Overview
The AD7414ARMZ-0REEL, produced by Analog Devices Inc., is a highly accurate and compact digital temperature sensor. It is part of the AD7414 series, which includes complete temperature monitoring systems packaged in space-saving 6-lead SOT-23 packages. These sensors integrate a band gap temperature sensor and a 10-bit analog-to-digital converter (ADC) to provide precise temperature readings with a resolution of 0.25°C. The AD7414 series is designed for a wide range of applications requiring accurate temperature monitoring and control.
Key Specifications
| Specification | Value |
|---|---|
| Temperature Range | −40°C to +125°C |
| Temperature Accuracy | ±0.5°C at +40°C |
| Resolution | 10-bit, 0.25°C |
| Supply Voltage | 2.7 V to 5.5 V |
| Power-Down Current | 3 µA |
| Temperature Conversion Time | 29 µs (typical) |
| Package Type | 6-lead SOT-23 |
| Serial Interface | SMBus/I2C-compatible |
| I2C Addresses | Up to 8 different addresses for AD7414 |
| Overtemperature Indicator | Yes (AD7414 only) |
| SMBus Alert Function | Yes (AD7414 only) |
Key Features
- On-chip band gap temperature sensor with ±0.5°C accuracy
- SMBus/I2C-compatible serial interface with pin-selectable addressing
- Space-saving 6-lead SOT-23 package
- Low power consumption with 3 µA power-down current
- Fast temperature conversion time of 29 µs (typical)
- Overtemperature indicator and SMBus alert function (AD7414 only)
- Programmable high and low temperature limits
- One-shot and automatic temperature conversion rates
Applications
- Hard disk drives and personal computers
- Electronic test equipment and office equipment
- Domestic appliances and cellular phones
- Process control systems
Q & A
- What is the temperature range of the AD7414?
The AD7414 has a temperature range of −40°C to +125°C.
- What is the accuracy of the AD7414 temperature sensor?
The AD7414 temperature sensor has an accuracy of ±0.5°C at +40°C.
- What type of serial interface does the AD7414 use?
The AD7414 uses an SMBus/I2C-compatible serial interface.
- How many I2C addresses can the AD7414 support?
The AD7414 can support up to 8 different I2C addresses.
- Does the AD7414 have an overtemperature indicator?
Yes, the AD7414 has an overtemperature indicator and SMBus alert function.
- What is the typical temperature conversion time of the AD7414?
The typical temperature conversion time of the AD7414 is 29 µs.
- What is the power-down current of the AD7414?
The power-down current of the AD7414 is 3 µA.
- Can the AD7414 be programmed with high and low temperature limits?
Yes, the AD7414 can be programmed with high and low temperature limits.
- What types of applications is the AD7414 suitable for?
The AD7414 is suitable for applications such as hard disk drives, personal computers, electronic test equipment, office equipment, domestic appliances, and process control systems.
- What is the package type of the AD7414?
The AD7414 is packaged in a 6-lead SOT-23 package.
