1B22AN

ANALOG DEVICES  1B22AN.  芯片, 电压/电流转换器, 12-DIP

Product Details

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

### Features and Benefits

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Internal Isolated Loop Supply Drives 1000 Ω Load

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

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

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High CMV Isolation: 1500 V RMS

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Normal-Mode Output Protection: 240 V RMS

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High Accuracy

Low Offset Tempco: ±300nA/°C

Low Gain Tempco: ±50ppm/°C

Low Nonlinearity: ±0.02% 

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High CMR: 90dB min

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Small Package: 1.0"x2.10"x0.35"

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Meets IEEE std. 472: CMV Transient Protection SWC