The AD590JH temperature Sensor is particularly useful in remote sensing applications.
The
AD590JH is a three-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 µA/K. Laser trimming of
the chip’s thin-film resistors is used to calibrate the device to 298.2
µA output at 298.2K (+25°C). The AD590 should be used in any temperature
sensing application below +150°Cin 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 AD590JH Temperature Sensor. 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 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. AD590 temperature sensor is in TO-52 Package form.
Linear Current Output : 1 mA/K
Wide Range : –558C to +1508C
Probe Compatible Ceramic Sensor Package
Three Terminal Device : Voltage In/Current Out
Laser Trimmed to 60.58C Calibration Accuracy (AD590JH)
Excellent Linearity : 60.38C Over Full Range (AD590JH)
Wide Power Supply Range : +4 V to +30 V
Sensor Isolation from Case
Low Cost
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The AD590JH temperature Sensor is particularly useful in remote sensing applications.
The
AD590JH is a three-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 µA/K. Laser trimming of
the chip’s thin-film resistors is used to calibrate the device to 298.2
µA output at 298.2K (+25°C). The AD590 should be used in any temperature
sensing application below +150°Cin 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 AD590JH Temperature Sensor. 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 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. AD590 temperature sensor is in TO-52 Package form.
Linear Current Output : 1 mA/K
Wide Range : –558C to +1508C
Probe Compatible Ceramic Sensor Package
Three Terminal Device : Voltage In/Current Out
Laser Trimmed to 60.58C Calibration Accuracy (AD590JH)
Excellent Linearity : 60.38C Over Full Range (AD590JH)
Wide Power Supply Range : +4 V to +30 V
Sensor Isolation from Case
Low Cost