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1B22:  PROGRAMMABLE, ISOLATED VOLTAGE-TO-CURRENT CONVERTER

The 1B22 is an isolated voltage-to-current converter that incorporates transformer isolation to achieve high performance and automated surface mount manufacturing for low cost and increased reliability. Designed for industrial applications, it is especially suited for harsh environments with extremely high common mode interference. With programmable inputs and outputs, the 1B22 provides an ...More

1B22:  PROGRAMMABLE, ISOLATED VOLTAGE-TO-CURRENT CONVERTER

Product Description

The 1B22 is an isolated voltage-to-current converter that incorporates transformer isolation to achieve high performance and automated surface mount manufacturing for low cost and increased reliability. Designed for industrial applications, it is especially suited for harsh environments with extremely high common mode interference. With programmable inputs and outputs, the 1B22 provides an unbeatable combination of versatility and performance in a compact plastic package.

Applications
  • Multichannel Process Control
  • D/A Converter - Current Loop Interface
  • Analog Transmitters and Controllers
  • Remote Data Acquisition System

    • RESOURCES & TOOLS

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    • Internal Isolated Loop Supply Drives 1000 Ω Load
    • Pin Programmable Inputs: 0 V to +5 V or 0 V to +10 V
    • Pin Programmable Outputs: 4 to 20 mA or 0 to 20 mA
    • High CMV Isolation: 1500 V RMS
    • Normal-Mode Output Protection: 240 V RMS
    • High Accuracy
      Low Offset Tempco: ±300nA/°C
      Low Gain Tempco: ±50ppm/°C
      Low Nonlinearity: ±0.02%
      High CMR: 90dB min
    • Small Package: 1.0"x2.10"x0.35"
    • Meets IEEE std. 472: CMV Transient Protection (SWC)
    • Supply Voltage (v): ±15V
    • Input Type: Vin
    • Input Range: 0-1V to 0-10V
    • Isolated: Y
    • Bandwidth (Hz): 400Hz
    • Output Type: V
    • Output Range : 4-20mA, 0-20mA

    Functional Block Diagram for 1B22

    Of Note ...

    For information on accessories for the 1B22, please visit the AC1225 product page.

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    The package for this IC (i.e. DIP, SOIC, BGA). An Evaluation Board is a board engineered to show the performance of the model, the part is included on the board.

    For detailed drawings and chemical composition please consult our  Package Site

    Pin Count
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    Temperature Range
    This is the acceptable operating range of the device. The various ranges specified are as follows:
    • Commercial: 0 to +70 degrees Celsius
    • Military : -55 to +125 degrees Celsius
    • Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
    • Automotive: -40 to +125 degrees Celsius
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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.
    **Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.