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ADXL346BCCZ-RL7 Datasheet(Arkusz danych) 11 Page - Analog Devices

Numer części ADXL346BCCZ-RL7
Szczegółowy opis  3-Axis, ±2 g/±4 g/±8 g/±16 g Ultralow Power Digital Accelerometer
Pobierz  32 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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 11 page
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Preliminary Technical Data
ADXL346
Rev. PrC | Page 11 of 32
Auto Sleep Mode
Additional power can be saved if the ADXL346 automatically
switches to sleep mode during periods of inactivity. To enable
this feature, set the THRESH_INACT register (Address 0x25)
and the TIME_INACT register (Address 0x26) each to a value
that signifies inactivity (the appropriate value depends on the
application), and then set the AUTO_SLEEP bit and the link bit in
the POWER_CTL register (Address 0x2D). Current consumption
at the sub-8 Hz data rates used in this mode is typically 35 µA
for a VS of 2.5 V.
Standby Mode
For even lower power operation, standby mode can be used.
In standby mode, current consumption is reduced to 1 µA
(typical). In this mode, no measurements are made. Standby mode
is entered by clearing the measure bit (Bit 3) in the
POWER_CTL register (Address 0x2D). Placing the device into
standby mode preserves the contents of FIFO.




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