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Description:Two-Twrminal IC Temperature Transducer
Manufacturer:Analog Devices
Datasheet:PDF (3.05M).
Click here to download *)

The AD590 is a 2-terminal integrated circuit temperature transducer that produces an output current proportional to absolute temperature. For supply voltages between 4 V and 30 V the device acts as a high-impedance, constant current regulator passing 1 A/K. Laser trimming of the chip's thin-film resistors is used to calibrate the device to 298.2 A output at 298.2 K (25C).

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