ADT7460ARQ-REEL7

Product Overview

Category

The ADT7460ARQ-REEL7 belongs to the category of integrated circuits (ICs) specifically designed for temperature monitoring and control applications.

Use

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

Characteristics

• Temperature Range: The ADT7460ARQ-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.
• Digital Interface: This IC utilizes an I2C digital interface, allowing easy integration into existing systems.
• Low Power Consumption: The ADT7460ARQ-REEL7 operates on low power, making it suitable for battery-powered devices.
• Small Package Size: It comes in a compact 16-pin QSOP package, enabling space-efficient designs.

Packaging/Quantity

The ADT7460ARQ-REEL7 is typically packaged in reels containing 2500 units. Each unit consists of a single IC chip.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Resolution: 12 bits
• Conversion Time: 27 ms
• Operating Current: 200 µA (typical)
• Standby Current: 1 µA (typical)
• I2C Address: Configurable through external pins

Detailed Pin Configuration

The ADT7460ARQ-REEL7 features a 16-pin QSOP package with the following pin configuration:

1. VDD: Supply voltage input
2. GND: Ground reference
3. SDA: Serial data line (I2C)
4. SCL: Serial clock line (I2C)
5. ALERT: Interrupt output for temperature threshold detection
6. ADDR0: I2C address configuration bit 0
7. ADDR1: I2C address configuration bit 1
8. AIN0: Analog input for temperature sensing
9. AIN1: Analog input for remote temperature sensing
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• Temperature Sensing: The ADT7460ARQ-REEL7 accurately measures the temperature using its internal sensor or an external remote sensor.
• Overtemperature Protection: It provides a configurable alert output to indicate when the temperature exceeds a predefined threshold.
• I2C Interface: The digital interface allows easy communication with microcontrollers and other devices.
• Configuration Flexibility: The I2C address can be configured externally, enabling multiple ICs to coexist on the same bus.

Advantages and Disadvantages

Advantages

• High accuracy temperature measurements
• Low power consumption
• Compact package size
• Configurable I2C address for system flexibility

Disadvantages

• Limited temperature range (-40°C to +125°C)
• Requires additional components for remote temperature sensing

Working Principles

The ADT7460ARQ-REEL7 utilizes an internal temperature sensor or an external remote sensor to measure the temperature. It converts the analog temperature readings into digital values using a 12-bit ADC. These digital values are then accessible through the I2C interface for further processing by the host system. The IC also includes configurable registers for setting temperature thresholds and generating alerts when these thresholds are exceeded.

Detailed Application Field Plans

The ADT7460ARQ-REEL7 finds applications in various fields, including:

1. Computer Motherboards: It enables accurate temperature monitoring of critical components like CPUs and GPUs, ensuring optimal performance and preventing overheating.
2. Industrial Equipment: The IC is used in industrial machinery to monitor temperature variations, enabling efficient control and preventing equipment damage due to excessive heat.
3. Automotive Applications: It plays a vital role in automotive systems, such as engine management, battery monitoring, and climate control, ensuring safe and reliable operation.

Detailed and Complete Alternative Models

1. LM35: A popular analog temperature sensor with a linear output voltage proportional to the temperature.
2. TMP36: Another analog temperature sensor that provides a low-cost solution for temperature measurement.
3. DS18B20: A digital temperature sensor with a unique 64-bit serial code, allowing multiple sensors to be connected on a single bus.

These alternative models offer similar temperature sensing capabilities but may differ in terms of accuracy, interface, and package size.

In conclusion, the ADT7460ARQ-REEL7 is an integrated circuit designed for temperature monitoring and control applications. With its high accuracy, low power consumption,