ADT7485AARMZ-R

Product Overview

Category

The ADT7485AARMZ-R 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-R offers exceptional accuracy in temperature measurement, ensuring reliable results.
• Wide temperature range: It can measure temperatures ranging from -40°C to +125°C, making it suitable for a wide range of applications.
• Digital output: The sensor provides a digital output interface, simplifying integration with microcontrollers and other digital systems.
• Low power consumption: With its low power requirements, the ADT7485AARMZ-R is energy-efficient and ideal for battery-powered devices.
• Small package size: This sensor comes in a compact package, allowing for easy installation in space-constrained environments.

Package and Quantity

The ADT7485AARMZ-R is available in a small outline package (SOIC) with 8 pins. It is typically sold in reels containing a specified quantity of sensors.

Specifications

• Temperature Measurement Range: -40°C to +125°C
• Accuracy: ±0.5°C
• Resolution: 12 bits
• Supply Voltage: 2.7V to 5.5V
• Interface: I2C/SMBus compatible
• Operating Current: 200µA (typical)
• Shutdown Current: 1µA (typical)

Pin Configuration

The ADT7485AARMZ-R has the following pin configuration:

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| | | ADT7485AARMZ-R | |_______________________________________| | | | 1 2 3 4 5 6 7 8 | |_______________________________________| | | | VDD SDA SCL GND A2 A1 A0 ALERT | |_______________________________________| ```

• VDD: Power supply voltage
• SDA: Serial data input/output for I2C communication
• SCL: Serial clock input for I2C communication
• GND: Ground connection
• A2, A1, A0: Address selection pins
• ALERT: Open-drain output for temperature alert

Functional Features

The ADT7485AARMZ-R offers the following functional features:

1. Temperature Measurement: It accurately measures temperature within the specified range.
2. Digital Output: The sensor provides a digital output in a format compatible with I2C and SMBus interfaces.
3. Programmable Alert: The ALERT pin can be configured to generate an interrupt or trigger an alarm based on user-defined temperature thresholds.
4. Shutdown Mode: The device can be put into a low-power shutdown mode to conserve energy when not in use.

Advantages and Disadvantages

Advantages

• High precision temperature measurement
• Wide temperature range
• Compact package size
• Low power consumption
• Digital output interface simplifies integration

Disadvantages

• Limited to I2C/SMBus interface compatibility
• Requires external microcontroller or digital system for data processing

Working Principles

The ADT7485AARMZ-R operates based on the principles of temperature sensing using a built-in temperature sensor element. The sensor converts the detected temperature into a digital signal, which is then processed by the internal circuitry. The resulting temperature data is made available through the I2C/SMBus interface for further processing or monitoring.

Detailed Application Field Plans

The ADT7485AARMZ-R finds applications in various fields, including:

1. Consumer Electronics: Temperature monitoring in smartphones, tablets, laptops, and gaming consoles.
2. Industrial Automation: Temperature control systems in manufacturing plants, HVAC systems, and industrial machinery.
3. Automotive: Engine temperature monitoring, climate control systems, and battery management in vehicles.
4. Medical Devices: Temperature measurement in medical equipment, incubators, and laboratory instruments.
5. Home Automation: Smart thermostats, energy management systems, and temperature-controlled appliances.

Detailed Alternative Models

1. TMP36: Analog temperature sensor with a voltage output.
2. DS18B20: Digital temperature sensor with a unique 64-bit serial code for easy integration.
3. LM35: Analog temperature sensor with a linear voltage output proportional to temperature.

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

In conclusion, the ADT7485AARMZ-R is a highly accurate and versatile temperature sensor integrated circuit. Its compact size, wide temperature range, and digital output make it suitable for various applications across different industries. While it has some limitations, such as interface compatibility