User Manual WSEN-PADS / 2511020213301 (Wurth Elektronik) - 12

2.3 Pressure sensor specification
Unless otherwise stated, all the specified values were measured under the following condi- tions: T=25°C, VDD=3.3 V. Value Parameter Symbol Test conditions Unit Min Typ Max Measurement P range RANGE 26 126 kPa Absolute P accuracy1 ACC_ABS T= -20 to 80°C ±100 Pa Relative P= 80 to 110 P ±2.5 Pa accuracy2 ACC_REL kPa T= 25°C Resolution RESP 24 bit Sensitivity SENP 1/40960 kPa/digit Output data rate ODR 1 200 Hz Low pass filter Pa Noise (RMS)3 PNOISE 0.75 enabled RMS Offset change P= 66 to 116 kPa P ±65 Pa/°C over temperature TCO T= -20 to 65°C Long term drift PDRIFT ±33 Pa/Year Table 4: Pressure sensor specifications 1. Absolute accuracy includes the soldering drift effects. 2. Typical value is defined based on characterization data with 2kPa interval. 3. Pressure noise RMS is measured in a controlled environment.
2.4 Temperature sensor specification
Value Parameter Symbol Test conditions Unit Min Typ Max Measurement range TRANGE -40 +85 °C Absolute accuracy TACC_ABS T= 0 to 80°C ±1.5 °C Resolution REST 16 bit Sensitivity SENT 0.01 °C/digit Table 5: Temperature sensor specifications Absolute pressure sensor, Part Nr. 2511020213301 User manual version 1.0 © June 2019 www.we-online.com/sensors 11 Document Outline Introduction Application Key features Ordering information Block diagram Operational functionality MEMS Cell ASIC Calibration Digital filtering FIFO memory Filtering chain and data path Sensor specifications General information Absolute maximum ratings Pressure sensor specification Temperature sensor specification Electrical specifications Pinning information Pin configuration Pin description Digital interface General characteristics [fig:pinout]SDA and [fig:pinout]SCL logic levels Communication phase Idle state START(S) and STOP(P) condition Data validity Byte format Acknowledge(ACK) and No-Acknowledge(NACK) Slave address for the sensor Read/Write operation I2C timing parameters Application circuit Quick start guide Power-up sequence Communication with host controller Reboot Software reset Sensor operation: single conversion mode Sensor operation: continuous mode Power-off sequence Modes of operation Power-down mode Single conversion mode Continuous mode Additional configurations Low-power or low-noise configuration Enabling additional low-pass filter Reading output data Reading pressure values Reading temperature values Status register for reading the data FIFO buffer Bypass mode FIFO mode Continuous mode Bypass-to-FIFO mode Bypass-to-continuous mode Continuous-to-FIFO mode FIFO status monitoring and control User-defined FIFO threshold Reading data from FIFO buffer Interrupt functionality Interrupt generation on pressure data-ready Interrupt generation based on pressure threshold Interrupt latching FIFO status based interrupt events Routing interrupt events to the [fig:pinout]INT pin Register map Register description INT_CFG (0x0B) THR_P_L (0x0C) THR_P_H (0x0D) INTERFACE_CTRL (0x0E) DEVICE_ID (0x0F) CTRL_1 (0x10) CTRL_2 (0x11) CTRL_3 (0x12) FIFO_CTRL (0x13) FIFO_WTM (0x14) REF_P_L (0x15) REF_P_H (0x16) OPC_L (0x18) OPC_H (0x19) INT_SOURCE (0x24) FIFO_STATUS_1 (0x25) FIFO_STATUS_2 (0x26) STATUS (0x27) DATA_P_XL (0x28) DATA_P_L (0x29) DATA_P_H (0x2A) DATA_T_L (0x2B) DATA_T_H (0x2C) FIFO_DATA_P_XL (0x78) FIFO_DATA_P_L (0x79) FIFO_DATA_P_H (0x7A) FIFO_DATA_T_L (0x7B) FIFO_DATA_T_H (0x7A) Physical dimensions Sensor drawing Footprint Manufacturing information Moisture sensitivity level Soldering Reflow soldering Cleaning and washing Potting and coating Storage conditions Handling Important notes General customer responsibility Customer responsibility related to specific, in particular safety-relevant applications Best care and attention Customer support for product specifications Product improvements Product life cycle Property rights General terms and conditions Legal notice Exclusion of liability Suitability in customer applications Usage restriction License agreement for Würth Elektronik eiSos GmbH & Co. KG sensor product software and source code Limited license Usage and obligations Ownership Disclaimer of warranty Limitation of liability Applicable law and jurisdiction Severability clause Miscellaneous