Digital Absolute Pressure Sensor KP253
Product Overview
The KP253 is a miniaturized Digital Barometric Air Pressure Sensor IC utilizing a capacitive principle. It features a surface-micromachined design with an integrated signal conditioning circuit in BiCMOS technology. This sensor converts pressure into a 12-bit digital value and communicates via an SPI interface. An integrated temperature sensor provides 12-bit temperature data also accessible through the SPI interface. The KP253 includes a self-diagnostic mode for testing sensor cells and signal paths, easily triggered via an SPI command. Packaged in a green SMD housing, it is suitable for measuring barometric air pressure and other applications requiring high accuracy, sensitivity, and reliability, including automotive, industrial, and consumer electronics.
Product Attributes
- Brand: Infineon Technologies
- Product Type: Digital Absolute Pressure Sensor IC
- Technology: BiCMOS
- Package: PG-DSOF-8-16 ("Green" SMD housing)
- Certifications: Automotive qualified, RoHS-compliant (Pb-free)
Technical Specifications
| Parameter | Symbol | Values | Unit | Note or Test Condition |
|---|---|---|---|---|
| Pressure Sensing Accuracy | 1.0 | kPa | ||
| Pressure Resolution | nres_pres | 12 | bits | |
| Temperature Sensor Resolution | nres_temp | 12 | bits | |
| Supply Voltage | VDD3.3 / VDD5.0 | 3.135 - 3.475 / 4.75 - 5.25 | V | |
| Operating Temperature | Ta | -40 +125 | C | |
| Ambient Operating Pressure Range | pamb | 60 165 | kPa | |
| Supply Current (Active) | IVDD | 10.0 mA | ||
| Supply Current (Power-down) | IVDD_PD | 12.0 A | ||
| SPI Clock Frequency | fSPI | 0.1 5 | MHz | |
| Pressure Transfer Function Gain | Sp | 39 | LSB /kPa | |
| Pressure Transfer Function Offset | offsp | -2340 | LSB | |
| Temperature Transfer Function Gain | ST | 20.48 | LSB /C | |
| Temperature Transfer Function Offset (VDD=5.0V) | offsT_5.0 | 819 | LSB | |
| Temperature Transfer Function Offset (VDD=3.3V) | offsT_3.3 | 839 | LSB | |
| Maximum Input Pressure (Limited time) | pamb_max | 600 kPa | Max. 300 s |
2411220217_Infineon-KP253_C538515.pdf
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