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AD590KRZ

Name: AD590KRZ
Rating: 4.7 (12 reviews)

SENSOR ANALOG -55C-150C 8SOIC

製造商
製造商。部分 #AD590KRZ
包 8-SOIC (0.154, 3.90mm Width)
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規格

Supplier	Analog Devices Inc.
Package	Tube
ProductStatus	Active
SensorType	Analog, Local
SensingTemperature-Local	-55°C ~ 150°C
OutputType	Analog Current
Voltage-Supply	4V ~ 30V
Accuracy-Highest(Lowest)	±2.5°C
TestCondition	25°C
OperatingTemperature	-55°C ~ 125°C
MountingType	Surface Mount
Package/Case	8-SOIC (0.154, 3.90mm Width)

概述

Description

AD590KRZ is Analog Devices’ two-terminal, current-output temperature transducer. It converts absolute temperature into a proportional output current (about 1 µA per kelvin, Iout ≈ T(K) µA). It operates from a single supply (roughly 4–30 V) over a wide range (≈ -55°C to +125°C). The output current can be converted to voltage with a simple resistor (Vout = Iout × R). The KRZ suffix denotes a specific package/variant of the part. Common uses include inexpensive, accurate temperature sensing for instrumentation, industrial controls, and remote sensing where a current or resistor-based voltage interface is convenient.

Features

AD590KRZ features:
- Two-terminal, monolithic temperature transducer with current output
- Iout proportional to absolute temperature: Iout ≈ 1 µA/K × T(K)
- Easy interface: convert to voltage with a load resistor (Vout = Iout × Rload)
- Wide supply range: typically 4.5 V to 30 V
- Factory-calibrated for good accuracy and long-term stability
- Suitable for industrial temp ranges with linear, repeatable response
- RoHS-compliant KRZ package variant available
Note: Iout and ranges are tied to ambient temperature; no external reference required for voltage output.

Package

The AD590KRZ is in a TO-92 plastic 3‑lead package (TO-92-3), RoHS compliant.

Pinout

- Pin count: 2 pins (two‑terminal device).
- Function: temperature‑to‑current transducer — outputs a current proportional to absolute temperature (nominally 1 µA/K). One lead is the output/current source terminal and the other is the return/reference (ground) terminal. The AD590KRZ is the TO‑92 (K) package / tape‑and‑reel (RZ) variant.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI).
Kind of company: A multinational American semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing (DSP) integrated circuits and related components.

Application

AD590KRZ is a current-output, linear temperature sensor. Iout ≈ 1 µA/K × T(K), convertible to voltage with a load resistor. Applications: industrial/process control (temp monitoring, control loops, thermal compensation); automotive (engine/cabin temperature sensing, HVAC); data acquisition/instrumentation (temp measurement for PLCs, dataloggers); medical instrumentation; environmental monitoring; any system needing a rugged, easy-to-read temperature transducer.

Equivalent

AD590KRZ is a two-terminal current-output temperature sensor (Iout ≈ 1 μA/K). Direct equivalents are limited. Closest drop-in substitute: AD592 (Analog Devices) – another current-output temp transducer in the same family. If a voltage output is acceptable, you can use LM135/LM335/LM60 family (≈10 mV/K) with an I–V conversion. In practice, there are few exact pin-for-pin crosses; check distributor cross-reference data forAD/TI/NXP equivalents.