Semtech SX8722
High gain acquisition for 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.
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
- 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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