ADT7475ARQZ-RL7

Product Overview

Category

The ADT7475ARQZ-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

• High accuracy temperature sensing
• Digital output interface
• Wide operating temperature range
• Low power consumption
• Small form factor

Package

The ADT7475ARQZ-RL7 comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its ability to accurately measure temperature and provide digital output for temperature control purposes.

Packaging/Quantity

The ADT7475ARQZ-RL7 is typically packaged in reels, with each reel containing a specific quantity of ICs. 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 compatible
• Operating Current: 200µA (typical)

Detailed Pin Configuration

The ADT7475ARQZ-RL7 has a total of 16 pins. Here is the detailed pin configuration:

1. VDD - Power supply voltage
2. GND - Ground
3. ALERT - Interrupt output
4. SDA - Serial data input/output
5. SCL - Serial clock input
6. ADD0 - Address select bit 0
7. ADD1 - Address select bit 1
8. ADD2 - Address select bit 2
9. THERM - Thermistor input
10. VCC - Power supply voltage for thermistor bias
11. VSS - Ground for thermistor bias
12. TACH - Tachometer input
13. PWM - Pulse-width modulation output
14. FAN1 - Fan control output 1
15. FAN2 - Fan control output 2
16. FAN3 - Fan control output 3

Functional Features

• Temperature measurement with high accuracy
• Programmable temperature limits and hysteresis
• Fan speed control based on temperature
• Tachometer input for fan speed monitoring
• Interrupt output for temperature alerts
• Pulse-width modulation (PWM) output for fan speed control

Advantages and Disadvantages

Advantages

• High accuracy temperature sensing
• Flexible temperature control options
• Compact size for easy integration
• Wide operating temperature range

Disadvantages

• Requires additional external components for complete temperature control system
• Limited number of fan control outputs

Working Principles

The ADT7475ARQZ-RL7 utilizes an internal temperature sensor to measure the ambient temperature accurately. It communicates with the host system through the I2C/SMBus interface, providing temperature readings and receiving commands for temperature control. The device can monitor multiple temperature zones and adjust fan speeds accordingly to maintain optimal thermal conditions.

Detailed Application Field Plans

The ADT7475ARQZ-RL7 finds applications in various fields where temperature monitoring and control are critical. Some of the detailed application field plans include:

1. Computer systems: Ensuring proper cooling and preventing overheating in desktops, laptops, and servers.
2. Industrial equipment: Monitoring temperature in machinery and controlling cooling systems to prevent damage due to excessive heat.
3. Automotive electronics: Maintaining optimal temperature in vehicle electronic systems to enhance performance and reliability.
4. Home appliances: Regulating temperature in refrigerators, ovens, and air conditioning units for efficient operation.
5. Medical devices: Monitoring temperature in medical equipment to ensure accurate readings and patient safety.

Detailed and Complete Alternative Models

1. LM35 - Analog temperature sensor with a linear output voltage proportional to temperature.
2. TMP36 - Low-power analog temperature sensor with a wide operating range.
3. DS18B20 - Digital temperature sensor with programmable resolution and unique address for easy integration into multi-sensor systems.
4. MAX31855 - Thermocouple-to-digital converter with high accuracy and SPI interface for precise temperature measurements.

These alternative models offer similar temperature sensing capabilities but may have different features and specifications, providing options based on specific application requirements.

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