Barometer

Classification：

MEMS Pressure sensor

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Product description

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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	2.72.71.77mm	Absolute	30-110kPa	IIC	-40-85℃
MSPC130-ADS1	Wearable electronic	2.72.71.77mm	Absolute	30-130kPa	IIC	-40-85℃
MSPC500-ADS1	Wearable electronic	2.72.71.77mm	Absolute	30-500kPa	IIC	-40-85℃
MSPC15M-ADS1	Wearable electronic	2.72.71.77mm	Absolute	30-1500kPa	IIC	-40-85℃
MSPC04-GDS1	Wearable electronic	442mm	Gauge	0-40kPa	IIC	-40-85℃
MSP890	Altimeter/Barometer	220.77mm	Absolute	30-130kPa	IIC	-40-85℃
MSP881	Altimeter/Barometer	2 2.50.99mm	Absolute	30-130kPa	IIC	-40-85℃
MSP891	Altimeter/Barometer	2 2.50.99mm	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
Absolute Pressure Accuracy		300～1100 hPa， 0～65 ℃			±1		hPa
Relative Accuracy		P = 900 - 1100hPa			±10		Pa
Relative Accuracy		T = 25 °C			±10		Pa
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