STM32H523VCU6 datasheet(177/228 Pages) STMICROELECTRONICS

177 / 228 page

DS14540 Rev 1

177/228

STM32H523xx

Electrical characteristics

197

5. TON is the refresh phase duration, TOFF is the hold phase duration. Refer to the reference manual for more details.

Table 93. DAC accuracy(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

DNL

Differential non

linearity(2)

DAC output buffer ON

−2-

LSB

DAC output buffer OFF

−2-

Monotonicity

10 bits

INL

Integral non linearity(3)

DAC output buffer ON,

CL ≤ 50 pF, RL ≥ 5 kΩ

−4-

LSB

DAC output buffer OFF,

CL ≤ 50 pF, no RL

−4-

Offset

Offset error at code

0x800 (3)

DAC output buffer ON,

CL ≤ 50 pF, RL ≥ 5 kΩ

VREF+ = 3.6 V

±12

VREF+ = 1.8 V

±25

DAC output buffer OFF,

CL ≤ 50 pF, no RL

±8

Offset1

Offset error at code

0x001(4)

DAC output buffer OFF,

CL ≤ 50 pF, no RL

±5

OffsetCal

Offset error at code

0x800 after factory

calibration

DAC output buffer ON,

CL≤50 pF, RL ≥5 kΩ

VREF+ = 3.6 V

±5

VREF+ = 1.8 V

±7

Gain

Gain error(5)

DAC output buffer ON,

CL ≤ 50 pF, RL ≥ 5 kΩ

±1

DAC output buffer OFF,

CL ≤ 50 pF, no RL

±1

TUE

Total unadjusted error

DAC output buffer ON,

CL ≤ 50 pF, RL ≥ 5 kΩ

±30

LSB

DAC output buffer OFF,

CL ≤ 50 pF, no RL

±12

TUECal

Total unadjusted error

after calibration

DAC output buffer ON,

CL ≤ 50 pF, RL ≥ 5 kΩ

±23

SNR

Signal-to-noise ratio(6)

DAC output buffer ON, CL ≤ 50 pF, RL ≥

5 kΩ, 1 kHz, BW = 500 kHz

67.8

DAC output buffer OFF, CL ≤ 50 pF, no

RL,1 kHz, BW = 500 kHz

67.8

THD

Total harmonic

distortion(6)

DAC output buffer ON,

CL ≤ 50 pF, RL ≥ 5 kΩ, 1 kHz

−78.6

DAC output buffer OFF,

CL ≤ 50 pF, no RL, 1 kHz

−78.6

SINAD

Signal-to-noise and

distortion ratio(6)

DAC output buffer ON,

CL ≤ 50 pF, RL ≥ 5 kΩ, 1 kHz

67.5

DAC output buffer OFF,

CL ≤ 50 pF, no RL, 1 kHz

67.5

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