AD421 - Loop-Powered 4 mA to 20 mA DAC

Product Overview

Analog Devices

Datasheet Details

Part number	AD421
Manufacturer	Analog Devices
File Size	171.53 KB
Description	Loop-Powered 4 mA to 20 mA DAC
Datasheet	AD421 Datasheet
Additional preview pages of the AD421 datasheet.

Product details

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 is ideal for extending the resolution of smart 4 mA to 20 mA transmitters at very low cost.The AD421 includes a selectable regulator that is used to power itself and other devices in the transmitter.

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 DATA CLOCK LATCH REF IN (+2.5V) Loop-Powered 4 mA to 20 mA DAC AD421.

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Other Datasheets by Analog Devices

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Published: Mar 23, 2005 |