STHS34PF80

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Low-power, high-sensitivity infrared sensor for presence and motion detection

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Product overview

Description

The STHS34PF80 is an uncooled, factory calibrated, IR sensor with operating wavelength between 5 µm and 20 µm. The STHS34PF80 sensor has been designed to sense accurately the absolute temperature of objects within its field of view. The information is digitally processed by the ASIC which can be programmed to monitor motion, presence or an overtemperature condition.
Thanks to its exceptional sensitivity, the STHS34PF80 can detect human presence at a distance up to 6 meters without the need of a Fresnel lens.
The STHS34PF80 is housed in a small 3.2 x 4.2 x 1.455 (max) mm 10-lead organic LGA package.
  • All features

    • Key features
      • High-sensitivity, infrared presence and motion sensor
      • Reach up to 4 meters without lens for objects of 70 x 25 cm² and up to 6 meters for assumable human body size
      • Integrated silicon IR filter
      • SMD friendly
      • Capable of detecting stationary objects
      • Capable of distinguishing between stationary and moving objects
      • 80° field of view
      • Factory calibrated
      • Low power
      • Embedded smart algorithm for presence / motion detection
    • Electrical specifications
      • Supply voltage: 1.7 V to 3.6 V
      • Supply current: 10 µA
      • 2-wire I²C / 3-wire SPI serial interface
      • Programmable ODRs from 0.25 Hz to 30 Hz
      • One-shot mode
    • Sensing specifications
      • IR sensitivity: 2000 LSB/°C
      • Noise: 120 LSBp-p
      • Operating wavelength: 5 µm to 20 µm
      • Local temperature sensor accuracy: ±0.5 °C
    • Package specifications
      • Organic LGA 3.2 x 4.2 x 1.455 (max) mm, 10 leads
      • ECOPACK, RoHS and “Green” compliant

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STMicroelectronics - STHS34PF80

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