SX8722: Sensor Interface

The main function of the SX8722 is to acquire signal from Wheatstone bridges or single ended sensors. The input can be a pressure sensor, a GMR or AMR magnetic sensor, a chemical sensor, a thermistor or a mix of several of these sensors.

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Features

  • 16 + 10 bits differential acquisition
  • Preamplifier programmable gain up to 1000
  • Sensor offset compensation up to 15 times full scale of input signal
  • 4 differential or 7 single ended signal inputs
  • 2 differential reference inputs
  • I2C compatible connection to application
  • Internal RC and 32kHz Oscillators
  • Low power modes
    • Sleep
    • Shutdown
  • 4 Full configuration pre selections including:
    • ZoomingADC™ configuration
    •  2 alarms with on & off thresholds
    • Digital filtering
  • I2C EEPROM interface
  • Clock out pin
  • Calibration pin
  • Reset pin
  • Ready/Busy pin

Applications

  • Pressure sensing (industrial, altimeter, diving computer)
  • Chemical sensing (monitoring,security)
  • Magnetic sensing (compass)

Packaging

MLPQ-44 (7X7 mm)

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Pb-Free/RoHS/WEEE Status

Related Documents

Product Selection Guides
Datasheets
Application Notes
Tools & Software
User Guides