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NRF52820-QDAA-R Datasheet(PDF) 84 Page - Nordic Semiconductor

Part # NRF52820-QDAA-R
Description  nRF52820
PDF  437 Pages
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Manufacturer  NORDIC [Nordic Semiconductor]
Direct Link  https://www.nordicsemi.com/
Logo NORDIC - Nordic Semiconductor

NRF52820-QDAA-R Datasheet(HTML) 84 Page - Nordic Semiconductor

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Power and clock management
Symbol
Description
Min.
Typ.
Max.
Units
fNOM_LFRC
Nominal frequency
32.768
kHz
fTOL_LFRC
Frequency tolerance, uncalibrated
±5
%
fTOL_CAL_LFRC
Frequency tolerance after calibration10
±500
ppm
ILFRC
Run current
0.7
µA
tSTART_LFRC
Startup time
1000
μs
5.4.4.5 Synthesized low frequency clock (LFSYNT)
Symbol
Description
Min.
Typ.
Max.
Units
fNOM_LFSYNT
Nominal frequency
32.768
kHz
10 Constant temperature within ±0.5 °C, calibration performed at least every 8 seconds, averaging
interval > 7.5 ms, defined as 3 sigma
4463_156 v1.0
84



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