Pressure Sensors
Design Support
Application Notes


AM401 - Industrial Voltage Amplifier IC

OverviewDetailsAccessoriesDocumentsInquiry / Samples
Package variants of the voltage amplifier IC AM401
AM401 is an amplifier IC for differential and single-ended input voltages suitable for industrial sensing and signal-conditioning applications. Its modular design, integrated reference voltage source and integrated protection functions allow a wide range of industrial applications.


  • Sensor signal-conditioner
  • Adjustable voltage source
  • Front and back end IC for µC
  • Impedance converter
  • Protected output stage
  • Industrial process control

Short Specifications

Supply voltage (VCC)

6 .. 35 V (typ. 24 V)

Input voltage range

0 .. 5 V (single-ended), 0 .. ±400 mV (differential)

Voltage output

e.g. 0 .. 10 V, adjustable

Reference voltage source

5 / 10 V (max. 10 mA)

Current source

0 .. 10 mA, adjustable

Temperature range

-40 °C .. 85 °C

Protection functions

Reverse polarity protection, short circuit protection, output current limitation

Package / Delivery forms

SO16, SSOP16, QFN16, on DIL16-adapter, sawn 6″ wafer on blue foil