1B21AN

隔离回路供电电压 - 电流转换器 Isolated, Loop-Powered Voltage-to-Current Converter

Product Details

The 1B21 is an isolated voltage-to-current converter that incorporates a unique circuit design utilizing transformer based isolation and automated surface mount manufacturing technology. It provides an unbeatable combination of versatility and performance in a compact plastic package. Designed for individual applications, it is especially suited for harsh environments with extremely high common-mode interference.

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*Applications**

* Multichannel Process Control

* D/A Converter - Current Loop Interface

* Analog Transmitters and Controllers

* Remote Data Acquisition System

### Features and Benefits

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Wide Input Range: 0-1V to 0-10V

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High CMV Isolation: 1500V rms

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Programmable Output Ranges: 4mA to 20mA 0 to 20mA

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Load Resistance Range: 0 to 1.35kΩ max

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High Accuracy

Low Offset Tempco: ±300nA/°C

Low Gain Tempco: ±50ppm/°C

Low Nonlinearity: ±0.02%

High CMR: 90dB min

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Small Package: 0.7"x2.1"x0.35"

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Meets IEEE std. 472: Transient Protection SWC