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STM32WB50CG Datasheet(PDF) 101 Page - STMicroelectronics

Part # STM32WB50CG
Description  Multiprotocol wireless 32-bit MCU Arm®-based Cortex®-M4 with FPU, Bluetooth® 5.2 or 802.15.4 radio solution
PDF  119 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32WB50CG Datasheet(HTML) 101 Page - STMicroelectronics

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DS13047 Rev 5
101/119
STM32WB50CG STM32WB30CE
Electrical characteristics
110
Table 73. ADC accuracy - Limited test conditions 2(1)(2)(3)
1. Guaranteed by design.
2. ADC DC accuracy values are measured after internal calibration.
3. ADC accuracy vs. negative injection current: Injecting negative current on any analog input pins must be
avoided as this significantly reduces the accuracy of the conversion being performed on another analog
input. It is recommended to add a Schottky diode (pin to ground) to analog pins that may potentially inject
negative current.
Symbol
Parameter
Conditions(4)
4. The I/O analog switch voltage booster is enabled when VDDA < 2.4 V (BOOSTEN = 1 in the
SYSCFG_CFGR1 when VDDA < 2.4 V). It is disabled when VDDA ≥ 2.4 V. No oversampling.
Min
Typ
Max
Unit
ET
Total
unadjusted
error
Single ended
-
4
6.5
LSB
Differential
-
3.5
5.5
EO
Offset error
Single ended
-
1
5
Differential
-
1.5
3
EG
Gain error
Single ended
-
2.5
6
Differential
-
2.5
3.5
ED
Differential
linearity error
Single ended
-
1
1.5
Differential
-
1
1.2
EL
Integral
linearity error
Single ended
-
1.5
3.5
Differential
-
1
2.5
ENOB
Effective
number of bits
Single ended
10
10.5
-
bits
Differential
10.7
10.9
-
SINAD
Signal-to-noise
and distortion
ratio
Single ended
62
65
-
dB
Differential
66
67.4
-
SNR
Signal-to-noise
ratio
Single ended
64
66
-
Differential
66.5
68
-
THD
Total harmonic
distortion
Single ended
-
-74
-67
dB
Differential
-
-79
-71



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