Overview
The ADT75ARZ, produced by Analog Devices Inc., is a complete temperature monitoring system integrated into 8-lead MSOP and SOIC packages. It features a band gap temperature sensor and a 12-bit analog-to-digital converter (ADC). This device is designed for high accuracy and reliability in temperature measurement, making it suitable for a variety of applications requiring precise temperature monitoring.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage | 2.7 V | 5.5 V | V | ||
| Supply Current at 3.3 V | 200 µA | µA | Typical | ||
| Shutdown Current | 3 µA | µA | Typical | ||
| Operating Temperature Range | -55°C | +125°C | °C | ||
| Temperature Accuracy (A Grade) | ±2°C | °C | -25°C to +100°C | ||
| Temperature Accuracy (B Grade) | ±1°C | °C | 0°C to +70°C | ||
| ADC Resolution | 12 bits | ||||
| Serial Interface | SMBus/I2C compatible |
Key Features
- High accuracy temperature measurement with ±2°C accuracy from -25°C to +100°C for A Grade and ±1°C accuracy from 0°C to +70°C for B Grade.
- 12-bit ADC providing high resolution temperature data.
- Operates over a wide supply voltage range from 2.7 V to 5.5 V.
- Low power consumption with a typical supply current of 200 µA at 3.3 V and a shutdown current of 3 µA.
- SMBus/I2C compatible serial interface for easy communication.
- Open-drain output for over- and under-temperature indication.
- Address selection pins (A0, A1, A2) for multiple device operation.
- Compact 8-lead MSOP and SOIC packages.
Applications
- Portable battery-powered instruments
- Personal computers and servers
- Telecommunications systems
- Smart battery chargers
- Domestic appliances
- Process control systems
Q & A
- What is the ADT75ARZ? The ADT75ARZ is a complete temperature monitoring system with a band gap temperature sensor and a 12-bit ADC, produced by Analog Devices Inc.
- What are the package options for the ADT75ARZ? The ADT75ARZ is available in 8-lead MSOP and SOIC packages.
- What is the supply voltage range for the ADT75ARZ? The ADT75ARZ operates from 2.7 V to 5.5 V.
- What is the typical supply current at 3.3 V? The typical supply current at 3.3 V is 200 µA.
- What is the shutdown current? The shutdown current is typically 3 µA.
- What is the operating temperature range? The ADT75ARZ operates over a temperature range of -55°C to +125°C.
- What is the accuracy of the temperature measurement? The temperature accuracy is ±2°C from -25°C to +100°C for A Grade and ±1°C from 0°C to +70°C for B Grade.
- What type of serial interface does the ADT75ARZ use? The ADT75ARZ uses an SMBus/I2C compatible serial interface.
- Does the ADT75ARZ have address selection pins? Yes, the ADT75ARZ has address selection pins (A0, A1, A2) for multiple device operation.
- What is the purpose of the OS/ALERT pin? The OS/ALERT pin is an open-drain output that becomes active when the temperature exceeds a programmable limit and can operate in either comparator or interrupt mode.
