AD421 Datasheet - Analog Devices

Loop-Powered 4 mA to 20 mA DAC

AD421 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

AD421 General Description

40⍀ 80k⍀ LOOP RTN 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 i.

AD421 Datasheet (171.53 KB)