Document
Data Sheet
Wideband 2.5 GHz, 37 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, 4:1 Mux/SP4T
ADG904
04504-0-001 04504-0-012
OFF ISOLATION (dB)
04504-0-028
INSERTION LOSS (dB)
04504-0-029
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 control logic 20-lead TSSOP and 4 mm × 4 mm LFCSP packages Low power consumption (1 μA maximum) Qualified for automotive applications
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
GENERAL DESCRIPTION
The ADG904 and ADG904-R are wideband analog 4:1 multiplexers 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 l.