Datasheet

DocID025083 Rev 7 91/121
STM32F303x6/x8 Electrical characteristics
101
Table 63. ADC accuracy - limited test conditions
(1)(2)
Symbol Parameter Conditions
Min.
(3)
Typ. Max.
(3)
Unit
ET
To ta l
unadjusted
error
ADC clock freq. ≤ 72 MHz
Sampling freq. ≤ 5 Msps
V
DDA
= 3.3 V
25°C
Single
ended
Fast channel 5.1 Ms - ±4 ±4.5
LSB
Slow channel 4.8 Ms - ±5.5 ±6
Differential
Fast channel 5.1 Ms - ±3.5 ±4
Slow channel 4.8 Ms - ±3.5 ±4
EO
Offset
error
Single
ended
Fast channel 5.1 Ms - ±2 ±2
Slow channel 4.8 Ms - ±1.5 ±2
Differential
Fast channel 5.1 Ms - ±1.5 ±2
Slow channel 4.8 Ms - ±1.5 ±2
EG Gain error
Single
ended
Fast channel 5.1 Ms - ±3 ±4
Slow channel 4.8 Ms - ±5 ±5.5
Differential
Fast channel 5.1 Ms - ±3 ±3
Slow channel 4.8 Ms - ±3 ±3.5
ED
Differential
linearity
error
Single
ended
Fast channel 5.1 Ms - ±1 ±1
Slow channel 4.8 Ms - ±1 ±1
Differential
Fast channel 5.1 Ms - ±1 ±1
Slow channel 4.8 Ms - ±1 ±1
EL
Integral
linearity
error
Single
ended
Fast channel 5.1 Ms - ±1.5 ±2
Slow channel 4.8 Ms - ±2 ±3
Differential
Fast channel 5.1 Ms - ±1.5 ±1.5
Slow channel 4.8 Ms - ±1.5 ±2
ENOB
(4)
Effective
number of
bits
Single
ended
Fast channel 5.1 Ms 10.8 10.8 -
bit
Slow channel 4.8 Ms 10.8 10.8 -
Differential
Fast channel 5.1 Ms 11.2 11.3 -
Slow channel 4.8 Ms 11.2 11.3 -
SINAD
(4)
Signal-to-
noise and
distortion
ratio
Single
ended
Fast channel 5.1 Ms 66 67 -
dB
Slow channel 4.8 Ms 66 67 -
Differential
Fast channel 5.1 Ms 69 70 -
Slow channel 4.8 Ms 69 70 -
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