RoHS Compliant Digital Attenuator, 15.5 dB, 5-Bit DC - 2.0 GHz Features * * * * * * * * * * MAATSS0021 V1 Functional Schematic 0.5 dB Attenuation Steps to 15.5 dB Ultra Low DC Power Consumption Low Intermodulation Product: +45 dBm IP3 Tape and Reel Packaging Available Temperature Stability: +/-0.15 dB from -40C to +85C Lead-Free SOIC-16 Package 100% Matte Tin Plating over Copper Halogen-Free "Green" Mold Compound 260C Reflow Compatible RoHS* Compliant Version of AT-280 16 15 8 dB 14 13 4 dB 12 2 dB 10 11 1 dB 0.5 dB 6 7 9 Description M/A-COM's MAATSS0021 is a 5-bit, 0.5-dB step GaAs MMIC digital attenuator in a lead-free SOIC-16 surface mount plastic package. The MAATSS0021 is ideally suited for use where high accuracy, fast switching, very low power consumption and low intermodulation products are required at a low cost. 1 2 3 4 5 8 Pin Configuration Typical applications include radio and cellular equipment, wireless LANS, GPS equipment and other gain/level control circuits. Pin No. Function 1 VC1 9 RF2 2 VC1 10 Ground The MAATSS0021 is fabricated with a monolithic GaAs MMIC using a mature 1-micron process. The process features full chip passivation for increased performance and reliability. 3 VC2 11 Ground 4 VC2 12 Ground 5 VC3 13 Ground 6 VC3 14 Ground 7 VC4 15 Ground 8 VC5 16 RF1 Ordering Information Pin No. Function Absolute Maximum Ratings 1,2 Part Number Package MAATSS0021 Bulk Packaging MAATSS0021TR-3000 3000 piece reel MAATSS0021SMB Sample Board Note: Reference Application Note M513 for reel size information. Parameter Absolute Maximum Input Power: 0.05 GHz 0.5 - 2.0 GHz +27 dBm +34 dBm Control Voltage -8.5 V < VC < +5 V Operating Temperature -40C to +85C Storage Temperature -65C to +150C 1. Exceeding any one or combination of these limits may cause permanent damage to this device. 2. M/A-COM does not recommend sustained operation near these survivability limits. * Restrictions on Hazardous Substances, European Union Directive 2002/95/EC. 1 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. RoHS Compliant Digital Attenuator, 15.5 dB, 5-Bit DC - 2.0 GHz MAATSS0021 V1 Electrical Specifications: TA = 25C, Z0 = 50 Parameter Test Conditions Units Min Typ Max Reference Insertion Loss DC - 0.1 GHz DC - 0.5 GHz DC - 1.0 GHz DC - 2.0 GHz dB dB dB dB -- -- -- -- 1.1 1.3 1.5 1.8 -- -- -- 2.0 Attenuation Accuracy 3 DC - 2.0 GHz VSWR (Any state) Ratio -- 1.5:1 -- Trise, Tfall 10% to 90% RF, 90% to 10% RF nS -- 12 -- Ton, Toff 50% Control to 90% RF, 50% Control to 10% RF nS -- 18 -- Transients In Band mV -- 30 -- 1 dB Compression Input Power, 0.05 GHz Input Power, 0.5 - 2.0 GHz dBm dBm -- -- 22 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 -- -- 53 68 -- -- 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 -- -- 40 45 -- -- (0.30 dB +3% of Attenuation Setting in dB) dB 3. Attenuation acccuracy specifications apply with negative bias control and low inductance grounding. Lead-Free SOIC-16 Truth Table Control Inputs VC5 VC4 VC3 VC3 VC2 VC2 VC1 VC1 Atten. 1 1 1 0 1 0 1 0 Reference 0 1 1 0 1 0 1 0 0.5 dB 1 0 1 0 1 0 1 0 1 dB 1 1 0 1 1 0 1 0 2 dB 1 1 1 0 0 1 1 0 4 dB 1 1 1 0 1 0 0 1 8 dB 0 0 0 1 0 1 0 1 15.5 dB 0 = Vin Low = 0 V = 0 to -0.2 V @ 20 A maximum 1 = Vin High = -5 V at 20 A to -8 V at 20 A maximum Reference Application Note M538 for lead-free solder reflow recommendations. 2 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. RoHS Compliant Digital Attenuator, 15.5 dB, 5-Bit DC - 2.0 GHz MAATSS0021 V1 Typical Performance Curves Insertion Loss Attenuation Accuracy 3.0 0.3 2.5 0.2 +25C -40C +85C 2.0 0.5 dB Atten 1 dB Atten 2 dB Atten 4 dB Atten 8 dB Atten 15.5 dB Atten 0.1 1.5 0.0 1.0 -0.1 0.5 -0.2 0.0 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) -0.3 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) VSWR 1.5 0.5 dB 1 dB 2 dB 4 dB 8 dB 15.5 dB 1.4 1.3 1.2 1.1 1.0 0.0 0.5 1.0 1.5 2.0 Frequency (GHz) 3 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information.