AD693, AD6 Datasheet - Analog Devices

AD693 Loop-Powered 4.20 mA Sensor Transmitter

PRODUCT HIGHLIGHTS The AD693 is a monolithic signal conditioning circuit which accepts low-level inputs from a variety of transducers to control a standard 4 *20 mA, two-wire current loop. An on-chip voltage reference and auxiliary amplifier are provided for transducer excitation; up to 3.5.

AD693 Features

* Instrumentation Amplifier Front End Loop-Powered Operation Precalibrated 30 mV or 60 mV Input Spans Independently Adjustable Output Span and Zero Precalibrated Output Spans: 4

* 20 mA Unipolar 0

* 20 mA Unipolar 12 ؎ 8 mA Bipolar Precalibrated 100 ⍀ RTD Interface 6.2 V Reference with Up

AD693, AD6 Datasheet