Datasheet
Electrical characteristics STM32L496xx
178/272 DS11585 Rev 9
6.3.18 Analog-to-Digital converter characteristics
Unless otherwise specified, the parameters given in Table 76 are preliminary values derived
from tests performed under ambient temperature, f
PCLK
frequency and V
DDA
supply voltage
conditions summarized in
Table 22: General operating conditions.
Note: It is recommended to perform a calibration after each power-up.
Table 76. ADC characteristics
(1)
(2)
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Analog supply voltage - 1.62 - 3.6 V
V
REF+
Positive reference voltage
V
DDA
2 V 2 - V
DDA
V
V
DDA
< 2 V V
DDA
V
V
REF-
Negative reference
voltage
-V
SSA
V
f
ADC
ADC clock frequency
Range 1 0.14 - 80
MHz
Range 2 0.14 - 26
f
s
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
f
TRIG
External trigger frequency
f
ADC
= 80 MHz
Resolution = 12 bits
- - 5.33 MHz
Resolution = 12 bits - - 15 1/f
ADC
V
AIN
(3)
Conversion voltage
range(2)
-0-V
REF+
V
R
AIN
External input impedance - - - 50 k
C
ADC
Internal sample and hold
capacitor
--5-pF
t
STAB
Power-up time - 1
conversion
cycle
t
CAL
Calibration time
f
ADC
= 80 MHz 1.45 µs
-1161/f
ADC
t
LATR
Trigger conversion
latency Regular and
injected channels without
conversion abort
CKMODE = 00 1.5 2 2.5
1/f
ADC
CKMODE = 01 - - 2.0
CKMODE = 10 - - 2.25
CKMODE = 11 - - 2.125
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from