
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
Short Specifications
| Supply Voltage (VCC) | 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 |
General Documents
| Datasheet AM452 | |
| Product flyer AM452 | |
| IC package catalog |
Typical Application Circuits with Blockdiagram


Ordering Codes
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| Order number | Delivery form | |
|---|---|---|
| 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.