ADT7476AARQZ-RL7

Product Overview

Category

The ADT7476AARQZ-RL7 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

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

Package

The ADT7476AARQZ-RL7 is available in a compact and industry-standard package, making it suitable for surface mount applications.

Essence

The essence of the ADT7476AARQZ-RL7 lies in its ability to accurately measure temperature and provide real-time feedback for temperature control purposes.

Packaging/Quantity

The ADT7476AARQZ-RL7 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

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

Detailed Pin Configuration

The ADT7476AARQZ-RL7 has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. SDA: Serial data line (I2C/SMBus)
4. SCL: Serial clock line (I2C/SMBus)
5. ALERT: Interrupt output
6. TACH: Tachometer input
7. PWM: Pulse-width modulation output
8. TEMP: Temperature measurement output

Functional Features

• Temperature measurement with high accuracy and resolution
• Programmable temperature thresholds for alert generation
• Fan control based on temperature feedback
• Tachometer input for fan speed monitoring
• Pulse-width modulation output for fan speed control
• I2C/SMBus interface for easy integration with microcontrollers

Advantages and Disadvantages

Advantages

• High accuracy temperature sensing
• Real-time temperature monitoring and control
• Compact form factor for space-constrained applications
• Low power consumption for energy efficiency
• Flexible programmability for various temperature control scenarios

Disadvantages

• Limited temperature range compared to specialized sensors
• Requires additional circuitry for fan control implementation
• Relatively higher cost compared to basic temperature sensors

Working Principles

The ADT7476AARQZ-RL7 utilizes a built-in temperature sensor to measure the ambient temperature. It converts the analog temperature signal into a digital value using an internal analog-to-digital converter (ADC). The digital temperature value is then made available through the I2C/SMBus interface for further processing by a microcontroller or system.

The device also features programmable temperature thresholds, which can be used to generate alerts or trigger fan speed adjustments. By continuously monitoring the temperature and adjusting fan speed accordingly, the ADT7476AARQZ-RL7 helps maintain optimal operating conditions for electronic devices.

Detailed Application Field Plans

The ADT7476AARQZ-RL7 finds applications in various fields, including:

1. Computer Systems: Used for temperature monitoring and fan control in desktops, laptops, and servers.
2. Consumer Electronics: Integrated into home appliances, gaming consoles, and audio/video equipment to prevent overheating.
3. Industrial Automation: Employed in industrial machinery and equipment to ensure proper thermal management.
4. Automotive: Utilized in automotive systems for temperature monitoring and control in engine compartments, battery management, and climate control.

Detailed and Complete Alternative Models

1. LM35: A popular analog temperature sensor with a wide temperature range and simple interface.
2. DS18B20: A digital temperature sensor with programmable resolution and unique 64-bit serial code for easy identification.
3. TMP36: An analog temperature sensor with low power consumption and high accuracy.
4. MAX31855: A thermocouple-to-digital converter with cold-junction compensation for precise temperature measurements.

These alternative models offer different features and specifications, catering to specific application requirements.

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