STM32L443CC Datasheet, PDF (147/207 Pages) STMicroelectronics – Batch acquisition mode

STM32L443CC STM32L443RC STM32L443VC
Electrical characteristics
Table 67. ADC accuracy - limited test conditions 3^(1)(2)(3)
Sym-
bol
Parameter
Conditions⁽⁴⁾
Min Typ Max Unit
Total
ET unadjusted
error
Single
ended
Fast channel (max speed) - 5.5 7.5
Slow channel (max speed) - 4.5 6.5
Fast channel (max speed) - 4.5 7.5
Differential
Slow channel (max speed) - 4.5 5.5
EO
Offset
error
Single
ended
Fast channel (max speed) - 2 5
Slow channel (max speed) - 2.5 5
Fast channel (max speed) - 2 3.5
Differential
Slow channel (max speed) - 2.5 3
EG Gain error
Single
Fast channel (max speed) - 4.5 7
ended
Slow channel (max speed) - 3.5 6
LSB
Fast channel (max speed) - 3.5 4
Differential
Slow channel (max speed) - 3.5 5
Single
Fast channel (max speed) - 1.2 1.5
Differential
ended
Slow channel (max speed) - 1.2 1.5
ED linearity
error
ADC clock frequency ≤
80 MHz,
Fast channel (max speed) -
Differential
1 1.2
Sampling rate ≤ 5.33 Msps,
Slow channel (max speed) - 1 1.2
Integral
EL linearity
error
1.65 V ≤ V_DDA = V_REF+ ≤
3.6 V,
Voltage scaling Range 1
Single
ended
Fast channel (max speed) -
Slow channel (max speed) -
Fast channel (max speed) -
Differential
Slow channel (max speed) -
3 3.5
2.5 3.5
2 2.5
2 2.5
Effective
ENOB number of
bits
Single
Fast channel (max speed) 10 10.4 -
ended
Slow channel (max speed) 10 10.4 -
bits
Fast channel (max speed) 10.6 10.7 -
Differential
Slow channel (max speed) 10.6 10.7 -
Signal-to-
SINAD
noise and
distortion
ratio
SNR
Signal-to-
noise ratio
Single
ended
Fast channel (max speed) 62 64 -
Slow channel (max speed) 62 64 -
Fast channel (max speed) 65 66 -
Differential
Slow channel (max speed) 65 66 -
dB
Single
Fast channel (max speed) 63 65 -
ended
Slow channel (max speed) 63 65 -
Fast channel (max speed) 66 67 -
Differential
Slow channel (max speed) 66 67 -
DocID028739 Rev 2
147/207
177