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LPS001WP Folha de dados(PDF) 12 Page - STMicroelectronics

Nome de Peças LPS001WP
Descrição Electrónicos  MEMS pressure sensor 300-1100 mbar absolute digital output barometer
PDF  30 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LPS001WP Folha de dados(HTML) 12 Page - STMicroelectronics

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Application hints
LPS001WP
12/30
Doc ID 18171 Rev 1
5.2.1
Reduced power consumption procedure
1.
LPS001WP power down and low resolution mode
a)
Write CTRL_REG1 (20h) <= ‘1000xxxx’b
or
b)
Write CTRL_REG1 (20h) <= ‘0000xxxx’b (normal resolution)
2.
LPS001WP wake up
a)
Write CTRL_REG1 (20h) <= ‘1100xxxx’b
or
b)
Write CTRL_REG1 (20h) <= ‘0100xxxx’b (normal resolution)
3.
Wait 80 ms - settling time
4.
Output read
a)
Read PRESS_OUT_H (29h)
b)
Read PRESS_OUT_L (28h)
c)
Read TEMP_OUT_H (2Bh)
d)
Read TEMP_OUT_L (2Ah)
5.
LPS001WP power down and low power mode
a)
Write CTRL_REG1 (20h) <= ‘1000xxxx’b
or
b)
Write CTRL_REG1 (20h) <= ‘0000xxxx’b (normal resolution)
Note:
Power down and normal mode configuration: CTRL_REG1 (20h) <= ‘0000xxxx’b
Table 6.
Power consumption @ 1 Hz and @ 4 Hz ODR
Power consumption
Condition
Min. Typ.(1)
1.
Typical specifications are not guaranteed.
Max.
Unit
Idd
Supply current
Low resolution
ODR = 1 Hz
21
µA
Normal resolution
ODR = 4 Hz
75
Normal resolution
ODR = 1 Hz
40
Normal resolution
ODR = 4 Hz
150
Obsolete
Product(s)
- Obsolete
Product(s)



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