KP467 datasheet(14/49 Pages) INFINEON

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4.2

Functional description

4.2.1

Transfer function pressure

The KP46x pressure calibration is adjusted with the parameters Sp and offsp. The formula in order to calculate the

ambient pressure based on these parameters and the sensor output is shown below:

pamb= outp−offsp

(1)

The KP46x device is fully calibrated on delivery. The sensor has a linear transfer function between the applied

pressure and the digital output signal. The device provides an absolute pressure value by triggering the Acquire

Pressure Command 8 bits or Acquire Pressure Command 16 bits.

Pressure [kPa]

LSBOUT,1

LSBOUT,2

pIN,1

Operating Pressure Range

Maximum Input Pressure Range

Zoom

pIN,2

pamb_max

(max)

pamb_max

(min)

Figure 3

Pressure transfer function

Table 10

Pressure transfer function characteristics (10-bit)

Pressure

Output Code

Symbol

Values (Typ.)

Unit

Symbol

Values (Typ.) Unit

pIN,1

kPa

LSBOUT,1

LSB

pIN,2

200

kPa

LSBOUT,2

1023

LSB

Table 11

Gain and offset pressure transfer function (10-bit)

Gain and Offset

Symbol

Values (Typ.)

Unit

6.60

LSB/kPa

offsp

-297

LSB

KP467

Datasheet

4 Product features

Datasheet

Rev. 1.00

2023-11-23

KP467 Datasheet(PDF) 14 Page - Infineon Technologies AG

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