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LTC1293 - Single Chip 12-Bit Data Acquisition System

The input multiplexer can be configured for either single ended or differential inputs (or combinations thereof). An on-chip sample and hold is included for all single ended input channels. When the LTC1293/4/6 is idle it can be powered down in applications where low power consumption is desired. The LTC1296 includes a System Shutdown Output pin which can be used to power down external circuitry, such as signal conditioning circuitry prior to the input mux.

The serial I/O is designed to communicate without external hardware to most MPU serial ports and all MPU parallel I/O ports allowing up to eight channels of data to be transmitted over as few as three wires.

Features Software Programmable Features:Unipolar/Bipolar ConversionDifferential/Single Ended InputsMSB-First or MSB/LSB Data Built-In Sample and Hold Single Supply 5V or ±5V Operation Direct 4-Wire Interface to Most MPU Serial Ports and All MPU Parallel Ports 46.5kHz Maximum Throughput Rate System Shutdown Output (LTC1296) Typical Application

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