参数资料
型号: MPL115A2
厂商: Freescale Semiconductor
文件页数: 9/16页
文件大小: 0K
描述: IC BAROMETER I2C DGTL MINI 8LGA
标准包装: 490
压力类型: 绝对
工作压力: 7.25 ~ 16.68 PSI,50 ~ 115 kPa
输出: SPI
精确度: ±1%
电源电压: *
端接类型: PCB
工作温度: *
封装/外壳: 8-TLGA
a0 coefficient MSB
= 0x3E
a0 coefficient LSB
b1 coefficient MSB
= 0xCE a0 coefficient
= 0xB3
= 0x3ECE = 2009.75
b1 coefficient LSB
b2 coefficient MSB
= 0xF9 b1 coefficient
= 0xC5
= 0xB3F9
= -2.37585
b2 coefficient LSB
= 0x17
b2 coefficient
= 0xC517
=
-0.92047
c12 coefficient MSB = 0x33
c12 coefficient LSB
= 0xC8 c12 coefficient = 0x33C8
= 0.000790
Figure 4. I 2 C Start Conversion Datagram
Command to I 2 C Start Conversion, 0x12
Figure 5. I 2 C Read Results Datagram
Pressure MSB
= 0x66
Pressure LSB
= 0x80
Pressure
= 0x6680
= 0110 0110 1100 0000
= 410 ADC counts
Temperature MSB = 0x7E
Temperature LSB
= 0xC0
Temperature
= 0x7EC0 = 0111 1110 1100 0000
= 507 ADC counts
MPL115A2
Sensors
Freescale Semiconductor, Inc.
9
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