ADG904-R - Analog Devices

ADG904-R Wideband 37 dB Isolation at 1 GHz CMOS 1.65V to 2.75V 4:1 Mux/SP4T

The ADG904/ADG904-R are wideband analog 4:1multiplexers that use a CMOS process to provide high isolation and low insertion loss to 1 GHz. The ADG904 is an absorptive/matched mux with 50 Ω terminated shunt legs; the ADG904-R is a reflective mux. These devices are designed such that the isolation is high over the dc to 1 GHz frequency range. The ADG904/ADG904.

Features

Wideband switch:
  –3 dB @ 2.5 GHz ADG904: Absorptive 4:1 Mux/SP4T ADG904-R: Reflective 4:1 Mux/SP4T High off isolation (37 dB @ 1 GHz) Low insertion loss (1.1 dB dc to 1 GHz) Single 1.65 V to 2.75 V power supply CMOS/LVTTL contol logic 20-lead TSSOP Low power consumption (1 µA max) ADG904 RF1 FUNCTIONAL BLOCK DIAGRAMS ADG904-R RF1 50Ω RF2 50Ω RF3 50Ω RF4 50Ω 04504-0-001 RF2 RFC RF3 RFC APPLICATIONS 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 .