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.
20 mA operation
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.
AD6-93.pdf