Programmable, Isolated Voltage-to-Current Converter

The 1B22 is an isolated voltage-to-current converter that incorporates transformer isolation to achieve high performance and automated surface mount manufacturing for low cost and increased reliability. Designed for industrial applications, it is especially suited for harsh environments with extremely high common mode interference. With programmable inputs and outputs, the 1B22 provides an unbeatable combination of versatility and performance in a compact plastic package.

APPLICATIONS

* Multichannel Process Control

* D/A Converter - Current Loop Interface

* Analog Transmitters and Controllers

* Remote Data Acquisition System

* Internal Isolated Loop Supply Drives 1000 Ω Load

* Pin Programmable Inputs: 0 V to +5 V or 0 V to +10 V

* Pin Programmable Outputs: 4 to 20 mA or 0 to 20 mA

* High CMV Isolation: 1500 V RMS

* Normal-Mode Output Protection: 240 V RMS