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Barometer

The barometer product adopts a unique LGA packaging form, which has been verified for a long time and is stable and reliable. The atmospheric pressure measuring device with high stability can provide accurate digital signal output linearly related to the external sensing pressure.
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MEMS Pressure sensor
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Product features:

  The barometer product adopts a unique LGA packaging form, which has been verified for a long time and is stable and reliable. The atmospheric pressure measuring device with high stability can provide accurate digital signal output linearly related to the external sensing pressure. The waterproof barometer covers more pressure ranges and can measure atmospheric pressure. At the same time, it can also use the linear relationship between liquid level depth and pressure to measure depth. The waterproof adhesive with medium isolation can not only realize pressure transmission, but also protect devices from seawater corrosion. It is suitable for wearable products, such as bracelets and watches. The MEMS pressure sensor adopts the advanced ion implantation process and the sensa process with the unique patented technology of sensitive core Co., Ltd. the sensa process not only ensures the long-term stability and reliability of the product, but also realizes low cost.
The device is internally integrated with 24 bit sigma delta ADC, OTP memory and i2c/spi communication interface. External MCU reads ADC converted data through i2c/spi communication interface, and reads device calibration parameters stored in OTP. Through specific calibration formula, the current pressure value (PA) can be calculated.

Product model:

Type specification Application Dimension Pressure type Pressure range Output type Operating Temperature
MSPC110-ADS1 Wearable electronic 2.7*2.7*1.77mm Absolute 30-110kPa IIC -40-85℃
MSPC130-ADS1 Wearable electronic 2.7*2.7*1.77mm Absolute 30-130kPa IIC -40-85℃
MSPC500-ADS1 Wearable electronic 2.7*2.7*1.77mm Absolute 30-500kPa IIC -40-85℃
MSPC15M-ADS1 Wearable electronic 2.7*2.7*1.77mm Absolute 30-1500kPa IIC -40-85℃
MSPC04-GDS1 Wearable electronic 4*4*2mm Gauge 0-40kPa IIC -40-85℃
MSP890 Altimeter/Barometer 2*2*0.77mm Absolute 30-130kPa IIC -40-85℃
MSP881 Altimeter/Barometer 2 *2.5*0.99mm Absolute 30-130kPa IIC -40-85℃
MSP891 Altimeter/Barometer 2 *2.5*0.99mm Absolute 30-130kPa IIC -40-85℃

技术参数: 

Parameter Condition Min Typ Max Units
Supply Voltage VDD 1.7   3.6 V
Operating Pressure Range   30   110 kPa
Operating Temperature Range   -40 25 85
Temperature Compensation Range   -10   50
  OSR_P OSR_T    
  128X 128X   2    
Current Consumption (1 conversion/sec.) 256X 256X   3.5   mA
  512X 512X   4.5    
  1024X 1024X   6    
Standby Current Sleep mode @25℃   0.27   mA
Conversion Time OSR_P OSR_T    
Conversion Time 128X 128X   1.5    
Conversion Time 256X 256X   2.5    
Conversion Time 512X 512X   3   ms
Conversion Time 1024X 1024X   4    
Absolute Pressure Accuracy 300~1100 hPa,
0~65 ℃
  ±1   hPa
Relative Accuracy P = 900 - 1100hPa   ±10   Pa
T = 25 °C
TCO P = 900 ~ 1100 hPa,
T = 25 ~ 65°C
  1   Pa/°C
  Pressure   24   Bit
ADC Resolution Temperature   15   Bit
RMS Noise   OSR_P    
RMS Noise Ultra low power 1024X   1.9   Pa
RMS Noise Low power 2048X   1.5   Pa
RMS Noise Standard resolution 4096X   1.2   Pa
RMS Noise High resolution 8192X   1   Pa
Absolute Temperature Accuracy @25 ℃   ±1  
Absolute Temperature Accuracy -10~50 ℃   ±1.5  
Long Term Stability 12 Months   ±1   hPa
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