Overview
The AD7814ARMZ-REEL7, manufactured by Analog Devices Inc., is a comprehensive temperature monitoring system integrated into a compact 8-lead MSOP package. This device combines a band gap temperature sensor with a 10-bit Analog-to-Digital Converter (ADC) to provide accurate temperature readings with a resolution of 0.25°C. The AD7814 is designed to operate over a wide temperature range of -55°C to +125°C, making it suitable for various industrial and consumer applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package/Case | 8-lead MSOP |
| Sensing Temperature Range | -55°C to +125°C |
| Resolution | 10 bits |
| Accuracy | ±2°C (±3.5°C over full range) |
| Supply Voltage | 2.7V to 5.5V |
| Operating Supply Current | 400 µA |
| Interface Type | SPI, QSPI, MICROWIRE |
| Mounting Type | Surface Mount (SMD/SMT) |
| RoHS Compliance | Yes |
Key Features
- Internal band gap temperature sensor and 10-bit ADC for accurate temperature measurements.
- Flexible serial interface compatible with SPI, QSPI, and MICROWIRE protocols.
- Standby mode controlled via the serial interface to reduce power consumption.
- Wide supply voltage range of 2.7V to 5.5V.
- Low supply current of 400 µA.
- Compact 8-lead MSOP package for space-saving designs.
Applications
- Hard Disk Drives
- Personal Computers
- Electronic Test Equipment
- Office Equipment
- Domestic Appliances
- Process Control Systems
Q & A
- What is the temperature measurement range of the AD7814ARMZ-REEL7?
The AD7814ARMZ-REEL7 can measure temperatures from -55°C to +125°C.
- What is the resolution of the temperature readings provided by the AD7814ARMZ-REEL7?
The resolution is 0.25°C.
- What types of serial interfaces does the AD7814ARMZ-REEL7 support?
The device supports SPI, QSPI, and MICROWIRE protocols.
- What is the supply voltage range for the AD7814ARMZ-REEL7?
The supply voltage range is 2.7V to 5.5V.
- Does the AD7814ARMZ-REEL7 have a standby mode?
Yes, it has a standby mode controlled via the serial interface to reduce power consumption.
- What is the package type of the AD7814ARMZ-REEL7?
The device is packaged in an 8-lead MSOP package.
- Is the AD7814ARMZ-REEL7 RoHS compliant?
Yes, it is RoHS compliant.
- What is the operating supply current of the AD7814ARMZ-REEL7?
The operating supply current is 400 µA.
- What are some common applications of the AD7814ARMZ-REEL7?
Common applications include hard disk drives, personal computers, electronic test equipment, office equipment, domestic appliances, and process control systems.
- How accurate are the temperature measurements of the AD7814ARMZ-REEL7?
The accuracy is ±2°C (±3.5°C over the full temperature range).
