Alternative Parts


Features and Benefits

  • 10-Bit Temperature-to-Digital Converter
  • –40°C to +125°C Operating Temperature Range
  • ±2°C Accuracy
  • SPI-and DSP-Compatible Serial Interface
  • Shutdown Mode
  • Space-Saving SOT-23 Package

Product Details

The AD7814 is a complete temperature monitoring system in a SOT-23 package or 8-lead MSOP package. It contains a band gap temperature sensor and 10-bit ADC to monitor and digitize the temperature reading to a resolution of 0.25°C

The AD7814 has a flexible serial interface that allows easy interfacing to most microcontrollers. The interface is compatible with SPI®, QSPI, and MICROWIRE protocol, and is also compatible with DSPs. The part features a standby mode that is controlled via the serial interface.

The AD7814’s wide supply voltage range, low supply current, and SPI-compatible interface make it ideal for a variety of applications, including personal computers, office equipment, and domestic appliances.


  1. The AD7814 has an on-chip temperature sensor that allows an accurate measurement of the ambient temperature. The measurable temperature range is –55°C to +125°C, with a ±2°C temperature accuracy.
  2. Supply voltage of 2.7 V to 5.5 V
  3. Space-saving 6-lead SOT-23 package and 8-lead MSOP package
  4. 10-bit temperature reading to 0.25°C resolution
  5. Standby mode that reduces the current consumption to 1 µA


  • Hard Disk Drives
  • Personal Computers
  • Electronic Test Equipment
  • Office Equipment
  • Domestic Appliances
  • Process Control

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Tools & Simulations

IBIS Models