Overview
The AD7414ARTZ-3REEL7 is a 10-bit digital temperature sensor produced by Analog Devices Inc. This component is part of the AD7414 series, designed to provide accurate temperature measurements in a compact package. The AD7414 features a bandgap temperature sensor and a 10-bit analog-to-digital converter (ADC), allowing for precise temperature readings with a resolution of 0.25°C. The device is housed in a 6-lead SOT-23 package, making it suitable for a variety of applications where space is limited.
Key Specifications
| Parameter | Value |
|---|---|
| Temperature Range | -40°C to +125°C |
| Temperature Accuracy | ±0.5°C at +40°C |
| Resolution | 0.25°C |
| Supply Voltage | 2.7 V to 5.5 V |
| Supply Current | 900 µA (nominal) |
| 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 |
Key Features
- 10-bit temperature-to-digital converter
- SMBus/I2C-compatible serial interface with pin-selectable addressing
- On-chip temperature sensor with ±0.5°C accuracy at +40°C
- Overtemperature indicator (ALERT) and SMBus alert function (AD7414 only)
- Low power consumption with 3 µA power-down current
- Compact 6-lead SOT-23 package
- Programmable high and low temperature limits
- Configuration register for setting ALERT output polarity and reset
Applications
- Hard disk drives and personal computers
- Electronic test equipment and office equipment
- Domestic appliances
- Cellular phones
- Process control systems
Q & A
- What is the temperature range of the AD7414ARTZ-3REEL7? The temperature range is -40°C to +125°C.
- What is the resolution of the temperature readings? The resolution is 0.25°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.
- What is the typical power-down current of the AD7414? The typical power-down current is 3 µA.
- What is the package type of the AD7414ARTZ-3REEL7? The package type is a 6-Lead SOT-23.
- Does the AD7414 have an overtemperature indicator? Yes, the AD7414 has an overtemperature indicator (ALERT) and an SMBus alert function.
- What is the supply voltage range for the AD7414? The supply voltage range is 2.7 V to 5.5 V.
- How long does it take for the AD7414 to convert temperature readings? The temperature conversion time is typically 29 µs.
- Can the ALERT output polarity be configured? Yes, the ALERT output polarity can be configured via the configuration register.
