ON Semiconductor
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ADT7461ARZ
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ADT7461ARZ

Product Overview

The ADT7461ARZ is a temperature sensor and fan controller belonging to the category of integrated circuits. It is commonly used in electronic devices to monitor and control temperature, particularly in computer systems and other electronic equipment. The ADT7461ARZ is known for its high accuracy, compact package, and versatile functionality. It is typically available in small surface-mount packages and is often sold in quantities suitable for production runs.

Specifications

  • Temperature Measurement Range: -40°C to +125°C
  • Supply Voltage: 3.0V to 3.6V
  • Fan Control: PWM or DC fan control
  • Package Type: 24-Lead QSOP
  • Resolution: 0.125°C
  • Interface: I2C

Detailed Pin Configuration

The ADT7461ARZ features a 24-pin QSOP package with pins dedicated to power supply, temperature inputs, fan control outputs, and communication interfaces such as I2C.

Functional Features

  • Accurate temperature sensing
  • Flexible fan control options
  • Small form factor
  • I2C interface for easy integration
  • Low power consumption

Advantages and Disadvantages

Advantages

  • High accuracy in temperature measurement
  • Versatile fan control options
  • Compact package size
  • Low power consumption

Disadvantages

  • Limited temperature measurement range compared to some alternatives
  • May require additional components for certain applications

Working Principles

The ADT7461ARZ utilizes internal temperature sensors to accurately measure the temperature of the surrounding environment. It then uses this information to control the speed of cooling fans, ensuring that the temperature remains within safe operating limits. The I2C interface allows for seamless communication with microcontrollers and other devices.

Detailed Application Field Plans

The ADT7461ARZ is commonly used in computer systems, servers, and other electronic equipment where precise temperature monitoring and fan control are essential. It is also found in industrial applications where maintaining optimal operating temperatures is critical for equipment reliability.

Detailed and Complete Alternative Models

  • LM75A: Offers similar temperature sensing capabilities with a wider temperature range
  • MAX31725: Provides advanced fan control features with multiple temperature inputs

In conclusion, the ADT7461ARZ is a versatile temperature sensor and fan controller widely used in electronic devices for precise temperature monitoring and fan speed control. Its compact package, accurate temperature sensing, and flexible fan control options make it a popular choice for various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací ADT7461ARZ v technických řešeních

  1. What is the ADT7461ARZ?

    • The ADT7461ARZ is a digital temperature sensor and fan controller designed for use in PC and workstation thermal management systems.

  2. How does the ADT7461ARZ measure temperature?

    • The ADT7461ARZ uses an on-chip temperature sensor to accurately measure the ambient temperature.

  3. Can the ADT7461ARZ control multiple fans?

    • Yes, the ADT7461ARZ can control up to four fans using pulse width modulation (PWM) signals.

  4. What is the communication interface of the ADT7461ARZ?

    • The ADT7461ARZ communicates with the system through an I2C-compatible interface.

  5. Is the ADT7461ARZ suitable for automotive applications?

    • No, the ADT7461ARZ is not recommended for automotive applications due to its specific design for PC and workstation thermal management.

  6. What is the operating voltage range of the ADT7461ARZ?

    • The ADT7461ARZ operates within a voltage range of 3.0V to 3.6V.

  7. Does the ADT7461ARZ have built-in fault detection?

    • Yes, the ADT7461ARZ features built-in fault detection for over-temperature and fan failure conditions.

  8. Can the ADT7461ARZ be used in conjunction with other temperature sensors?

    • Yes, the ADT7461ARZ can be used alongside other temperature sensors to provide comprehensive thermal monitoring.

  9. What is the typical accuracy of the temperature measurements from the ADT7461ARZ?

    • The ADT7461ARZ typically provides temperature measurement accuracy within ±1°C.

  10. Are there any specific layout considerations for using the ADT7461ARZ in a PCB design?

    • Yes, it is important to follow the layout guidelines provided in the datasheet to ensure proper performance and noise immunity.

Feel free to ask if you need further information on any of these questions!