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Updated at 02/11/2025 10:30:15(UTC+8)

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Description

The AD590 series 2-terminal Temperature Transducer produces an output current proportional to absolute temperature. For supply voltages between 4 and 30V, the device acts as a high impedance, constant current regulator passing 1µA/K. Laser trimming of the chip"s thin-film resistors is used to calibrate the device to 298.2µA output at 298.2K (25°C). The high output impedance (>10MR) provides excellent rejection of supply voltage drift. The AD590 is electrically durable: it withstands a forward voltage of up to 44 V and a reverse voltage of 20 V. Therefore, supply irregularities or pin reversal does not damage the device.
2-terminal Device - voltage in/current out
1µA/K Linear current output

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AD590LH Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	3 Pin
Case/Package	TO-52-3
Supply Voltage (DC)	4.00V (min)
Output Current	298 µA
Number of Positions	3 Position
Forward Voltage	44.0 V
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-55 ℃
Accuracy	±1℃ (Max)
Supply Voltage	4V ~ 30V
Supply Voltage (Max)	30 V
Supply Voltage (Min)	4 V
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Size-Length	5.84 mm
Size-Width	5.84 mm
Size-Height	3.81 mm
Operating Temperature	-55℃ ~ 150℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2014/06/16

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