DESCRIPTION
The LTC ®1391 is a high performance CMOS 8-to-1 analog multiplexer. It features a serial digital interface that allows several LTC1391s to be daisy-chained together, increasing the number of MUX channels available using a single digital port.

FEATURES
■ Low RON: 45Ω
■ Single 2.7V to ±5V Supply Operation
■ Low Charge Injection
■ Serial Digital Interface
■ Analog Inputs May Extend to Supply Rails
■ Low Leakage: ±5nA Max
■ Guaranteed Break-Before-Make
■ TTL/CMOS Compatible for All Digital Inputs
■ Cascadable to Allow Additional Channels
■ Can Be Used as a Demultiplexer

APPLICATIONS
■ Data Acquisition Systems
■ Communication Systems
■ Signal Multiplexing/Demultiplexing