MAATSS0020 Digital Attenuator, 31 dB, 5-Bit DC - 2.0 GHz Functional Schematic Features • • • • • • • • • • Rev. V1 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 –40°C to +85°C Lead-Free SSOP-20 Package 100% Matte Tin Plating over Copper Halogen-Free “Green” Mold Compound 260°C Reflow Compatible RoHS* Compliant Version of AT-260 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. Pin Configuration Pin No. Function Pin No. Function 1 VC1 11 RF1 2 VC1 12 Ground 3 VC2 13 Ground Typical Applications include radio and cellular equipment, wireless LANS, GPS equipment and other gain/level control circuits. 4 VC2 14 Ground 5 VC3 15 Ground 6 VC3 16 Ground 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. 7 VC4 17 Ground 8 VC4 18 Ground 9 No Connection 19 Ground 10 VC5 20 RF2 Ordering Information 1 Part Number Package MAATSS0020 SSOP 20-Lead MAATSS0020TR-3000 3000 piece reel Absolute Maximum Ratings 2,3 Parameter Absolute Maximum Input Power: 0.05 GHz 0.5 - 2.0 GHz +27 dBm +34 dBm Control Voltage +5 V, -8.5 V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C 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 Rev. V1 Electrical Specifications: TA = 25°C, Z0 = 50 Ω Parameter Test Conditions Units Min. Typ. Max. Reference Insertion Loss DC - 0.1 GHz 0.1 - 0.5 GHz 0.5 - 1.0 GHz 1.0 - 2.0 GHz dB dB dB dB — — — — 1.6 1.7 1.9 2.2 — — 2.2 — Attenuation Accuracy 4 DC - 1.0 GHz DC - 2.0 GHz VSWR (Any State) Ratio — 1.5:1 — Trise, Tfall 10% to 90% RF, 90% to 10% RF nS — 8 — Ton, Toff 50%Control to 90% RF, 50% Control to 10% RF nS — 15 — Transients In Band mV — 2 — 1 dB Compression Input Power 0.05 GHz 0.5 - 2.0 GHz dBm dBm — — 20 27 — — IP2 0.05 GHz 0.5 - 2.0 GHz Measured Relative to Input Power (for two-tone input power up to +5 dBm) dBm dBm — — 45 60 — — IP3 0.05 GHz 0.5 - 2.0 GHz Measured Relative to Input Power (for two-tone input power up to +5 dBm) dBm dBm — — 34 50 — — ± (0.20 dB + 3% of Atten Setting in dB) dB ± (0.30 dB + 3% of Atten Setting in dB) dB 4. Attenuation accuracy specifications apply with negative bias control and low inductance grounding. Truth Table 5 Handling Procedures Please observe the following precautions to avoid damage: Control Inputs VC 5 VC 4 VC 4 VC 3 VC 3 VC 2 VC 2 VC 1 VC Atten (dB) 1 1 1 0 1 0 1 0 1 0 Reference 0 1 0 1 0 1 0 1 0 1 dB 1 0 1 1 0 1 0 1 0 2 dB 1 1 0 0 1 1 0 1 0 4 dB 1 1 0 1 0 0 1 1 0 8 dB 1 1 0 1 0 1 0 0 1 16 dB 0 0 1 0 1 0 1 0 1 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 µA maximum. 1 = Vin High = -5V @ 20 µA typical to -8 V @ 200 µA 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 Rev. V1 Typical Performance Curves Insertion Loss Attenuation Accuracy 1.0 4 +25°C -40°C +85°C 3 0.5 2 0.0 1 -0.5 0 0.0 2 dB 4 dB 8 dB 16 dB 31 dB -1.0 0.5 1.0 1.5 0.0 2.0 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 Frequency (GHz) † Lead-Free SSOP-20 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.