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CPS131防水压力传感器 CPS131是基于SIP(系统级封装)解决方案,由桥式硅压阻芯片和校正过的具有18位数字处理输出芯片组成,提供高分辨率和很精准的压力测量。

型  号:
CPS131
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741.77KB 共0页
厂  商:
无锡康森斯克电子科技有限公司
主  页:
http://www.consensic.com/cn/index.html
功能介绍:
CPS131防水压力传感器 CPS131是基于SIP(系统级封装)解决方案,由桥式硅压阻芯片和校正过的具有18位数字处理输出芯片组成,提供高分辨率和很精准的压力测量。
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CPS131 Consensic Data Sheet Water ResistantPressure Sensor Rev│4.0 November 2014 DAT-0006 CPS131 Consensic Water Resistant Pressure Sensor Water Resistant Overview The CPS131SiP (System-in-a-Package) solution comprises of aresistive bridge type pressure sensor and an18-bit calibration math DSP for high resolution and accurate pressure measurements. The fully calibrated pressure and temperature compensated digital output makes the CPS131 solution simple to use.The ADC comprise of an internal calibration logic that provides accurate pressure and temperature measurements to the application via the SPI or I²C interface.There is no need to separately download internal calibration coefficients and have the host micro-controller conduct complicated compensation calculations. Applications      Sports Watches Altimeters Portable and Stationary Barometers Weather Stations GPS Applications Benefits     Water Protection up to 100m Gel Filled Stainless Steel Ring for Sealing Low Power Consumption. Excellent for Battery and Other Low-Power Applications External Clock not Required Features        Factory Calibrated Pressure and Temperature Sensor Supply Voltage: 1.8V to 3.6V Sleep State Current: DAT-0006, Rev 4.0 © 2014 Consensic, Inc. All rights reserved. The information contained in this document is subject to changes without notice. Page 15 of 21 CPS131 Consensic Water Resistant Pressure Sensor Water Resistant 3.1.1.4 SPI MEASUREMENT REQUEST The SPI MR is used to wake up the device in Sleep mode and start a complete Pressure measurement and Temperature st nd rd measurement cycle. The SPI command request always consists of 3 bytes. The 1 byte is 0xAC, the 2 and 3 bytes are all filled with 0s. FIGURE 6: SPI MEASUREMENT REQUEST COMMAND (ACHEX) FIGURE 7: SPI MEASUREMENT REQUEST FOLLOWED BY GET DATA COMMAND DAT-0006, Rev 4.0 © 2014 Consensic, Inc. All rights reserved. The information contained in this document is subject to changes without notice. Page 16 of 21 CPS131 Water Resistant Pressure Sensor Consensic Water Resistant 4 CALCULATING OUTPUT After retrieving the data, the compensated output can be calculated by following the equations below. 4.1 PRESSURE OUTPUT An example of the 16-bit compensated pressure with a full scale range of 30 to 120kPa can be calculated as follows: Pressure [kPa] = [(Pressure High Byte [15:8] x 256 + Pressure Low Byte [7:0]) / 2^16] x 90 + 30 4.2 TEMPERATURE OUTPUT The 16-bit compensated temperature can be calculated as follows: Temperature [°C] = [(Temperature High Byte [15:8] x 256 + Temperature Low Byte [7:0]) / 2^16] x 150 – 40 DAT-0006, Rev 4.0 © 2014 Consensic, Inc. All rights reserved. The information contained in this document is subject to changes without notice. Page 17 of 21 CPS131 Water Resistant Pressure Sensor Consensic Water Resistant 5 PACKAGE AND ASSEMBLY The CPS131 is available in a SMD package on a ceramic substrate. 5.1 MECHANICAL DRAWING DAT-0006, Rev 4.0 © 2014 Consensic, Inc. All rights reserved. The information contained in this document is subject to changes without notice. Page 18 of 21 CPS131 Water Resistant Pressure Sensor Consensic Water Resistant 5.2 SOLDERING CONDITIONS DAT-0006, Rev 4.0 © 2014 Consensic, Inc. All rights reserved. The information contained in this document is subject to changes without notice. Page 19 of 21 CPS131 Consensic Water Resistant Pressure Sensor TABLE4:Water Resistant PACKAGE REFLOW TEMPERATURE PARAMETER Soldering Peak Temperature CONDITIONS Less than 30 seconds (JEDEC-STD-020 Standard) MIN TYP MAX UNITS 260 °C 6 DOCUMENT HISTORY REVISION 0.1 0.2 1.0 2.0 3.0 4.0 DATE 15-JAN-2013 18-FEB-2013 06-MAY-2013 23-AUG-2013 08-AUG-2014 10-NOV-2014 DESCRIPTION Preliminary Corrected Temperature Calculation on Page 17 Production Release Updated Mechanical Pin Out for SPI Add The Detail Description of Power Consumption 2 Changed Part Number, Clarified I C/SPI Communication, General Formatting DAT-0006, Rev 4.0 © 2014 Consensic, Inc. All rights reserved. The information contained in this document is subject to changes without notice. Page 20 of 21 CPS131 Water Resistant Pressure Sensor Consensic Water Resistant 7 DISCLAIMER Information in this datasheet is provided solely to enable implementation and use of Consensic products. The specifications and characteristics are subject to change without notice. Consensic reserves the right to make changes without further notice to any products herein. “Typical” parameters provided in this datasheet can and do vary in different applications and actual performance may vary over time. Customers must validate all operating parameters for their application. Consensic is not responsible for direct, indirect, incidental or consequential damages resulting from any defect, error or failure to perform. In no event, regardless of cause, shall Consensic incur any liability for any damages of any kind, including, but not limited to, any direct, indirect, special, incidental, punitive or consequential damages arising out of, resulting from, or any way connected to the use of the product, whether arising under breach of contract, tort (including negligence), strict liability or otherwise, and whether based on this agreement or otherwise, even if advised of the possibility of such damages, and whether or not injury was sustained by persons or property or otherwise; and whether or not loss was sustained from, or arose out of, the results of, the product, or any services that may be provided by Consensic. The customer assumes all responsibility and liability for proper and safe handling of the goods. It is the customer’s responsibility to take any and allappropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant oragency certified (FCC, UL, CE, etc.). No License is granted under any patent right or other intellectual property whatsoever. Consensic assumes no liability for applications assistance, customer product design, software performance, or infringement of patents or any other Intellectual property rights of any kind. DAT-0006, Rev 4.0 © 2014 Consensic, Inc. All rights reserved. The information contained in this document is subject to changes without notice. Page 21 of 21

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