Overview
The AD7814ARTZ-REEL7, produced by Analog Devices Inc., is a 10-bit digital temperature sensor integrated into a compact 6-lead SOT-23 package or an 8-lead MSOP package. This component is designed to provide accurate temperature measurements with a resolution of 0.25°C. It includes a band gap temperature sensor and a 10-bit analog-to-digital converter (ADC) to digitize the temperature readings. The AD7814 is versatile, featuring a flexible serial interface compatible with SPI, QSPI, and MICROWIRE protocols, as well as compatibility with DSPs. This makes it suitable for a wide range of applications, including personal computers, office equipment, domestic appliances, and process control systems.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Temperature Range | –55°C to +125°C |
| Accuracy | ±2°C |
| Resolution | 0.25°C |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Supply Current | Low supply current |
| Package Type | SOT-23 or MSOP |
| No. of Pins | 6 pins (SOT-23), 8 pins (MSOP) |
| Serial Interface | SPI, QSPI, MICROWIRE, and DSP compatible |
| Standby Mode | Controlled via serial interface |
| Conversion Time | Approximately 25 µs |
| Automatic Conversion Interval | Every 350 µs |
Key Features
- High accuracy temperature measurement with ±2°C accuracy.
- Wide operating temperature range of –55°C to +125°C.
- Low supply current and wide supply voltage range (2.7 V to 5.5 V).
- Flexible serial interface compatible with SPI, QSPI, MICROWIRE, and DSPs.
- Standby mode controlled via the serial interface to reduce power consumption.
- Compact SOT-23 or MSOP package for space-saving designs.
- Automatic temperature conversion every 350 µs with a conversion time of approximately 25 µs.
Applications
- Personal computers and laptops.
- Office equipment such as printers and scanners.
- Domestic appliances like refrigerators and air conditioners.
- Electronic test equipment and measurement devices.
- Process control systems in industrial settings.
- Hard disk drives and other storage devices.
Q & A
- What is the operating temperature range of the AD7814ARTZ-REEL7? The operating temperature range is –55°C to +125°C.
- What is the accuracy of the temperature measurements provided by the AD7814ARTZ-REEL7? The accuracy is ±2°C.
- What is the resolution of the temperature readings? The resolution is 0.25°C.
- What types of serial interfaces are supported by the AD7814ARTZ-REEL7? It supports SPI, QSPI, MICROWIRE, and DSP-compatible interfaces.
- How is the standby mode controlled in the AD7814ARTZ-REEL7? The standby mode is controlled via the serial interface.
- What is the typical conversion time for temperature measurements? The conversion time is approximately 25 µs.
- How often does the AD7814ARTZ-REEL7 perform automatic temperature conversions? Automatic conversions occur every 350 µs.
- What are the common applications of the AD7814ARTZ-REEL7? Common applications include personal computers, office equipment, domestic appliances, and process control systems.
- What is the supply voltage range for the AD7814ARTZ-REEL7? The supply voltage range is 2.7 V to 5.5 V.
- What package types are available for the AD7814ARTZ-REEL7? It is available in SOT-23 and MSOP packages.
