GENERAL DESCRIPTION

The AD421 is a complete, loop-powered, digital to 4 mA to 20 mA converter, designed to meet the needs of smart transmitter manufacturers in the Industrial Control industry. It provides a high precision, fully integrated, low cost solution in a compact 16-lead package. The AD421 is ideal for extending the resolution of smart 4 mA to 20 mA transmitters at very low cost.

FEATURES

4 mA to 20 mA Current Output

HART® Compatible

16-Bit Resolution and Monotonicity

0.01 Integral Nonlinearity

5 V or 3 V Regulator Output

2.5 V and 1.25 V Precision Reference

750 A Quiescent Current max

Programmable Alarm Current Capability

Flexible High Speed Serial Interface

16-Lead SOIC and PDIP Packages

参考价格：61.7268

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