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NRF52820-QDAA-R Datasheet(PDF) 430 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) 430 Page - Nordic Semiconductor

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8 Recommended operating conditions
The operating conditions are the physical parameters that the chip can operate within.
Symbol
Parameter
Min.
Nom.
Max.
Units
VDD
VDD supply voltage, independent of DCDC enable
1.7
3.0
3.6
V
VDDPOR
VDD supply voltage needed during power-on reset
1.75
V
VDDH
VDDH supply voltage
2.5
3.7
5.5
V
VBUS
VBUS USB supply voltage
4.35
5.0
5.5
V
tR_VDD
Supply rise time (0 V to 1.7 V)
60
ms
tR_VDDH
Supply rise time (0 V to 3.7 V)
100
ms
TA
Operating temperature
-40
25
85
°C
TAEXT
Extended operating temperature
85
105
°C
TJ
Junction temperature
110
°C
Table 127: Recommended operating conditions
Note: The on-chip power-on reset circuitry may not function properly for rise times longer than
the specified maximum.
8.1 Extended Operating Temperature
The operating temperature range for the device is defined in Recommended operating conditions on page
430. The range extends from
TA minimum to TAEXT maximum.
Some electrical parameters are valid only for the
TA operating temperature conditions. When this is the
case, an additional parameter for the
TAEXT extended operating temperature condition is provided.
Note: When running the device in the extended operating temperature conditions range, the
register LFXODEBOUNCE on page 81 must be set to
Extended.
To avoid surpassing the maximum die juntion temperature, see Recommended operating conditions on
page 430, it is important to minimize current consumption when operating in the extended operating
temperature conditions. To achieve this, it is recommended to use the device in Normal Voltage mode
with DC/DC enabled. See POWER — Power supply on page 49 for details about main supply modes.
4463_156 v1.0
430



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