Overview
The AD7814ARMZ is a 10-bit digital temperature sensor produced by Analog Devices Inc. This component is designed to provide accurate temperature measurements in a compact and efficient package. It features a band gap temperature sensor and a 10-bit analog-to-digital converter (ADC) that digitizes the temperature reading to a resolution of 0.25°C. The device is available in both 6-lead SOT-23 and 8-lead MSOP packages, making it suitable for a wide range of applications where space is a concern.
Key Specifications
| Specification | Value |
|---|---|
| Supply Voltage Range | 2.7 V to 5.5 V |
| Operating Temperature Range | –55°C to +125°C |
| Temperature Accuracy | ±2°C |
| Resolution | 10 bits |
| Conversion Time | 25 µs (typical) |
| Interface Type | SPI, QSPI, MICROWIRE, DSP-compatible |
| Package Type | MSOP-8, SOT-23 |
| Number of Pins | 8 (MSOP), 6 (SOT-23) |
| Supply Current | 400 µA (typical) |
| RoHS Compliance | Yes |
Key Features
- Flexible serial interface compatible with SPI, QSPI, MICROWIRE, and DSPs.
- Standby mode controlled via the serial interface.
- Low supply current and wide supply voltage range.
- High accuracy temperature measurement with ±2°C accuracy.
- Compact packaging options including MSOP-8 and SOT-23.
- Automatic temperature conversion with an internal clock oscillator.
Applications
- Personal computers and office equipment.
- Hard disk drives and electronic test equipment.
- Domestic appliances and process control systems.
- Other applications requiring precise temperature monitoring in a small form factor.
Q & A
- What is the operating temperature range of the AD7814ARMZ?
The operating temperature range is –55°C to +125°C. - What is the resolution of the temperature measurement?
The resolution is 10 bits, providing a temperature resolution of 0.25°C. - What types of interfaces does the AD7814ARMZ support?
The device supports SPI, QSPI, MICROWIRE, and is compatible with DSPs. - What is the supply voltage range for the AD7814ARMZ?
The supply voltage range is 2.7 V to 5.5 V. - How accurate is the temperature measurement of the AD7814ARMZ?
The temperature accuracy is ±2°C. - What is the typical conversion time for the AD7814ARMZ?
The typical conversion time is 25 µs. - Is the AD7814ARMZ RoHS compliant?
Yes, the AD7814ARMZ is RoHS compliant. - What are the available package types for the AD7814ARMZ?
The device is available in MSOP-8 and SOT-23 packages. - How much current does the AD7814ARMZ typically consume?
The typical supply current is 400 µA. - Can the AD7814ARMZ be put into a standby mode?
Yes, the device can be put into a standby mode controlled via the serial interface.
