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Application Notes


AM462 - Industrial Voltage-to-Current Converter IC

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Package variants of the V/I-converter IC AM462
AM462 is an industrial voltage-to-current converter IC. It converts a single-ended input voltage into a current output signal with adjustable offset and gain. With its protection functions and integrated voltage and current source it is suitable for industrial sensing and signal-conditioning in current-loop or three-wire applications.


  • Sensor signal-conditioner
  • Current-loop transmitter
  • Front and back end IC for µC
  • Protected output stage
  • Industrial network driver
  • Industrial process control

Short Specifications

Supply Voltage (VCC)

6 .. 35 V (typ. 24 V)

Input voltage range

0 .. VCC-5 V (single-ended)

Current output

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

Reference voltage source

5 / 10 V (max. 10 mA)

Current source

0 .. 10 mA, adjustable

Temperature range

-40 °C .. 85 °C

Protection functions

Short circuit, reverse polarity, overvoltage

Package / Delivery forms

SO16(n), SSOP16, QFN28, on DIL16-adapter, sawn 6″ wafer on blue foil