Overview

Features and Benefits

  • Programmable Features
    • Unipolar/Bipolar Conversions
    • Differential/Single-Ended Multiplexer Configurations
  • Sample-and-Holds
  • Single Supply 5V, 10V or ±5V Operation
  • Direct 3- or 4-Wire Interface to Most MPU Serial Ports and All MPU Parallel I/O Ports
  • Analog Inputs Common Mode to Supply Rails
  • Resolution: 10 Bits
  • Total Unadjusted Error (A Grade): ±1LSB Over Temp
  • Fast Conversion Time: 20µs
  • Low Supply Current
    • LTC1091: 3.5mA Max, 1.5mA Typ
    • LTC1092/LTC1093/LTC1094: 2.5mA Max, 1mA Typ

Product Details

 The high impedance analog inputs and the ability to operate with reduced spans (below 1V full scale) allow direct connection to sensors and transducers in many applications, eliminating the need for gain stages.

An efficient serial port communicates without external hardware to most MPU serial ports and all MPU parallel I/O ports allowing eight channels of data to be transmitted over as few as three wires. This, coupled with low power consumption, makes remote location possible and facilitates transmitting data through isolation barriers.

Temperature drift of offset, linearity and full-scale error are all extremely low (1ppm/°C typically) allowing all grades to be specified with offset and linearity errors of ±0.5LSB maximum over temperature. In addition, the A grade devices are specified with full-scale error and total unadjusted error (including the effects of offset, linearity and full-scale errors) of ±1LSB maximum over temperature. The lower grade has a full-scale specification of ±2LSB for applications where full scale is adjustable or less critical.

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Product Recommendations

LTC1094 Companion Parts

Recommended µModule Isolator

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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