Analog Devices Inc.
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AD590JR
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AD590JR

Product Overview

Category: Temperature Sensor
Use: Measure and monitor temperature in electronic systems
Characteristics: High accuracy, wide temperature range, low power consumption
Package: TO-92, SOIC, or SOT-23
Essence: Precision temperature measurement
Packaging/Quantity: Typically available in reels of 2500 units

Specifications

  • Temperature Range: -55°C to +150°C
  • Accuracy: ±1°C at +25°C
  • Supply Voltage: 4V to 30V
  • Current Consumption: 120µA
  • Output Voltage: 500mV at 25°C

Detailed Pin Configuration

  1. GND
  2. VOUT
  3. NC (No Connection)
  4. V+

Functional Features

  • Directly interfaces with a microcontroller or ADC
  • Linear output voltage proportional to temperature
  • Low self-heating
  • Wide operating temperature range

Advantages and Disadvantages

Advantages: - High accuracy - Low power consumption - Wide temperature range

Disadvantages: - Limited output voltage range - Requires external calibration for high precision applications

Working Principles

The AD590JR operates on the principle of a silicon diode's temperature-dependent voltage. As the temperature changes, the voltage across the diode varies linearly, providing an accurate representation of the ambient temperature.

Detailed Application Field Plans

  1. Industrial Control Systems: Monitoring and controlling temperature in manufacturing processes.
  2. Automotive: Engine temperature monitoring and climate control systems.
  3. Medical Devices: Precise temperature measurement in medical equipment.

Detailed and Complete Alternative Models

  1. LM35: Analog temperature sensor with similar accuracy and range.
  2. TMP36: Low-voltage, precision analog output temperature sensor.

In conclusion, the AD590JR is a versatile temperature sensor suitable for various applications due to its high accuracy, wide temperature range, and low power consumption. Its linear output voltage and compatibility with microcontrollers make it an ideal choice for temperature monitoring and control in diverse industries.

10個與AD590JR在技術方案中應用相關的常見問題與解答

  1. What is the operating temperature range of AD590JR?

    • The operating temperature range of AD590JR is -55°C to +150°C.

  2. How does AD590JR provide temperature measurement?

    • AD590JR provides temperature measurement by converting temperature into a proportional current output.

  3. What is the typical supply voltage for AD590JR?

    • The typical supply voltage for AD590JR is +5V.

  4. Can AD590JR be used for cold-junction compensation in thermocouple applications?

    • Yes, AD590JR can be used for cold-junction compensation in thermocouple applications.

  5. What is the accuracy of temperature measurement with AD590JR?

    • The accuracy of temperature measurement with AD590JR is typically ±1°C.

  6. Is AD590JR suitable for industrial temperature control systems?

    • Yes, AD590JR is suitable for industrial temperature control systems due to its wide temperature range and accuracy.

  7. Does AD590JR require external calibration?

    • No, AD590JR does not require external calibration as it is factory calibrated.

  8. Can AD590JR be used in automotive applications?

    • Yes, AD590JR can be used in automotive applications due to its wide operating temperature range.

  9. What is the output impedance of AD590JR?

    • The output impedance of AD590JR is typically 1Ω.

  10. Are there any specific precautions to consider when using AD590JR in high-temperature environments?

    • It is important to ensure proper heat dissipation and thermal management when using AD590JR in high-temperature environments to maintain accuracy and reliability.