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ADG901 Datasheet PDF - Analog Devices

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The ADG901/ADG902 are wideband switches that use a CMOS process to provide high isolation and low insertion loss to 1 GHz. The ADG901 is an absorptive (matched) switch with 50 Ω terminated shunt legs, while the ADG902 is a reflective switch. These devices are designed such that the isolation is high over the dc to 1 GHz frequency range. They have on-board CMOS control logic, thus eliminating the need for external controlling circuitry. The control inputs are both CMOS and LVTTL compatible. The low power consumption of these CMOS devices makes them ideally suited to wireless applications and general-purpose high frequency switching.

   Wideband switch: −3 dB @ 4.5 GHz
   ADG901—absorptive switch
   ADG902—reflective switch
   High off isolation: 40 dB @ 1 GHz
   Low insertion loss: 0.8 dB @1 GHz
   Single 1.65 V to 2.75 V power supply
   CMOS/LVTTL control logic
   8-lead MSOP and tiny 3 mm × 3 mm LFCSP packages
   Low power consumption (<1 μA)

   Wireless communications
   General purpose RF switching
   Dual-band applications
   High speed filter selection
   Digital transceiver front end switch
   IF switching
   Tuner modules
   Antenna diversity switching list


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