Overview
The AD7416ARZ-REEL, produced by Analog Devices Inc., is a 10-bit digital temperature sensor designed for precise ambient temperature measurement. This device is part of the AD7416 series and is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package. It is a temperature-monitoring only device, making it an ideal choice for applications requiring accurate temperature sensing without the need for additional analog-to-digital conversion channels.
The AD7416 offers a wide operating supply range of 2.7 V to 5.5 V and features an I2C-compatible serial interface, allowing for easy integration into various systems. It is also a superior replacement for the LM75 temperature sensor, offering enhanced performance and reliability.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage (VDD) | 2.7 | 5.5 | V | ||
| Temperature Accuracy | ±1°C at 25°C | ±2°C (−25°C to +100°C), ±3°C (−40°C to +125°C) | °C | ||
| Resolution | 10 bits | ||||
| Temperature Conversion Time | 40 μs | μs | |||
| Update Rate (tR) | 400 μs | μs | |||
| Supply Current (I2C active) | 1.0 mA | mA | |||
| Supply Current (I2C inactive) | 350 μA | 600 μA | μA | ||
| Supply Current (Shutdown mode) | 0.2 μA | 1.5 μA | μA | ||
| Operating Temperature Range | −40°C | +125°C | °C |
Key Features
- Wide Operating Supply Range: The AD7416 operates from a 2.7 V to 5.5 V power supply, making it versatile for various applications.
- I2C-Compatible Serial Interface: Allows for easy communication and integration into systems using the I2C protocol.
- Selectable Serial Bus Address: Enables the connection of up to 8 AD7416 devices to a single bus, enhancing system flexibility.
- High Accuracy Temperature Measurement: Offers ±1°C accuracy at 25°C and ±2°C accuracy over the −25°C to +100°C range, with ±3°C accuracy over the −40°C to +125°C range.
- Low Power Consumption: Features low supply current in both active and inactive modes, as well as a shutdown mode for minimal power usage.
- Compact Packaging: Available in an 8-lead SOIC package, making it suitable for space-constrained designs.
Applications
- Data Acquisition with Ambient Temperature Monitoring: Ideal for systems that require precise temperature measurements.
- Industrial Process Control: Suitable for monitoring temperatures in industrial environments.
- Automotive Applications: Used in automotive systems for temperature sensing and monitoring.
- Battery-Charging Applications: Helps in monitoring battery temperatures during charging cycles.
- Personal Computers: Can be used in PC systems for temperature monitoring and thermal management.
Q & A
- What is the operating supply voltage range of the AD7416?
The AD7416 operates from a 2.7 V to 5.5 V power supply.
- What is the accuracy of the temperature sensor at 25°C?
The temperature sensor has an accuracy of ±1°C at 25°C.
- What is the resolution of the AD7416 temperature sensor?
The resolution of the AD7416 temperature sensor is 10 bits.
- What is the typical temperature conversion time for the AD7416?
The typical temperature conversion time is 40 μs.
- Can multiple AD7416 devices be connected to a single I2C bus?
Yes, up to 8 AD7416 devices can be connected to a single I2C bus due to the selectable serial bus address feature.
- What is the operating temperature range of the AD7416?
The operating temperature range is −40°C to +125°C.
- What is the supply current in I2C active mode?
The supply current in I2C active mode is approximately 1.0 mA.
- Does the AD7416 have a shutdown mode?
Yes, the AD7416 has a shutdown mode with a supply current of 0.2 μA to 1.5 μA.
- What package type is the AD7416 available in?
The AD7416 is available in an 8-lead SOIC package.
- Is the AD7416 RoHS compliant?
Yes, the AD7416 is RoHS compliant.
