ADT7468ARQ-REEL7

Product Overview

Category

The ADT7468ARQ-REEL7 belongs to the category of integrated circuits (ICs) specifically designed for temperature monitoring and control applications.

Use

This product is primarily used in electronic systems where accurate temperature sensing and control are crucial, such as computer motherboards, industrial equipment, and automotive applications.

Characteristics

• Temperature range: The ADT7468ARQ-REEL7 can measure temperatures ranging from -40°C to +125°C.
• High accuracy: It provides precise temperature measurements with a resolution of 0.0625°C.
• Multiple sensor inputs: This IC supports up to eight external temperature sensors, allowing for comprehensive temperature monitoring.
• Digital interface: It communicates with the system controller through an I2C/SMBus-compatible serial interface.
• Alarm functionality: The ADT7468ARQ-REEL7 can generate alarms based on user-defined temperature thresholds.

Package

The ADT7468ARQ-REEL7 is available in a small outline integrated circuit (SOIC) package, which ensures ease of integration into various electronic systems.

Essence

The essence of the ADT7468ARQ-REEL7 lies in its ability to accurately monitor and control temperature within electronic systems, ensuring optimal performance and reliability.

Packaging/Quantity

This product is typically supplied in reels containing a specified quantity of ICs, with each reel holding a standard quantity of 250 units.

Specifications

• Supply voltage: 3.0V to 5.5V
• Resolution: 12 bits
• Temperature accuracy: ±1°C (maximum)
• Operating temperature range: -40°C to +85°C
• Communication interface: I2C/SMBus-compatible
• Sensor inputs: Up to 8 external temperature sensors

Detailed Pin Configuration

The ADT7468ARQ-REEL7 features a 16-pin SOIC package with the following pin configuration:

1. VCC: Power supply voltage
2. GND: Ground reference
3. ALERT#: Open-drain output for temperature alarm indication
4. SDA: Serial data input/output for I2C communication
5. SCL: Serial clock input for I2C communication
6. TACH: Tachometer input for fan speed monitoring
7. TIN0: External temperature sensor input 0
8. TIN1: External temperature sensor input 1
9. TIN2: External temperature sensor input 2
10. TIN3: External temperature sensor input 3
11. TIN4: External temperature sensor input 4
12. TIN5: External temperature sensor input 5
13. TIN6: External temperature sensor input 6
14. TIN7: External temperature sensor input 7
15. VDD: Power supply voltage
16. NC: No connection

Functional Features

1. Temperature Monitoring: The ADT7468ARQ-REEL7 can accurately measure temperatures from multiple external sensors, providing real-time temperature data.
2. Temperature Control: It enables precise temperature control by generating alarms when temperature thresholds are exceeded, allowing for timely intervention.
3. Fan Speed Monitoring: The tachometer input allows monitoring of fan speed, ensuring optimal cooling performance.
4. I2C Communication: The IC communicates with the system controller through the I2C/SMBus interface, facilitating seamless integration into various systems.

Advantages and Disadvantages

Advantages

• High accuracy temperature measurements
• Support for multiple external temperature sensors
• Alarm functionality for temperature threshold detection
• Compact and easy-to-integrate package

Disadvantages

• Limited to I2C/SMBus communication interface
• Relatively higher cost compared to simpler temperature sensors

Working Principles

The ADT7468ARQ-REEL7 operates by converting analog temperature signals from external sensors into digital data. It utilizes an internal 12-bit analog-to-digital converter (ADC) to achieve high-resolution temperature measurements. The IC communicates with the system controller through the I2C/SMBus interface, providing temperature data and receiving control commands.

Detailed Application Field Plans

The ADT7468ARQ-REEL7 finds extensive application in various fields, including:

1. Computer Motherboards: It ensures efficient thermal management by monitoring temperatures of critical components like CPUs and GPUs.
2. Industrial Equipment: The IC enables precise temperature control in industrial machinery, preventing overheating and ensuring optimal performance.
3. Automotive Applications: It plays a vital role in automotive systems, monitoring temperatures of engine components, batteries, and other critical parts.

Detailed and Complete Alternative Models

1. LM75A: A popular alternative with similar functionality, offering compatibility with both I2C and SMBus interfaces.
2. MAX31725: Another