Overview
The AD7416ARZ, produced by Analog Devices Inc., is a 10-bit digital temperature sensor designed for precise ambient temperature monitoring. This device is packaged in an 8-lead SOIC and operates within a wide supply voltage range of 2.7 V to 5.5 V. It features an on-chip temperature sensor that can measure temperatures from -40°C to +125°C, making it suitable for various industrial, automotive, and consumer applications. The AD7416ARZ is notable for its I2C-compatible serial interface, allowing for easy integration into complex systems and enabling the connection of up to eight devices on a single bus.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | 5.5 | V | ||
| Temperature Range | -40 | 125 | °C | ||
| Temperature Accuracy | ±1 | ±2 | °C | At 25°C and -25°C to 100°C respectively | |
| Resolution | 10 | Bits | |||
| Temperature Conversion Time | 40 | μs | |||
| Update Rate (tR) | 400 | μs | |||
| Supply Current (I2C Active) | 1.0 | mA | |||
| Supply Current (I2C Inactive) | 0.35 | 0.6 | mA | ||
| Supply Current (Shutdown Mode) | 0.2 | 1.5 | μA |
Key Features
- I2C-Compatible Serial Interface: Allows for easy communication and connection of up to eight devices on a single bus.
- Wide Operating Supply Range: Operates from 2.7 V to 5.5 V, making it versatile for various applications.
- On-Chip Temperature Sensor: Measures ambient temperature with an accuracy of ±1°C at 25°C and ±2°C over the range of -25°C to 100°C.
- Automatic Power-Down: Reduces power consumption by entering a low power shutdown mode at slower throughput rates.
- Overtemperature Indicator (OTI): Provides alerts for temperature thresholds, enhancing system safety and reliability.
Applications
- Data Acquisition with Ambient Temperature Monitoring: Suitable for monitoring temperatures in data acquisition systems.
- Industrial Process Control: Used in industrial environments to monitor and control temperature.
- Automotive Applications: Ideal for temperature monitoring in automotive systems.
- Battery-Charging Applications: Monitors temperature during battery charging to ensure safe and efficient operation.
- Personal Computers: Used in personal computers for temperature monitoring and thermal management.
Q & A
- What is the operating supply voltage range of the AD7416ARZ?
The AD7416ARZ operates within a supply voltage range of 2.7 V to 5.5 V. - What is the temperature measurement range of the AD7416ARZ?
The temperature measurement range is from -40°C to +125°C. - What is the resolution of the AD7416ARZ temperature sensor?
The resolution is 10 bits, providing a temperature resolution of 0.25°C per LSB. - Does the AD7416ARZ support I2C communication?
Yes, it features an I2C-compatible serial interface. - How many devices can be connected on a single I2C bus?
Up to eight AD7416ARZ devices can be connected on a single I2C bus. - What is the typical supply current when the I2C interface is active?
The typical supply current when the I2C interface is active is 1.0 mA. - What is the power consumption in shutdown mode?
The power consumption in shutdown mode is between 0.2 μA and 1.5 μA. - Does the AD7416ARZ have an overtemperature indicator?
Yes, it includes an overtemperature indicator (OTI) for enhanced system safety. - What are some common applications of the AD7416ARZ?
Common applications include data acquisition, industrial process control, automotive systems, battery-charging applications, and personal computers. - Is the AD7416ARZ RoHS compliant?
Yes, the AD7416ARZ is RoHS compliant.
