AD590KF
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Analog Devices Inc. AD590KF

Manufacturer No:
AD590KF
Manufacturer:
Analog Devices Inc.
Package:
Tray
Description:
SENSOR ANALOG -55C-150C 2FLATPK
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD590KF is a 2-terminal integrated circuit temperature transducer produced by Analog Devices Inc. This device generates an output current that is proportional to absolute temperature, making it a versatile and reliable component for various temperature-sensing applications. The AD590KF operates within a wide power supply range of 4 V to 30 V and is calibrated to produce an output current of 298.2 μA at 25°C (298.2 K). The use of laser trimming for calibration ensures high accuracy and interchangeability among units.

Key Specifications

Parameter Min Typ Max Unit
Operating Voltage Range 4 - 30 V
Nominal Current Output @ 25°C (298.2 K) 298.2 298.2 - μA
Nominal Temperature Coefficient 1 1 - μA/K
Calibration Error @ 25°C - - ±0.5 °C
Absolute Error (Over Rated Performance Temperature Range) - - ±1.7 °C
Nonlinearity - - ±0.3 °C
Operating Temperature Range -55 - 150 °C
Package - - 2-Ceramic FLATPACK -

Key Features

  • High Accuracy and Interchangeability: The AD590KF is calibrated using laser trimming, ensuring high accuracy and making units easily interchangeable.
  • Wide Operating Voltage Range: The device operates with supply voltages between 4 V and 30 V, providing flexibility in various applications.
  • High Impedance Current Output: The output current is insensitive to voltage drops over long lines, making it suitable for remote sensing applications.
  • Low Power Requirements: The device consumes low power, typically 1.5 mW at 5 V and 25°C.
  • Electrical Durability: The AD590KF can withstand forward voltages up to 44 V and reverse voltages up to 20 V, ensuring robustness against supply irregularities.

Applications

  • Temperature Measurement: The AD590KF is suitable for any temperature-sensing application below 150°C, replacing conventional electrical temperature sensors.
  • Temperature Compensation and Correction: It can be used for temperature compensation or correction of discrete components and biasing proportional to absolute temperature.
  • Flow Rate Measurement and Level Detection: Applications include flow rate measurement, level detection of fluids, and anemometry.
  • Remote Sensing: The high impedance current output makes it ideal for remote sensing applications, allowing operation at hundreds of feet from the receiving circuitry.

Q & A

  1. What is the operating voltage range of the AD590KF?

    The AD590KF operates within a voltage range of 4 V to 30 V.

  2. What is the nominal current output of the AD590KF at 25°C?

    The nominal current output is 298.2 μA at 25°C (298.2 K).

  3. What is the temperature coefficient of the AD590KF?

    The nominal temperature coefficient is 1 μA/K.

  4. What is the calibration error of the AD590KF at 25°C?

    The calibration error at 25°C is ±0.5°C.

  5. What is the absolute error of the AD590KF over its rated performance temperature range?

    The absolute error over the rated performance temperature range is ±1.7°C.

  6. What is the nonlinearity of the AD590KF?

    The nonlinearity is ±0.3°C.

  7. What is the operating temperature range of the AD590KF?

    The operating temperature range is -55°C to 150°C.

  8. What package types are available for the AD590KF?

    The AD590KF is available in a 2-Ceramic FLATPACK package.

  9. Is the AD590KF suitable for remote sensing applications?

    Yes, the high impedance current output makes it ideal for remote sensing applications.

  10. What are some common applications of the AD590KF?

    Common applications include temperature measurement, temperature compensation, flow rate measurement, level detection, and anemometry.

Product Attributes

Sensor Type:Analog, Local
Sensing Temperature - Local:-55°C ~ 150°C
Sensing Temperature - Remote:- 
Output Type:Analog Current
Voltage - Supply:4V ~ 30V
Resolution:- 
Features:- 
Accuracy - Highest (Lowest):±2.5°C
Test Condition:25°C
Operating Temperature:-55°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:2-CFlatPack
Supplier Device Package:2-CeramicFlatpack
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$44.62
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