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STM32WB50CG Datasheet(PDF) 97 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) 97 Page - STMicroelectronics

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DS13047 Rev 5
97/119
STM32WB50CG STM32WB30CE
Electrical characteristics
110
6.3.20
Analog-to-Digital converter characteristics
Unless otherwise specified, the parameters given in Table 70 are preliminary values derived
from tests performed under ambient temperature, fPCLK frequency and VDDA supply voltage
conditions summarized in Table 20: General operating conditions.
Note:
It is recommended to perform a calibration after each power-up.
Table 70. ADC characteristics(1) (2)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Analog supply voltage
-
2
-
3.6
V
fADC
ADC clock frequency
-
-
-
32
MHz
fs
Sampling rate
Resolution = 12 bits
-
-
2.13
Msps
Resolution = 10 bits
-
-
2.46
Resolution = 8 bits
-
-
2.91
Resolution = 6 bits
-
-
3.55
fTRIG
External trigger
frequency
fADC = 32 MHz
Resolution = 12 bits
--
2.13
MHz
Resolution = 12 bits
-
-
15
1/fADC
VCMIN
Input common mode
Differential mode
(VREF++
VREF-) / 2
- 0.18
(VREF++
VREF-) / 2
(VREF++
VREF-) / 2
+ 0.18
V
VAIN (3)
Conversion voltage
range(2)
-0
-
VREF+
V
RAIN
External input
impedance
--
-
50
kΩ
CADC
Internal sample and hold
capacitor
--
5
-
pF
tSTAB
Power-up time
-
1
Conversion
cycle
tCAL
Calibration time
fADC = 32 MHz
3.625
µs
-
116
1 / fADC
tLATR
Trigger conversion
latency
Regular and injected
channels without
conversion abort
CKMODE = 00
1.522.5
1/fADC
CKMODE = 01
-
-
2.0
CKMODE = 10
-
-
2.25
CKMODE = 11
-
-
2.125
tLATRINJ
Trigger conversion
latency
Injected channels
aborting a regular
conversion
CKMODE = 00
2.533.5
1/fADC
CKMODE = 01
-
-
3.0
CKMODE = 10
-
-
3.25
CKMODE = 11
-
-
3.125
ts
Sampling time
fADC = 32 MHz
0.078
-
20.0
µs
-
2.5
-
640.5
1/fADC



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