STM32L443CC Datasheet, PDF (143/207 Pages) STMicroelectronics – Batch acquisition mode

STM32L443CC STM32L443RC STM32L443VC
Electrical characteristics
Table 65. ADC accuracy - limited test conditions 1^(1)(2)(3)
Sym-
bol
Parameter
Conditions⁽⁴⁾
Min Typ Max Unit
Total
ET unadjusted
error
Single
ended
Fast channel (max speed) - 4 5
Slow channel (max speed) - 4 5
Fast channel (max speed) - 3.5 4.5
Differential
Slow channel (max speed) - 3.5 4.5
EO
Offset
error
Single
ended
Fast channel (max speed) -
Slow channel (max speed) -
1 2.5
1 2.5
Fast channel (max speed) - 1.5 2.5
Differential
Slow channel (max speed) - 1.5 2.5
EG Gain error
Single
Fast channel (max speed) - 2.5 4.5
ended
Slow channel (max speed) - 2.5 4.5
LSB
Fast channel (max speed) - 2.5 3.5
Differential
Slow channel (max speed) - 2.5 3.5
Single
Fast channel (max speed) - 1 1.5
Differential
ended
Slow channel (max speed) - 1 1.5
ED linearity
error
ADC clock frequency ≤
Fast channel (max speed) -
80 MHz,
Differential
Slow channel (max speed) -
Sampling rate ≤ 5.33 Msps,
1 1.2
1 1.2
V_DDA = VREF+ = 3 V,
Single
Fast channel (max speed) - 1.5 2.5
Integral _{TA = 25 °C}
ended
Slow channel (max speed) - 1.5 2.5
EL linearity
error
Fast channel (max speed) - 1 2
Differential
Slow channel (max speed) - 1 2
Effective
ENOB number of
bits
Single
Fast channel (max speed) 10.4 10.5 -
ended
Slow channel (max speed) 10.4 10.5 -
bits
Fast channel (max speed) 10.8 10.9 -
Differential
Slow channel (max speed) 10.8 10.9 -
Signal-to-
SINAD
noise and
distortion
ratio
SNR
Signal-to-
noise ratio
Single
ended
Fast channel (max speed) 64.4 65 -
Slow channel (max speed) 64.4 65 -
Fast channel (max speed) 66.8 67.4 -
Differential
Slow channel (max speed) 66.8 67.4 -
dB
Single
Fast channel (max speed) 65 66 -
ended
Slow channel (max speed) 65 66 -
Fast channel (max speed) 67 68 -
Differential
Slow channel (max speed) 67 68 -
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