ADT7468ARQ-REEL

Product Overview

Category

The ADT7468ARQ-REEL belongs to the category of integrated circuits (ICs) specifically designed for temperature monitoring and control applications.

Use

This product is commonly used in various electronic devices and systems where precise temperature sensing and regulation are required.

Characteristics

• Temperature range: -40°C to +125°C
• Accuracy: ±1°C
• Supply voltage: 2.7V to 5.5V
• Low power consumption
• Small form factor

Package

The ADT7468ARQ-REEL is available in a compact 16-pin QSOP (Quarter Small Outline Package) package.

Essence

The essence of the ADT7468ARQ-REEL is its ability to accurately measure and regulate temperature in electronic systems, ensuring optimal performance and reliability.

Packaging/Quantity

This product is typically packaged in reels containing a specific quantity of ICs, usually around 2500 units per reel.

Specifications

• Temperature measurement range: -40°C to +125°C
• Temperature accuracy: ±1°C
• Resolution: 10 bits
• Supply voltage range: 2.7V to 5.5V
• Operating current: 200µA (typical)
• Shutdown current: 1µA (typical)
• Communication interface: I2C/SMBus compatible

Detailed Pin Configuration

The ADT7468ARQ-REEL features a 16-pin QSOP package with the following pin configuration:

1. VCC: Supply voltage input
2. GND: Ground reference
3. ALERT: Interrupt output for temperature threshold crossing detection
4. SDA: Serial data line for I2C communication
5. SCL: Serial clock line for I2C communication
6. THERM: Temperature sense input
7. VCC: Supply voltage input
8. GND: Ground reference
9. D+IN: Positive differential input for remote diode temperature sensing
10. D-IN: Negative differential input for remote diode temperature sensing
11. VCC: Supply voltage input
12. GND: Ground reference
13. AD0: Address select bit 0 (I2C/SMBus)
14. AD1: Address select bit 1 (I2C/SMBus)
15. VCC: Supply voltage input
16. GND: Ground reference

Functional Features

• Accurate temperature measurement and monitoring
• Programmable temperature threshold detection with interrupt output
• Remote diode temperature sensing capability
• I2C/SMBus compatible interface for easy integration into existing systems
• Low power consumption for energy-efficient operation
• Wide temperature range for versatile applications

Advantages and Disadvantages

Advantages

• High accuracy temperature measurement
• Compact package size for space-constrained designs
• Wide operating temperature range
• Low power consumption
• Flexible I2C/SMBus interface

Disadvantages

• Limited resolution (10 bits)
• Requires external diode for remote temperature sensing

Working Principles

The ADT7468ARQ-REEL operates based on the principle of temperature-dependent voltage variations. It utilizes an internal temperature sensor and can also interface with external diodes for remote temperature sensing. The IC converts the measured temperature into a digital value using its built-in analog-to-digital converter (ADC). This digital value is then made available through the I2C/SMBus interface for further processing or control.

Detailed Application Field Plans

The ADT7468ARQ-REEL finds extensive application in various industries and electronic systems, including but not limited to:

1. Consumer electronics: Temperature control in home appliances, such as refrigerators and air conditioners.
2. Automotive: Monitoring and regulation of engine temperature, cabin climate control systems.
3. Industrial automation: Temperature monitoring in manufacturing processes, HVAC systems.
4. Medical equipment: Precise temperature control in incubators, laboratory instruments.
5. Data centers: Thermal management for server racks and networking equipment.

Detailed and Complete Alternative Models

1. ADT7467ARQZ-REEL7: Similar to ADT7468ARQ-REEL with additional features like fan control and voltage monitoring.
2. MAXIM MAX1617MEE+: Comparable temperature sensor IC with extended temperature range (-55°C to +125°C).
3. Texas Instruments TMP100NA/250: Low-power digital temperature sensor with I2C interface and higher resolution (12 bits).

These alternative models offer similar functionality and can be considered based on specific application requirements.

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