General Description
The MAX4634 fast, low-voltage, 4-channel CMOS analog multiplexer features 4Ω (max) on-resistance (RON). It offers RON matching between switches to 0.3Ω (max) and RON flatness of 1Ω (max) over the specified signal range. Each switch can handle V+ to GND analog sig nals. Off-leakage current is only 0.1nA (max) at +25°C. The MAX4634 features fast turn-on (tON) and turn-off (tOFF) times of 18ns and 11ns, respectively. All this comes in the tiny 10-pin µMAX® and 10-pin, 3mm x 3mm, TDFN packages.
This low-voltage multiplexer operates from a +1.8V to +5.5V single supply. All digital inputs have +0.8V and +2.4V logic thresholds, ensuring TTL/CMOS-logic com patibility with +5V operation.

Features
♦ Guaranteed RON
   2.5Ω (typ) with 5V Supply
   4.5Ω (typ) with 3V Supply
♦ 0.3Ω (max) Guaranteed RON Match Between Channels
♦ 1Ω (max) Guaranteed RON Flatness Over Signal Range
♦ 0.1nA (at +25°C) Guaranteed Low Leakage Currents
♦ +1.8V to +5.5V Single-Supply Operation
♦ +1.8V Operation
   RON = 30Ω (typ) Overtemperature
   tON = 30ns (typ), tOFF = 13ns (typ)
♦ V+ to GND Signal Handling
♦ TTL/CMOS-Logic Compatible
♦ -78dB Crosstalk (at 1MHz)
♦ -80dB Off-Isolation (at 1MHz)
♦ 0.018% Total Harmonic Distortion

Applications
   Battery-Operated Equipment
   Audio and Video Signal Routing
   Low-Voltage Data-Acquisition Systems
   Sample-and-Hold Circuits
   Communications Circuits