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1B31:  Wide Bandwidth Strain Gage Signal Conditioner

Product Details

The 1B31 is a high performance strain gage signal-conditioning component that offers the industry's best price/performance solution for applications involving high-accuracy interface to strain gage transducers and load cells. Packaged in a 28-pin double DIP using hybrid technology, the 1B31 is a compact and highly reliable product. Functionally, the signal conditioner consists of three sections; a precision instrumentation amplifier, a two-pole low pass filter, and an adjustable transducer excitation.

  • Measurement of: Strain, Torque, Force, Pressure
  • Instrumentation: Indicators, Recorders, Controllers
  • Data Acquisition Systems
  • Microcomputer Analog I/O

    • Low Cost
    • Complete Signal-Conditioning Solution
    • Small Package: 28-Pin Double DIP
    • Internal Half-Bridge Completion Resistors
    • Remote Sensing
    • Programmable Bridge Excitation: +4V
      to +15 V
    • High Accuracy
      Low Drift: ±0.25µV/°C
      Low Noise: 0.3µV p-p
      Low Nonlinearity: ±0.005% max
      High CMR: 140dB min
      (60Hz, G=1000V/V)
    • Adjustable Low Pass Filter: fc=10Hz
      to 20kHz

    Functional Block Diagram for 1B31

    Of Note ...

    For information on accessories for the 1B31, please visit the AC1222 product page.


    Title Content Type File Type
    1B31: Wide Bandwidth Strain Gage Signal Conditioner Data Sheet  (Rev A, 10/2006) (pdf, 611 kB) Data Sheets PDF
    IOS Custom Product Worksheet
    As a Design Subcontractor, IOS believes it essential to engage with our customers early in the development cycle. Complete the form and it will be reviewed and you will be contacted by one of our design specialists.
    Custom Product Worksheet HTML
    Technology Overview Overview HTML
    IOS 3 Year Warranty  (pdf, 23 kB) Overview PDF
    IOS Short Form Brochure  (pdf, 2298 kB) Overview PDF
    RAQs index Rarely Asked Questions HTML
    Glossary of EE Terms Glossary HTML

    Evaluation Kits & Symbols & Footprints

    Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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    Price, packaging, availability

    Price Table Help

    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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