ADT7473ARQZ-1R7

Product Overview

Category

The ADT7473ARQZ-1R7 belongs to the category of integrated circuit (IC) temperature sensors.

Use

This product is primarily used for monitoring and controlling temperature in electronic devices and systems.

Characteristics

• Integrated circuit temperature sensor
• High accuracy and precision
• Digital output interface
• Wide operating temperature range
• Small form factor
• Low power consumption

Package

The ADT7473ARQZ-1R7 is available in a compact and industry-standard 24-pin quad flat package (QFP).

Essence

The essence of the ADT7473ARQZ-1R7 lies in its ability to accurately measure temperature and provide digital output for temperature monitoring and control purposes.

Packaging/Quantity

The ADT7473ARQZ-1R7 is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Temperature Measurement Range: -40°C to +125°C
• Resolution: 0.0625°C
• Accuracy: ±1°C
• Supply Voltage: 2.7V to 5.5V
• Interface: I2C/SMBus compatible
• Operating Current: 200µA (typical)
• Shutdown Current: 1µA (typical)

Detailed Pin Configuration

The ADT7473ARQZ-1R7 has a total of 24 pins, each serving a specific function. The pin configuration is as follows:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. SDA: Serial data input/output for I2C communication
4. SCL: Serial clock input for I2C communication
5. ALERT#: Open-drain output for temperature alert
6. TACH1: Tachometer input 1
7. TACH2: Tachometer input 2
8. PWM1: Pulse-width modulation output 1
9. PWM2: Pulse-width modulation output 2
10. VCCP: Power supply voltage for internal circuitry
11. VDDP: Power supply voltage for I/O pins
12. GNDP: Ground reference for I/O pins
13. VREF: Reference voltage output
14. AD0: Address select bit 0
15. AD1: Address select bit 1
16. AD2: Address select bit 2
17. INT#: Interrupt output
18. SDA2: Second serial data input/output for I2C communication
19. SCL2: Second serial clock input for I2C communication
20. TACH3: Tachometer input 3
21. TACH4: Tachometer input 4
22. PWM3: Pulse-width modulation output 3
23. PWM4: Pulse-width modulation output 4
24. ALERT2#: Second open-drain output for temperature alert

Functional Features

The ADT7473ARQZ-1R7 offers the following functional features:

1. Temperature Measurement: Accurately measures temperature within a wide range.
2. Digital Output: Provides digital temperature readings for easy integration with microcontrollers and other digital systems.
3. Alert Functionality: Generates alerts when temperature exceeds user-defined thresholds.
4. Tachometer Inputs: Allows monitoring of fan speeds or other rotating devices.
5. Pulse-Width Modulation (PWM) Outputs: Enables control of cooling fans or other devices based on temperature readings.

Advantages and Disadvantages

Advantages

• High accuracy and precision in temperature measurement
• Compact form factor for easy integration into various systems
• Wide operating temperature range allows for versatile applications
• Digital output simplifies data processing and analysis
• Alert functionality enhances system safety and reliability

Disadvantages

• Limited to I2C/SMBus interface, may not be compatible with all systems
• Accuracy of ±1°C may not be sufficient for certain critical applications
• Requires external components for fan control or tachometer functionality

Working Principles

The ADT7473ARQZ-1R7 utilizes a built-in temperature sensor to measure the ambient temperature. The analog temperature reading is then converted into a digital format using an internal analog-to-digital converter (ADC). The digital temperature value is communicated through the I2C/SMBus interface, allowing easy integration with microcontrollers and other digital systems.

Detailed Application Field Plans

The ADT7473ARQZ-1R7 finds application in various fields, including:

1. Computer Systems: Monitoring and controlling temperature in desktop computers, laptops, servers, and other computing devices.
2. Consumer Electronics: Temperature management in televisions, gaming consoles, audio amplifiers, and other electronic appliances.