Digital Absolute Pressure Sensor KP254 dBAP Digital Barometric Air Pressure Sensor IC Data Sheet Revision 1.1, 2015-07-29 Sense & ControlKP254 Digital Absolute Pressure Sensor Table of Contents 1 Product Description . 5 1.1 Features . 5 1.2 Target Applications . 5 2 Functional Description . 6 2.1 Pin Configuration . 6 2.2 Pin Description . 6 2.3 Block Diagram 7 2.4 Transfer Function Pressure 7 2.4.1 Pressure Transfer Function Characteristics 8 2.4.2 Accuracy . 8 2.5 Transfer Function Temperature 9 2.5.1 Temperature Transfer Function Characteristics 9 2.6 Serial Interface 10 2.6.1 Commands 10 2.6.1.1 Command Behavior 10 2.6.1.2 Structure . 11 2.6.1.3 Parity . 11 2.6.1.4 Command Definition . 12 2.6.1.5 Communication Error 13 2.6.1.6 Identifier Response Definition . 13 2.6.2 Single Device Operation 14 2.6.3 Daisy Chain Operation 15 2.7 Start-up Behavior 16 2.8 Diagnosis . 16 2.8.1 Diagnostic Reset . 17 2.8.1.1 Reset-bit C12 = 0 17 2.8.1.2 Reset-bit C12 = 1 17 2.8.2 Pressure out of Range 18 2.8.3 Diag1 . 18 2.8.4 Diag2 . 18 2.8.5 E2PROM Check . 19 3 Specification 20 3.1 Application Circuit Example . 20 3.2 Absolute Maximum Ratings . 21 3.3 Operating Range . 22 3.4 Characteristics 23 4 Package Information . 27 4.1 PG-DSOF-8-16 Outline 27 4.2 Identification Code 28 5 Revision History . 29 Data Sheet 2 Revision 1.1, 2015-07-29