Datasheet

Electrical characteristics STM32H750VB STM32H750IB STM32H750XB
152/201 DS12556 Rev 2
Note: ADC accuracy vs. negative injection current: injecting a negative current on any analog
input pins should be avoided as this significantly reduces the accuracy of the conversion
Table 85. ADC accuracy
(1)(2)(3)
1. Guaranteed by characterization for BGA packages, the values for LQFP packages might differ.
2. ADC DC accuracy values are measured after internal calibration.
3. The above table gives the ADC performance in 16-bit mode.
Symbol Parameter Conditions
(4)
4. ADC clock frequency ≤ 36 MHz, 2 V  V
DDA
3.3 V, 1.6 V  V
REF
 V
DDA
, BOOSTEN (for I/O) = 1.
Min Typ Max Unit
ET
To t a l
unadjusted
error
Single
ended
BOOST = 1 - ±6 -
±LSB
BOOST = 0 - ±8 -
Differential
BOOST = 1 - ±10 -
BOOST = 0 - ±16 -
ED
Differential
linearity
error
Single
ended
BOOST = 1 - 2 -
BOOST = 0 - 1 -
Differential
BOOST = 1 - 8 -
BOOST = 0 - 2 -
EL
Integral
linearity
error
Single
ended
BOOST = 1 - ±6 -
BOOST = 0 - ±4 -
Differential
BOOST = 1 - ±6 -
BOOST = 0 - ±4 -
ENOB
(5)
5. ENOB, SINAD, SNR and THD are specified for V
DDA
= V
REF
= 3.3 V.
Effective
number of
bits
(2 MSPS)
Single
ended
BOOST = 1 - 11.6 -
bits
BOOST = 0 - 12 -
Differential
BOOST = 1 - 13.3 -
BOOST = 0 - 13.5 -
SINAD
(5)
Signal-to-
noise and
distortion
ratio
(2 MSPS)
Single
ended
BOOST = 1 - 71.6 -
dB
BOOST = 0 - 74 -
Differential
BOOST = 1 - 81.83 -
BOOST = 0 - 83 -
SNR
(5)
Signal-to-
noise ratio
(2 MSPS)
Single
ended
BOOST = 1 - 72 -
BOOST = 0 - 74 -
Differential
BOOST = 1 - 82 -
BOOST = 0 - 83 -
THD
(5)
To t a l
harmonic
distortion
Single
ended
BOOST = 1 - 78 -
BOOST = 0 - 80 -
Differential
BOOST = 1 - 90 -
BOOST = 0 - 95 -
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