AT-250

Voltage Variable Absorptive Attenuator DC - 2 GHz Features q q q q q q q q AT-250 V 2.00 SO-8 12 dB Voltage Variable Attenuation Low Intermodulation Products Low DC Power Consumption: 50 µW Single Voltage Control 0 to -4 Volts Nanosecond Switching Speed Temperature Range: -40˚C to +85˚C Low Cost SOIC 8 Plastic Package Tape and Reel Packaging Available1 Description M/A-COM’s AT-250 is a GaAs MMIC voltage variable absorptive attenuator in a low cost SOIC 8-lead surface mount plastic package. The AT-250 is ideally suited for use where attenuation fine tuning, fast switching and very low power consumption are required. Typical applications include radio, cellular, GPS equipment and other Automatic Gain/Level Control circuits. The AT-250 is fabricated with a monolithic GaAs MMIC using a mature 1-micron process. The process features full chip passivation for increased performance and reliability. Ordering Information Part Number AT-250 PIN AT-250TR AT-250RTR Package SOIC 8-Lead Plastic Package Forward Tape & Reel Reverse Tape & Reel Electrical Specifications, TA = +25°C Parameter Insertion Loss Test Conditions2 DC – 0.1 GHz DC – 0.5 GHz DC – 1.0 GHz DC – 2.0 GHz DC – 0.1 GHz DC – 0.5 GHz DC – 1.0 GHz DC – 2.0 GHz 10% to 90% RF, 90% to 10% RF 50% Control to 90% RF, 50% Control to 10% RF In Band Linear Operation Absolute Max Input Power Measured Relative 0.05 GHz to Input Power 0.5 – 2.0 GHz (For two-tone Input Power Up to +5 dBm) Measured Relative 0.05 GHz to Input Power 0.5 –...