ADT7475ARQZ-REEL7

Product Overview

Category

The ADT7475ARQZ-REEL7 belongs to the category of integrated circuit (IC) temperature sensors.

Use

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

Characteristics

• High accuracy: The ADT7475ARQZ-REEL7 offers precise temperature measurement with a high level of accuracy.
• Digital interface: It features a digital interface, making it compatible with modern electronic systems.
• Wide temperature range: This sensor can measure temperatures over a wide range, making it suitable for diverse applications.
• Low power consumption: The ADT7475ARQZ-REEL7 is designed to consume minimal power, ensuring energy efficiency.

Package

The ADT7475ARQZ-REEL7 comes in a small outline integrated circuit (SOIC) package. This package provides protection and ease of integration into electronic systems.

Essence

The essence of the ADT7475ARQZ-REEL7 lies in its ability to accurately measure temperature and provide this information to control systems, ensuring optimal performance and reliability.

Packaging/Quantity

This product is typically packaged in reels, containing a specific quantity of ICs per reel. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Temperature range: -40°C to +125°C
• Resolution: 0.0625°C
• Supply voltage: 2.7V to 5.5V
• Interface: I2C/SMBus

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground connection
3. SDA: Serial data line for I2C communication
4. SCL: Serial clock line for I2C communication
5. ALERT: Interrupt output for temperature threshold detection
6. TACH: Tachometer input for fan speed monitoring
7. PWM: Pulse-width modulation output for fan control
8. VDDA: Analog power supply input
9. AD0: Address select input for I2C communication
10. VREF: Reference voltage output

Functional Features

• Temperature measurement: The ADT7475ARQZ-REEL7 accurately measures temperature using its integrated sensor.
• Fan control: It provides pulse-width modulation (PWM) output to control fan speed based on temperature readings.
• Temperature threshold detection: The sensor can detect temperature thresholds and generate an interrupt signal (ALERT) for system protection or notification.
• Tachometer input: It allows monitoring of fan speed through the tachometer input (TACH) pin.

Advantages and Disadvantages

Advantages

• High accuracy ensures precise temperature measurement.
• Digital interface enables easy integration with modern electronic systems.
• Wide temperature range makes it suitable for various applications.
• Low power consumption promotes energy efficiency.

Disadvantages

• Limited to I2C/SMBus interface, may not be compatible with all systems.
• Requires additional components for fan control implementation.

Working Principles

The ADT7475ARQZ-REEL7 operates by utilizing its integrated temperature sensor to measure the ambient temperature. It converts this analog temperature reading into a digital value using an internal analog-to-digital converter (ADC). The digital temperature data is then made available through the I2C/SMBus interface for further processing by the host system.

Additionally, the ADT7475ARQZ-REEL7 can control fan speed by generating a PWM signal based on the measured temperature. This allows for efficient cooling and temperature regulation within the system.

Detailed Application Field Plans

The ADT7475ARQZ-REEL7 finds applications in various fields, including:

1. Computer systems: It can be used to monitor and control the temperature of CPUs, GPUs, and other critical components.
2. Industrial automation: The sensor is suitable for temperature monitoring in industrial equipment and machinery.
3. Automotive electronics: It can be employed in automotive systems to ensure optimal operating temperatures.
4. Home appliances: The ADT7475ARQZ-REEL7 can be integrated into refrigerators, ovens, and air conditioning units for temperature regulation.

Detailed and Complete Alternative Models

1. LM35: Analog temperature sensor with a wide temperature range and simple interface.
2. DS18B20: Digital temperature sensor with programmable resolution and unique address for easy integration.
3. TMP36: Low-power analog temperature sensor with a linear voltage output proportional to temperature.

These alternative models offer similar functionality to the ADT7475ARQZ-REEL7 and can be considered based on specific application requirements.

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