Saturday, April 13, 2013

HP03SA Digital Pressure Sensor

HP03SA Digital Pressure Sensor is Small SMD-hybrid device on ceramic printed circuit board including precision piezo-resistive pressure sensor and ADC interface ICMiniature version of barometer/altimeter module
  • Provide 16-bit data word from pressure and temperature dependent voltage
  • Low power and low voltage device with automatic power down switching
  • I2C serial interface, used for communications with microprocessor
  • Fully software compatible to HP03 series
  • Outer dimensions compatible to HP03 series of pressure sensors
  • Gel protection of sensor provides a water protection sufficient for 100m water-resistant watches without any additional protection
  • Integrated pressure sensor
  • With 16-bit ADC
  • 11 coefficients for software compensation
  • One system clock line (32, 768Hz)
  • One hardware controlled reset line
  • 15-bit ADC resolution


  • Pressure range: 300 to 1, 100hPa
  • Supply voltage 2.0 to 5.0V 
  • Operating temperature range: -30 to +85 C

  • Pressure measurement and control systems
  • Mobile altimeter/barometer systems
  • Weather forecast products
  • Adventure or multi-mode watches