ILPS22QSTR datasheet(51/57 Pages) STMICROELECTRONICS

Part #	ILPS22QSTR

Description	Dual full-scale, 1260 hPa and 4060 hPa, absolute digital output barometer with embedded Qvar electrostatic sensor

PDF	57 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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51 / 57 page

Revision history

Table 27. Document revision history

Date

Version

Changes

01-Oct-2021

Initial release

22-Dec-2021

Added Qvar functionality

Updated Idd in Table 4. Electrical characteristics - pressure and temperature

and added Table 5. Electrical parameters of Qvar (@Vdd = 1.8 V, T = 25 °C)

and Table 6. Input impedance of Qvar

Updated GETPID command in Table 18. MIPI I3CSM CCC commands

Updated Section 6 Application hints, added Figure 15. AH (analog hub) / Qvar

external connections to pin 5, pin 7, added Section 6.1 Analog hub (AH) /

Qvar functions and Section 6.2 Power-saving tip for the pressure sensor,

disabling the analog hub (AH) / Qvar feature

Added Table 23. Power consumption for Qvar acquisition

Updated CTRL_REG3 (12h)

Minor textual updates

04-May-2022

Updated setting for 200 Hz in Table 20. Output data rate bit configurations

Updated CTRL_REG3 (12h), adding the AH_QVAR_P_AUTO_EN bit

Updated FIFO_CTRL (14h), adding the AH_QVAR_P_FIFO_EN bit

Minor textual updates

ILPS22QS

DS13431 - Rev 3

page 51/57

ILPS22QSTR Datasheet(PDF) 51 Page - STMicroelectronics