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STM32L496QGI3 Datasheet(PDF) 173 Page - STMicroelectronics

Part # STM32L496QGI3
Description  Ultra-low-power ARM® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 1MB Flash, 320KB SRAM, USB OTG FS, audio, ext. SMPS
PDF  262 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L496QGI3 Datasheet(HTML) 173 Page - STMicroelectronics

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STM32L496xx
Electrical characteristics
235
6.3.17
Analog-to-Digital converter characteristics
Unless otherwise specified, the parameters given in Table 75 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 75. 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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