FXPS7115D4S datasheet(57/72 Pages) NXP

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NXP Semiconductors

FXPS7115D4S

Digital absolute pressure sensor, 40 kPa to 115 kPa

VCC_min ≤ (VCC – VSS) ≤ VCC_max, TL ≤ TA ≤ TH, ΔT ≤ 25 °C/min, unless otherwise specified.

Symbol

Parameter

Condition

Min

Typ

Max

Units

tST_FP_Resp

Fixed pattern response time: self-test

activation/deactivation

[4] —

—

100

μs

fPackage

Package resonance frequency

[4] 27.1

—

kHz

Supply and support circuitry

tVCC_POR

VCC = VCCMIN to POR

release

[2] —

—

tPOR_I2C/POR_SPI

POR to first I2C/SPI

command

[4] 0.800

—

tPOR_DataValid

POR to sensor data valid

[4] —

—

tRANGE_DataValid

Reset recovery (all modes, excluding

VCC voltage ramp time)

DSP setting change to

sensor data valid

[2] —

—

tSOFT_RESET_I2C

Soft reset activation time, command

complete to reset (no ACK follows)

[4] —

—

700

tSOFT_RESET_SPI

Soft reset activation time, SS_B high to

reset

[4] —

—

700

tCC_POR

VCC undervoltage detection delay

[4] —

—

μs

tUVOV_RCV

Undervoltage/overvoltage recovery

delay

[4] —

100

—

μs

fOSC

Internal oscillator period

[2] [4] 9.500

10.000

10.500

MhZ

Table 105. Dynamic characteristics...continued

[1]

Parameter verified by characterization.

[2]

Parameter verified by functional evaluation.

[3]

See Section 7.5.6, CMISO ≤ 80 pF, RMISO ≥ 10 kΩ

[4]

Functionality verified by modeling, simulation and/or design verification.

12 Media compatibility—pressure sensors only

For more information regarding media compatibility information, contact your local sales representative.

Note:

The devices contain a gel that protects the pressure transducer and its inter-die connection wires from

corrosion, which might otherwise result in catastrophic failure modes. NXP has observed that direct exposure

to materials with the same or nearly-the-same solubility can potentially result in a corruption of the protective

gel. A corruption can be less than catastrophic in nature, however may result in an offset of the pressure

measurement from its factory calibrated value. An offset can potentially be larger than the allowed tolerances

published in this data sheet.

Further, NXP does not recommend direct exposure to strong acid or strong base compounds as they can

potentially result in a similar corruption as described above, or may result in a dissolution of the protective

gel and/or the metal lid adhesive and/or the plastic device body. Such a dissolution can be catastrophic in

nature, damaging the transducer surfaces and/or internal wire bonds and/or the control die surfaces. A potential

dissolution may result in a similar offset, or cause the device to indicate overflow/underflow status, or may

cause the device to cease operating in the worst case.

For a list of compounds known to generate out-of-tolerance offsets and/or catastrophic device failure, please

contact an NXP sales representative.

13 Pressure sensor accuracy (drift over temperature and life)

The absolute pressure accuracy is specified in Figure 23 and Figure 24.

FXPS7115D4S

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 1.4 — 3 November 2023

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