AM452 - Voltage-to-Current Converter IC

Datasheet

AM452 is a voltage-to-current converter IC with integrated protection functions suitable for sensing applications with current driven Wheatstone bridges. It converts a differential input voltage into an adjustable current output signal. The IC is suitable for two- and three-wire operation and compatible with HART-modems.

Applications

Sensor signal-conditioner
Current-loop transmitter

Protected V/I-converter
Compatible with HART-modems

Industrial network driver
Industrial process control

Sensor signal-conditioner
Current-loop transmitter
Protected V/I-converter

Compatible with HART-modems
Industrial network driver
Industrial process control

Short Specifications

Supply Voltage (V_CC)	6 .. 35 V (typ. 24 V)
Input voltage range	0 .. ±400 mV (differential)
Current output	e.g. 4 .. 20 mA (two-wire) and 0 .. 20 mA (three-wire), adjustable
Reference voltage source	5 / 10 V (max. 10 mA)
Current source	0 .. 10 mA, adjustable
Temperature range	-40 °C .. 85 °C
Protected against:	Short circuit, reverse polarity, overvoltage
Package / Delivery forms	SO16(n), on DIL16-adapter, sawn 6″ wafer on blue foil
RoHS status	compliant (RoHS certificate)

General Documents

Datasheet AM452	Datasheet
Product flyer AM452	Flyer
IC package catalog	Package catalog

For die size and padout please contact sales@analogmicro.de.

Typical Application Circuits with Blockdiagram

AM452 as protected sensor signal-conditioner with three-wire current output. — Protected sensor signal-conditioner in three-wire operation with current output signal (e.g. 0 .. 20 mA):

AM452 as sensor signal-conditioner with protected current-loop output. — Sensor signal-conditioner with protected current-loop output (e.g. 4 .. 20 mA):

Ordering Codes and Product Inquiry / Samples

For product inquiry choose your desired products and choose "Go to contact form". You will be redirected to the inquiry form then.

Order number	Delivery form	Inquiry
AM452-0-SO16	SO16(n) package
AM452-WAF	sawn wafer on 6″ blue foil
AM452-Adapt	AM452 soldered to an SO16-DIL16 adapter

Accessories

No accessories available for this product.