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AD693 - Loop-Powered 4.20 mA Sensor Transmitter

This page provides the datasheet information for the AD693, a member of the AD6 Loop-Powered 4.20 mA Sensor Transmitter family.

Description

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.

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 to 3.5 mA of Current Available Uncommitted Auxiliary Amp for Extra Flexibility Optional External Pass Transistor to Reduce Self-Heating Errors Loop-Powered 4.
  • 20 mA Sensor Transmitter AD693 FU.

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Datasheet preview – AD693

Datasheet Details

Part number AD693
Manufacturer Analog Devices
File Size 496.90 KB
Description Loop-Powered 4.20 mA Sensor Transmitter
Datasheet download datasheet AD693 Datasheet
Additional preview pages of the AD693 datasheet.

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Full PDF Text Transcription

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a 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 to 3.5 mA of Current Available Uncommitted Auxiliary Amp for Extra Flexibility Optional External Pass Transistor to Reduce Self-Heating Errors Loop-Powered 4–20 mA Sensor Transmitter AD693 FUNCTIONAL BLOCK DIAGRAM PRODUCT DESCRIPTION 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.
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