The AD596AHZ is a monolithic Temperature Set-point Controller that has been optimized for use at elevated temperatures. The device cold junction compensates and amplifies at type J thermocouple input to derive an internal signal proportional to temperature. Dead-Band or switching hysteresis can be programmed using single external resistor. The device includes a thermocouple failure alarm that indicates an open thermocouple lead when operated in temperature proportional measurement mode. The alarm output has a flexible format. High quality instrumentation amplifier that allows the thermocouple to float over most of the supply voltage range.
Built-in ice point compensation
Temperature proportional operation 10mV/°C
Temperature set-point operation ON/OFF
Programmable switching hysteresis
High impedance differential input
Linearization not required for thermocouple temperatures close to 100 to 540°C
In stand-alone mode the device produces an output voltage that indicates its own temperature
