ADT7468ARQZ-REEL

Product Overview

Category

The ADT7468ARQZ-REEL belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for temperature monitoring and control in various electronic devices.

Characteristics

• Temperature range: -40°C to +125°C
• Accuracy: ±1°C
• Supply voltage: 2.7V to 5.5V
• Package type: 16-pin QSOP
• Interface: I2C/SMBus compatible
• Low power consumption

Package and Quantity

The ADT7468ARQZ-REEL is available in a 16-pin QSOP package. It is typically sold in reels containing a specific quantity, usually around 2500 units per reel.

Specifications

• Temperature measurement range: -40°C to +125°C
• Temperature accuracy: ±1°C
• Resolution: 11 bits
• Supply voltage range: 2.7V to 5.5V
• Operating current: 200µA (typical)
• Standby current: 1µA (typical)
• I2C/SMBus interface compatibility
• Programmable temperature limits and hysteresis
• Over-temperature and under-temperature alert functionality

Pin Configuration

The ADT7468ARQZ-REEL has a total of 16 pins. The pin configuration is as follows:

1. VCC: Supply voltage input
2. GND: Ground reference
3. SDA: Serial data line (I2C/SMBus)
4. SCL: Serial clock line (I2C/SMBus)
5. ALERT: Alert output pin
6. THERM: Thermistor input
7. NC: No connection
8. NC: No connection
9. NC: No connection
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

The ADT7468ARQZ-REEL offers the following functional features:

1. Accurate temperature measurement: The IC provides precise temperature readings with an accuracy of ±1°C.
2. Temperature alert functionality: It allows users to set programmable temperature limits and hysteresis, triggering an alert when the temperature exceeds or falls below the specified thresholds.
3. Low power consumption: The device operates on low power, making it suitable for battery-powered applications.
4. I2C/SMBus compatibility: The integrated circuit communicates using the widely adopted I2C/SMBus interface, enabling easy integration into various systems.
5. Wide temperature range: The ADT7468ARQZ-REEL can measure temperatures from -40°C to +125°C, making it suitable for a wide range of applications.

Advantages and Disadvantages

Advantages

• High temperature accuracy ensures reliable temperature monitoring and control.
• Programmable temperature limits allow customization based on specific application requirements.
• Low power consumption extends battery life in portable devices.
• I2C/SMBus compatibility simplifies integration into existing systems.
• Wide temperature range enables versatile usage across different industries.

Disadvantages

• Limited pin configuration options may restrict certain application designs.
• The package type (QSOP) may require additional considerations during PCB layout and assembly.

Working Principles

The ADT7468ARQZ-REEL operates by measuring the voltage across a connected thermistor. This voltage is converted into a digital value using an internal analog-to-digital converter (ADC). The digital temperature reading is then processed and made available through the I2C/SMBus interface. The device can be programmed to generate alerts when the temperature exceeds or falls below user-defined thresholds.

Application Field Plans

The ADT7468ARQZ-REEL finds applications in various fields, including:

1. Consumer electronics: Temperature monitoring and control in smartphones, tablets, laptops, and gaming consoles.
2. Industrial automation: Thermal management in industrial machinery, HVAC systems, and power distribution units.
3. Automotive: Temperature sensing for engine management, climate control, and battery monitoring.
4. Medical devices: Temperature regulation in incubators, blood analyzers, and laboratory equipment.
5. Aerospace: Monitoring temperature in avionics systems, satellites, and space probes.

Alternative Models

For those seeking alternative options, the following integrated circuits can be considered:

1. LM35: A precision temperature sensor with analog output.
2. TMP36: Low voltage, precision temperature sensor with analog output.
3. DS18B20: Digital temperature sensor with a unique 64-bit serial code for easy integration into multi-sensor networks.
4. MAX31855: Therm