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| MAATSS0018 Digital Attenuator, 1-Bit, 10 dB Step DC - 2.0 GHz Features * * * * * * * Single 10 dB Step Low Loss: 0.3 dB @ 900 MHz Lead-Free SOT-25 Package 100% Matte Tin Plating over Copper Halogen-Free "Green" Mold Compound 260C Reflow Compatible RoHS* Compliant Version of AT-266 Rev. V2 Functional Block Diagram Description M/A-COM's MAATSS0018 is a 1 bit, 10 dB step GaAs MMIC digital attenuator in a lead-free SOT-25 surface mount plastic package. The MAATSS0018 is ideally suited for use where high accuracy, very low power consumption and low intermodulation products are required. Typical applications include radio, wireless LANs, GPS equipment and other gain/level control circuits. The MAATSS0018 is a 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 Function RF1 GND RF2 V1 V2 Description RF In/Out RF Ground RF In/Out Control Voltage Control Voltage Ordering Information Part Number MAATSS0018 MAATSS0018TR 5 Package Bulk Packaging 1000 piece reel Truth Table 4,5,6 V1 0 1 V2 1 0 Attenuation State 10 dB Insertion Loss 1. Reference Application Note M513 for reel size information. Absolute Maximum Ratings 2,3 Parameter Input Power 50 MHz 500 - 2000 MHz Control Voltage Operating Temperature Storing Temperature Absolute Maximum +27 dBm +34 dBm -8.5 V < Vc < +8 V -40C to +85C -65C to +150C 4. For positive voltage control, external DC blocking capacitors are required on all RF ports (pins 1, 2 and 3) 5. Differential voltage, V(state 1) - V(state 0), must be +2.8 V minimum and less than 8 V. 6. 0 = -8 V to 0.2 V, 1 = -0.2 V to 8 V 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. MAATSS0018 Digital Attenuator, 1-Bit, 10 dB Step DC - 2.0 GHz Electrical Specifications: TA = 25C, VC = 0 V / -3 V, Z0 = 50 Parameter Insertion Loss Attenuation VSWR IP3 P1dB Trise, Tfall Ton, Toff Transients Control Current Rev. V2 Test Conditions 0 - 1 GHz 1 - 2 GHz DC - 2 GHz 0 - 2 GHz 2 Tone @ 0 dBm, 5 MHz spacing 1 GHz 10% to 90% RF, 90% to 10% RF 50% Control to 90% RF, 50% Control to 10% RF In Band Vc = 3 V Units dB dB dB Ratio dBm dBm nS nS mV A Min. -- -- 9.5 -- -- -- -- -- -- -- Typ. 0.3 0.5 10 1.4:1 50 28 5 10 6 25 Max. 0.45 0.7 10.5 -- -- -- -- -- -- -- Lead-Free SOT-25 Reference Application Note M538 for lead-free solder reflow recommendations. 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. 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. MAATSS0018 Digital Attenuator, 1-Bit, 10 dB Step DC - 2.0 GHz Typical Performance Curves (39 pF capacitors used for positive voltage control) Insertion Loss (Positive Control) 1.0 +25C -40C +85C Rev. V2 Insertion Loss (Negative Control) 1.0 0.8 0.8 +25C -40C +85C 0.6 0.6 0.4 0.4 0.2 0.2 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Relative Attenuation (Positive Control) 11.0 +25C -40C +85C Relative Attenuation (Negative Control) 11.0 +25C -40C +85C 10.5 10.5 10.0 10.0 9.5 9.5 9.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 9.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Return Loss (Reference State) 40 Positive Control Negative Control Return Loss (10 dB State) 40 Positive Control Negative Control 30 30 20 20 10 10 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3 Frequency (GHz) Frequency (GHz) 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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