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STM32L475VC Datasheet(PDF) 134 Page - STMicroelectronics

Part # STM32L475VC
Description  Ultra-low-power ARM Cortex-M4 32-bit MCUFPU, 100DMIPS, up to 1MB Flash, 128 KB SRAM, USB OTG FS, analog, audio
PDF  193 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L475VC Datasheet(HTML) 134 Page - STMicroelectronics

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Electrical characteristics
STM32L475xx
134/193
DocID027692 Rev 2
6.3.17
Analog-to-Digital converter characteristics
Unless otherwise specified, the parameters given in Table 64 are preliminary values derived
from tests performed under ambient temperature, fPCLK frequency and VDDA supply voltage
conditions summarized in Table 22: General operating conditions.
Note:
It is recommended to perform a calibration after each power-up.
Table 64. ADC characteristics(1) (2)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Analog supply voltage
-
1.62
-
3.6
V
VREF+
Positive reference voltage
VDDA ≥ 2 V
2
-
VDDA
V
VDDA < 2 V
VDDA
V
VREF-
Negative reference
voltage
-VSSA
V
fADC
ADC clock frequency
Range 1
-
-
80
MHz
Range 2
-
-
26
fs
Sampling rate for FAST
channels
Resolution = 12 bits
-
-
5.33
Msps
Resolution = 10 bits
-
-
6.15
Resolution = 8 bits
-
-
7.27
Resolution = 6 bits
-
-
8.88
Sampling rate for SLOW
channels
Resolution = 12 bits
-
-
4.21
Resolution = 10 bits
-
-
4.71
Resolution = 8 bits
-
-
5.33
Resolution = 6 bits
-
-
6.15
fTRIG
External trigger frequency
fADC = 80 MHz
Resolution = 12 bits
-
-
5.33
MHz
Resolution = 12 bits
-
-
15
1/fADC
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 = 80 MHz
1.45
µs
-116
1/fADC
tLATR
Trigger conversion
latency Regular and
injected channels without
conversion abort
CKMODE = 00
1.5
2
2.5
1/fADC
CKMODE = 01
-
-
2.0
CKMODE = 10
-
-
2.25
CKMODE = 11
-
-
2.125



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