital Attenuator, 31 dB, 5-Bit DC - 2.0 GHz Typical Performance Curves Insertion Loss 4 Rev. V1 Attenuation Accuracy 1.0 2 dB 4 dB 8 dB 16 dB 31 dB 3 +25C -40C +85C 0.5 2 0.0 1 -0.5 0 0.0 -1.0 0.5 1.0 1.5 2.0 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) VSWR 1.6 0 1 2 4 8 16 31 1.5 1.4 1.3 1.2 1.1 1.0 0.0 0.5 1.0 1.5 2.0 Lead-Free SSOP-20 Frequency (GHz) 3 Reference Application Note M538 for lead-free solder reflow recommendations. ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions * North America Tel: 800.366.2266 / Fax: 978.366.2266 is considering for development. Performance is based on target specifications, simulated results, * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 and/or prototype measurements. Commitment to develop is not guaranteed. * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 PRELIMINARY: Data Sheets contain information regarding a product M/A-COM Technology Visit www.macomtech.com for additional data sheets and product information. 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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