LTC1294DCSW#TRPBF

ADCs/DACs - Special Purpose Overview

The LTC1294DCSW#TRPBF is a single-chip 12-bit data acquisition system manufactured by Analog Devices Inc. It integrates an 8-channel analog multiplexer, sample-and-hold circuit, and successive approximation A/D converter. The device supports unipolar or bipolar conversions with a maximum throughput rate of 46.5ksps. It operates on a single +5V supply or ±5V supplies, drawing 6.0mA during active conversion and 50µA in power shutdown mode. The component utilizes a synchronous half-duplex serial interface compatible with most microprocessor ports.

ADCs/DACs - Special Purpose Feature Summary

• Integrated 12-bit SAR ADC with 8-channel input multiplexer
• Software programmable for unipolar/bipolar modes and MSB/LSB output sequences
• Low power consumption: 6.0mA active current, 50µA in shutdown mode
• Direct 4-wire serial interface to MPU ports without external hardware

ADCs/DACs - Special Purpose Applications

• Industrial process control systems requiring multi-channel signal acquisition
• Data logging equipment with low power requirements
• Strain gauge bridge measurements and sensor interfaces
• Portable instrumentation powered by single 5V supplies

ADCs/DACs - Special Purpose Procurement Notes

Verify the ordering suffix #TRPBF indicates tape and reel packaging when sourcing this specific part number. Confirm that the DC suffix corresponds to the commercial temperature range (0°C to 70°C) as specified in the datasheet. Ensure the source document matches the manufacturer's official specifications for the LTC1294 family.

ADCs/DACs - Special Purpose Selection Notes

Select the LTC1294DCSW#TRPBF when eight analog channels are required within a 20-lead SOIC-W package. Choose this model over the LTC1293 if differential input support is needed, or over the LTC1296 if the System Shutdown Output (SSO) pin is not required. Verify that the 46.5ksps sampling rate meets the application bandwidth constraints.

ADCs/DACs - Special Purpose Part Context

This component belongs to the LTC1293/LTC1294/LTC1296 family of single-chip data acquisition systems. The LTC1294 specifically provides eight input channels with differential capability, distinguishing it from the six-channel LTC1293 and the eight-channel LTC1296 which includes a System Shutdown Output pin. All variants share identical core ADC performance and serial interface protocols.

ADCs/DACs - Special Purpose Replacement Considerations

Publicly confirmed substitute part numbers include LTC1294CCSW#TRPBF and LTC1294BCSW#TRPBF. These alternatives differ primarily in operating temperature ranges and electrical parameter tolerances rather than functional architecture.