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