ADT7485AARMZ-REEL7

Product Overview

Category

The ADT7485AARMZ-REEL7 belongs to the category of temperature sensor integrated circuits.

Use

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

Characteristics

• High precision: The ADT7485AARMZ-REEL7 offers exceptional accuracy in temperature measurement, ensuring reliable data.
• Digital output: It provides a digital output interface, making it compatible with modern digital systems.
• Low power consumption: This temperature sensor IC is designed to consume minimal power, enhancing energy efficiency.
• Wide temperature range: The ADT7485AARMZ-REEL7 can measure temperatures over a wide range, making it suitable for diverse applications.
• Small package size: It comes in a compact package, allowing for easy integration into space-constrained designs.

Package and Quantity

The ADT7485AARMZ-REEL7 is packaged in a small outline integrated circuit (SOIC) package. It is typically available in reels containing a specific quantity, usually 250 or 300 units per reel.

Specifications

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

Pin Configuration

The ADT7485AARMZ-REEL7 has a total of 8 pins arranged as follows:

```

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| | --| VDD GND |-- Pin 1: Ground --| SDA SCL |-- Pin 2: I2C/SMBus Data Line (SDA) --| A2 A1 |-- Pin 3: Address Select --| ALERT |-- Pin 4: Alert Output --| VDD |-- Pin 5: Power Supply --| GND |-- Pin 6: Ground --| OS/INT |-- Pin 7: Overtemperature Shutdown/Interrupt Output |___________| ```

Functional Features

• Temperature Measurement: The ADT7485AARMZ-REEL7 accurately measures temperature using its internal sensor.
• Digital Interface: It communicates temperature data digitally through the I2C/SMBus interface.
• Alert Functionality: The sensor can generate an alert signal when the temperature exceeds a predefined threshold.
• Overtemperature Shutdown: In case of extreme temperatures, the device can trigger an automatic shutdown to protect the system.

Advantages and Disadvantages

Advantages

• High precision temperature measurement
• Digital output for easy integration with digital systems
• Low power consumption
• Wide temperature range for versatile applications
• Compact package size for space-constrained designs

Disadvantages

• Limited accuracy compared to more specialized temperature sensors
• Requires I2C/SMBus interface support in the host system

Working Principles

The ADT7485AARMZ-REEL7 utilizes an internal temperature sensor to measure the ambient temperature. It converts the analog temperature reading into a digital format and communicates it through the I2C/SMBus interface. The device also includes features like alert functionality and overtemperature shutdown to enhance system safety and reliability.

Application Field Plans

The ADT7485AARMZ-REEL7 finds applications in various fields, including: 1. Consumer electronics: Temperature monitoring in smartphones, laptops, and gaming consoles. 2. Industrial automation: Temperature control in manufacturing processes and equipment. 3. Automotive: Monitoring temperature in engine management systems and climate control. 4. Medical devices: Temperature sensing in medical equipment and patient monitoring systems. 5. HVAC systems: Temperature regulation in heating, ventilation, and air conditioning systems.

Alternative Models

1. TMP36 - Analog temperature sensor with a wide operating range.
2. DS18B20 - Digital temperature sensor with programmable resolution.
3. LM35 - Precision analog temperature sensor with linear output.
4. MAX31855 - Thermocouple-to-digital converter for high-temperature measurements.

These alternative models offer similar temperature sensing capabilities and can be considered based on specific application requirements.

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