New Product Introduction

STMicroelectronics STTS22H

STTS22H - Low-voltage, ultra-low-power, 0.5 °C accuracy I2C/SMBus 3.0 temperature sensor

Front and back side of STMicroelectronics' STTS22H temperature sensor

The STTS22H is an ultra-low-power, high accuracy, digital temperature sensor offering high performance over the entire operating temperature range.

The STTS22H is a band gap temperature sensor coupled with an A/D converter, signal processing logic and an I²C/SMBus 3.0 interface all in a single ASIC.

This sensor is housed in a small 2 x 2 x 0.50 mm 6-lead UDFN package with exposed pad down for a better temperature match with the surrounding environment.

The STTS22H is factory calibrated and requires no additional calibration efforts on the customer side.

 

Features

  • Key features
    • Integrated high-accuracy temperature sensor
    • Factory calibrated
    • One-shot mode for power saving
  • Electrical specifications
    • Supply voltage: 1.5 to 3.6 V
    • I²C, SMBus 3.0 with ALERT (ARA) support
    • Programmable thresholds with interrupt pin
    • Supports up to 1 MHz serial clock
    • Up to 2 I²C/SMBus slave addresses
    • Ultra-low current: 1.75 µA in one-shot mode
  • Sensing specifications
    • Operating temperature -40 °C to +125 °C
    • Temperature accuracy (max.): ± 0.5 °C (-10 °C to +60 °C)
    • 16-bit temperature data output
  • Package specifications
    • UDFN 2.0 x 2.0 x 0.50 mm, 6 leads with exposed pad down
    • ECOPACK, RoHS and “Green” compliant

 

Applications

  • Wearable devices
  • Smart home automation
  • Asset and goods tracking
  • Smartphones
  • HVAC
  • Refrigerators
  • Air humidifiers
  • Portable consumer devices
  • White goods
  • Thermostats

 

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