Overview
The AD7416AR-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 family, which includes temperature-monitoring only devices. The AD7416 is housed in an 8-lead package, making it suitable for applications where space is limited. It features an on-chip temperature sensor that can measure temperatures from -40°C to +125°C with an accuracy of ±2°C over the entire range and ±1°C at 25°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| VDD | 2.7 | 5.5 | V | For specified performance | |
| Temperature Range | -40 | 125 | °C | ||
| Temperature Accuracy | ±1 | ±2 | °C | At 25°C and over the entire range, 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) | 0.2 | 1.5 | μA | ||
| Supply Current (Shutdown mode) | 0.2 | 1.5 | μA |
Key Features
- I2C-compatible serial interface: Allows for easy communication and connection of up to 8 devices on a single bus.
- Wide operating supply range: From 2.7 V to 5.5 V, ensuring flexibility in various power supply scenarios.
- On-chip temperature sensor: Provides accurate temperature measurements with a resolution of 10 bits.
- Automatic power-down: At the end of a conversion, reducing power consumption.
- Selectable serial bus address: Enables multiple devices to be connected to a single bus.
- Compact packaging: Available in 8-lead SOIC and MSOP packages, suitable for space-constrained applications.
Applications
- Data acquisition with ambient temperature monitoring: Ideal for monitoring temperatures in various data acquisition systems.
- Industrial process control: Used in industrial settings to monitor and control temperature.
- Automotive applications: Suitable for temperature monitoring in automotive systems.
- Battery-charging applications: Helps in monitoring temperatures during battery charging processes.
- Personal computers: Can be used for temperature monitoring within computer systems.
- Energy saving applications: Such as air conditioning and lighting control in offices.
- Digital signage and automatic doors/elevators: For temperature monitoring in these applications.
Q & A
- What is the temperature measurement range of the AD7416?
The AD7416 can measure temperatures from -40°C to +125°C.
- What is the accuracy of the temperature sensor at 25°C?
The accuracy at 25°C is ±1°C.
- What is the resolution of the AD7416 temperature sensor?
The resolution is 10 bits.
- What is the typical conversion time for temperature measurements?
The typical conversion time is 40 μs.
- What is the operating supply voltage range for the AD7416?
The operating supply voltage range is from 2.7 V to 5.5 V.
- How many devices can be connected to a single I2C bus?
Up to 8 devices can be connected to a single I2C bus.
- What are the available package types for the AD7416?
The AD7416 is available in 8-lead SOIC and MSOP packages.
- Does the AD7416 support automatic power-down?
Yes, the AD7416 supports automatic power-down at the end of a conversion.
- What are some common applications of the AD7416?
Common applications include data acquisition, industrial process control, automotive, battery-charging, and personal computers.
- Is the AD7416 still in production?
No, the AD7416 has been discontinued by Analog Devices Inc..
