ShenzhenYijiajie Electronic Co., Ltd.
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MS5540CM Pressure Sensor Miniature Barometer Module SMD Hybrid Device
The MS5540C is a SMD-hybrid device including a precision piezoresistive pressure sensor and an ADC-Interface IC. The
MS5540C HE is the high endurance version of MS5540C sensor. It is a miniature version of the MS5534C barometer/altimeter
module and provides a 16 Bit data word from a pressure and temperature dependent voltage. MS5540C is a low power, low
voltage device with automatic power down (ON/OFF) switching. A 3-wire interface is used for all communications with a microcontroller.
Compared to MS5534A the pressure range (measurement down to 10 mbar) has been improved. The MS5540C is fully software
compatible to the MS5534C and previous versions of MS5540. In addition, the MS5540C is from its outer dimensions compatible to
the MS54XX series of pressure sensors. Compared to the previous version the ESD sensitivity level has been improved to
4kV on all pins. The gel protection of the sensor provides a water protection sufficient for 100 m waterproof watches without any
additional protection.
FEATURES
* 10 - 1100 mbar absolute pressure range
* 6 coefficients for software compensation stored onchip
* Piezoresistive silicon micromachined sensor
* Integrated miniature pressure sensor 6.2 x 6.4 mm
* 16 Bit ADC
* 3-wire serial interface
* 1 system clock line (32.768 kHz)
* Low voltage and low power consumption
* High Endurance (HE version)
Specification:
| Range | 10-110mbar |
| ADC | 16bit |
| Resolution | 0.1mbar |
| Response time | 35ms |
