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PDF LPS22HB Data sheet ( Hoja de datos )
| Número de pieza | LPS22HB | |
| Descripción | MEMS nano pressure sensor | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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LPS22HB
MEMS nano pressure sensor: 260-1260 hPa absolute
digital output barometer
Datasheet - production data
HLGA-10L
(2.0 x 2.0 x 0.76 mm)
Features
260 to 1260 hPa absolute pressure range
Current consumption down to 3 μA
High overpressure capability: 20x full-scale
Embedded temperature compensation
24-bit pressure data output
16-bit temperature data output
ODR from 1 Hz to 75 Hz
SPI and I²C interfaces
Embedded FIFO
Interrupt functions: Data Ready, FIFO flags,
pressure thresholds
Supply voltage: 1.7 to 3.6 V
High shock survivability: 22,000 g
Small and thin package
ECOPACK® lead-free compliant
Applications
Altimeters and barometers for portable devices
GPS applications
Weather station equipment
Sport watches
Description
The LPS22HB is an ultra-compact piezoresistive
absolute pressure sensor which functions as a
digital output barometer. The device comprises a
sensing element and an IC interface which
communicates through I2C or SPI from the
sensing element to the application.
The sensing element, which detects absolute
pressure, consists of a suspended membrane
manufactured using a dedicated process
developed by ST.
The LPS22HB is available in a full-mold, holed
LGA package (HLGA). It is guaranteed to operate
over a temperature range extending from -40 °C
to +85 °C. The package is holed to allow external
pressure to reach the sensing element.
Order code
LPS22HBTR
Table 1. Device summary
Temperature range [°C]
Package
-40 to +85°C
HLGA-10L
Packing
Tape and reel
November 2016
This is information on a product in full production.
DocID027083 Rev 5
1/49
www.st.com
1 page  
LPS22HB
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Table 15.
Table 16.
Table 17.
Table 18.
Table 19.
Table 20.
Table 21.
Table 22.
Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Pressure and temperature sensor characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
DC characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
SPI slave timing values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
I2C slave timing values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Serial interface pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
I2C terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
SAD+Read/Write patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Transfer when master is writing one byte to slave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Transfer when master is writing multiple bytes to slave . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Transfer when master is receiving (reading) one byte of data from slave . . . . . . . . . . . . . 27
Transfer when master is receiving (reading) multiple bytes of data from slave . . . . . . . . . 27
Registers address map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Output data rate bit configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Low-pass filter configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Interrupt configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
FIFO mode selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
FIFO_STATUS example: OVR/FSS details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Document revision history. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
DocID027083 Rev 5
5/49
49
5 Page 
LPS22HB
Mechanical and electrical specifications
3.2
Electrical characteristics
VDD = 1.8 V, T = 25 °C, unless otherwise noted.
Table 4. Electrical characteristics
Symbol
Parameter
Test condition Min.
VDD Supply voltage
1.7
Vdd_IO IO supply voltage
Idd Supply current
IddPdn
Supply current in power-down
mode
@ ODR 1 Hz
LC_EN bit = 0
@ ODR 1 Hz
LC_EN bit = 1
1.7
1. Typical specifications are not guaranteed.
Typ.(1) Max. Unit
3.6
Vdd+0.1
V
V
12
μA
3
1 μA
Symbol
Table 5. DC characteristics
Parameter
Condition Min. Typ. Max. Unit
DC input characteristics
Vil
Low-level input voltage
(Schmitt buffer)
Vih
High-level input voltage
(Schmitt buffer)
DC output characteristics
-
-
-
0.2 *
Vdd_IO
V
-
0.8 *
Vdd_IO
-
-V
Vol Low-level output voltage
Voh High-level output voltage
0.2 -
-V
-
-
Vdd_IO-
0.2
V
DocID027083 Rev 5
11/49
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11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet LPS22HB.PDF ] | |
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