MS5701 Differential & Gauge Digital Pressure Sensor

DESCRIPTION

The MS5701 is a new generation SMD-hybrid device from MEAS Switzerland which includes a high resolution differential pressure sensor with SPI and I2C bus interface. Gauge models are available.

The sensor module includes a high linear pressure sensor and an ultra low power 24 bit ADC with internal factory calibrated coefficients. It provies a precise digital 24 bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high resolution temperature output allows the implementation of a thermometer function without any additional sensor. The MS5701 can be interfaced to virtually any microcontroller. The communication protocol is simple, without the need to program internal registers in the device. This new sensor module generation is based on leading MEMS technology.  The MS5701 has low hysteresis and high stability of both pressure and temperature signals.

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FEATURES

  • Gauge pressure ranges: +5, +7.5, +10, +20, +50 mbar (+2, +3, +4, +8, +20 in H2O)
  • Differential pressure ranges: ±2.5, ±3.75, ±5, ±10, ±25 mbar (±1, ±1.5, ±2, ±4, ±10 in H2O)
  • High resolution module, 0.001 mbar (0.0004 in H2O)
  • Fast conversion, 0.54 ms
  • Supply voltage 1.8 to 3.6V
  • Integrated temperature sensor
  • Temperature range -20°C to 85°C
  • I2C or SPI interface up to 20 MHz
  • No external components (internal oscillator)
  • RoHS-compatible & Pb-free
  • Low power, 1 µA (standby <0.15 µA)

APPLICATIONS

  • HVAC
  • Respirators & ventilators
  • CPAP & sleep apnea instruments
  • Leak detection
  • Liquid level metering

DATA SHEETS

APPLICATION NOTES