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AM422-1 - Voltage-to-Current Converter IC for 3-Wire Operation

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Package variants of the V/I-converter IC AM422-1
AM422-1 is a compact voltage-to-current converter IC for 3-wire operation with integrated protection functions and voltage source. It converts a single-ended input voltage into a current output signal with adjustable offset and gain. The IC is especially suitable for price sensitive industrial applications with single-ended input signals.

Applications

  • Sensor signal-conditioner
  • Industrial current output driver
  • Protected V/I-converter IC
  • Analog back end for µC
  • Voltage driven current source
  • Industrial process control

Short Specifications

Supply Voltage (VCC)

6 .. 35 V (typ. 24 V)

Input voltage range

0 .. 1.15 V (single-ended)

Current output

e.g. 0 .. 20 mA or 4 .. 20 mA (three-wire), adjustable

Reference voltage source

5 / 10 V (max. 10 mA)

Temperature range

-40 °C .. 85 °C

Protection functions

Reverse polarity protection, output current limitation

Package / Delivery forms

SO8, on DIL8-adapter, sawn 6″ wafer on blue foil