Two Terminal IC Temperature Transducer

The AD590 is a two-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 298.2K (25C). The AD590 should be used in any temperature sensing application below 150C in which conventional electrical Temperature Sensors are currently employed. The inherent low cost of a monolithic integrated circuit combined with the elimination of support circuitry makes the AD590 an attractive alternative for many temperature measurement situations. Linearization circuitry, precision voltage Amplifiers resistance measuring circuitry and cold junction compensation are not needed in applying the AD590.
In addition to temperature measurement, applications include temperature compensation or correction of Discrete components, biasing proportional to absolute temperature, flow rate measurement, level detection of fluids and anemometry. The AD590 is available in chip form making, it suitable for hybrid circuits and fast temperature measurements in protected environments.
The AD590 is particularly useful in remote sensing applications. The device is insensitive to voltage drops over long lines due to its high impedance current output. Any well insulated twisted pair is sufficient for operation hundreds of feet from the receiving circuitry. The output characteristics also make the AD590 easy to multiplex: the current CAN be switched by a CMOS multiplexer or the supply voltage CAN be switched by a Logic Gate output.
By Analog Devices, Inc.
AD590 's PackagesAD590 's pdf datasheet
5962-8757101XA
5962-8757101YA TO-52
5962-8757102XA
5962-8757102YA TO-52
5962-8757103XA
5962-8757103YA TO-52
5962-8757104XA
5962-8757104YA TO-52
AD590JCHIPS
AD590JF
AD590JF-883B
AD590JFZ
AD590JH TO-52
AD590JH-883B TO-52
AD590JR SOIC
AD590JR-REEL SOIC
AD590JRZ SOIC
AD590JRZ-RL SOIC
AD590KF
AD590KF-883B
AD590KH TO-52
AD590KH-883B TO-52
AD590KR SOIC
AD590KR-REEL SOIC
AD590KRZ SOIC
AD590KRZ-RL SOIC
AD590LF
AD590LF-883B
AD590LH TO-52
AD590LH-883B TO-52
AD590MF
AD590MF-883B
AD590MH TO-52
AD590MH-883B TO-52




AD590 Pinout, Pinouts
AD590 pinout,Pin out
This is one package pinout of AD590,If you need more pinouts please download AD590's pdf datasheet.

AD590 Application circuits
AD590 circuits
This is one application circuit of AD590,If you need more circuits,please download AD590's pdf datasheet.


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