Features and Benefits

  • 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

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
  • 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.

    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.