Datasheet

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STM32F303xB STM32F303xC Electrical characteristics
118
Table 68. 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
= V
REF+
= 3.3 V
25°C
Single ended
Fast channel 5.1 Ms - 3.5 6
LSB
Slow channel 4.8 Ms - 4.5 7
Differential
Fast channel 5.1 Ms - 3.5 6
Slow channel 4.8 Ms - 3.5 6
EO Offset error
Single ended
Fast channel 5.1 Ms - 1 5
Slow channel 4.8 Ms - 1 5
Differential
Fast channel 5.1 Ms - 1 3
Slow channel 4.8 Ms - 1 3
EG Gain error
Single ended
Fast channel 5.1 Ms - 3 6
Slow channel 4.8 Ms - 4 6
Differential
Fast channel 5.1 Ms - 1 2
Slow channel 4.8 Ms - 1.5 3
ED
Differential
linearity
error
Single ended
Fast channel 5.1 Ms - 1 1
Slow channel 4.8 Ms - 1 1.5
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 3
Slow channel 4.8 Ms - 2 3
Differential
Fast channel 5.1 Ms - 1 2
Slow channel 4.8 Ms - 1 2
ENOB
Effective
number of
bits
Single ended
Fast channel 5.1 Ms 10.3 10.7 -
bits
Slow channel 4.8 Ms 10.4 10.7 -
Differential
Fast channel 5.1 Ms 10.9 11.3 -
Slow channel 4.8 Ms 10.9 11.3 -
SINAD
Signal-to-
noise and
distortion
ratio
Single ended
Fast channel 5.1 Ms 64 66 -
dB
Slow channel 4.8 Ms 65 66 -
Differential
Fast channel 5.1 Ms 67 70 -
Slow channel 4.8 Ms 67 70 -