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Wednesday, July 05, 2006

Thermocouple Amplifier Circuit

Thermocouple amplifier circuit for convert signal form thermocouple to
voltage gain 10mV/?C

Monolithic Thermocouple Amplifier with Cold Junction Compensation
Pretrimmed for Type K Thermocouples

Product Description
The AD594/AD595 is a complete instrumentation amplifier and
thermocouple cold junction compensator on a monolithic chip.
It combines an ice point reference with a precalibrated amplifier to
produce a high level (10 mV/?C) output directly from a thermocouple
signal. Pin-strapping options allow it to be used as a linear
amplifier-compensator or as a switched output setpoint controller
using either fixedor remote setpoint control. It can be used to amplify
its compensation voltage directly, thereby converting it to a stand-alone
Celsius transducer with a low impedance voltage output