KP235 Analog Absolute Pressure Sensor
Product Overview
The KP235 is a miniaturized analog barometric air pressure sensor IC utilizing a capacitive principle and surface micromachining technology. Integrated with a BiCMOS signal conditioning circuit, it converts pressure into a calibrated analog output signal. Designed for measuring barometric air pressure, it also serves various other applications requiring high accuracy and sensitivity, including automotive, industrial, and consumer electronics. The sensor features a calibrated transfer function from 40 kPa to 115 kPa, outputting a voltage range of 0.5 V to 4.5 V, and is housed in a green 8-pin SMD package.
Product Attributes
- Brand: Infineon Technologies
- Technology: BiCMOS
- Housing: Green 8-pin SMD
- Qualification: Automotive qualified
Technical Specifications
| Specification | Value | Unit | Notes | |
|---|---|---|---|---|
| Product Type | Analog Absolute Pressure Sensor | |||
| Model Name | KP235 | |||
| Ordering Code | SP000700776 | |||
| Package | PG-DSOF-8-16 | |||
| Pressure Sensing Principle | Capacitive | |||
| Signal Conditioning | Monolithic integrated signal conditioning circuit | BiCMOS technology | ||
| Calibrated Pressure Range | 40 - 115 | kPa | ||
| Output Voltage Range | 0.5 - 4.5 | V | Corresponds to pressure range | |
| High Precision Pressure Sensing | 1.2 | kPa | ||
| Temperature Range | -40 to 125 | C | ||
| Ratiometric Output | Yes | |||
| Broken Wire Detection | Yes | |||
| Supply Voltage (VDD) | 4.5 - 5.5 | V | Typ. 5.0 V | |
| Supply Current (IDD) | 8 - 10 | mA | Typ. 8 mA, peak up to 22 mA during power up | |
| Response Time (tR) | 0.65 - 1.03 | ms | 10% to 90% of final value | |
| Stabilization Time (tS) | - | 10 | ms | For full accuracy |
| Power-up Time (tUP) | - | 5 | ms | 90% of final output value |
| Overall Accuracy (Pressure) | -1.2 to 2.4 | kPa | 0C to 85C: 1.2 kPa; -40C and 125C: 2.4 kPa | |
| Ratiometric Error (ERAT) | -25 to 25 | mV | ||
| Sensitivity (S) | 53.3 | mV /kPa | ||
| Absolute Maximum Supply Voltage (VDD_max) | -0.3 to 6.5 | V | Reverse polarity: -0.3 to -6.5 V (IDD < 300 mA) | |
| Absolute Maximum Input Pressure (pamb_max) | 40 - 600 | kPa | Limited time: Max. 300 s | |
| Storage Temperature (TS) | -60 to 150 | C | ||
| Thermal Resistance (RthJA) | - | 180 | K/W | Die to ambient; according to JESD51-2 |
| ESD Robustness (HBM) | - | 2 | kV | According to EIA / JESD22-A114-E |
2410121538_Infineon-KP235XTMA1_C5310867.pdf
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