Overview
The AD7414ARMZ-0REEL7, produced by Analog Devices Inc., is a complete temperature monitoring system integrated into a compact 6-lead SOT-23 package. This device features a band gap temperature sensor and a 10-bit analog-to-digital converter (ADC), enabling accurate temperature measurements with a resolution of 0.25°C. The AD7414 is designed for low power consumption and high accuracy, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Temperature Accuracy | ±0.5°C | - |
| Resolution | 10-bit | - |
| Temperature Conversion Time | 29 µs (typical) | µs |
| Supply Voltage | 2.7 V | V |
| Supply Current | 210 µA (typical) | µA |
| Power-Down Current | 3 µA | µA |
| Operating Temperature Range | -40°C to +125°C | °C |
| Package Type | 6-lead SOT-23 | - |
| Serial Interface | SMBus/I2C-compatible | - |
Key Features
- On-chip Temperature Sensor: Allows accurate measurement of ambient temperature with ±0.5°C accuracy.
- SMBus/I2C-compatible Serial Interface: Offers pin-selectable addressing with up to eight I2C address options.
- Low Power Consumption: 210 µA typical supply current and 3 µA power-down current.
- Compact Package: Space-saving 6-lead SOT-23 package.
- Overtemperature Indicator: An open-drain ALERT output becomes active when a programmed temperature limit is exceeded.
- Configurable ALERT Output: Can be set as active high or active low and used as an interrupt or SMBus alert.
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 accuracy of the AD7414?
The AD7414 has a temperature accuracy of ±0.5°C.
- What is the resolution of the temperature measurements provided by the AD7414?
The AD7414 provides temperature measurements with a 10-bit resolution, resulting in a 0.25°C resolution.
- What is the typical temperature conversion time for the AD7414?
The typical temperature conversion time is 29 µs.
- What is the supply voltage range for the AD7414?
The supply voltage is 2.7 V.
- What is the power-down current of the AD7414?
The power-down current is 3 µA.
- 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 supports up to eight different I2C addresses.
- What is the purpose of the ALERT output on the AD7414?
The ALERT output becomes active when a programmed temperature limit is exceeded and can be used as an interrupt or SMBus alert.
- In what package type is the AD7414 available?
The AD7414 is available in a 6-lead SOT-23 package.
- What are some common applications for the AD7414?
Common applications include hard disk drives, personal computers, electronic test equipment, domestic appliances, cellular phones, and process control systems.
