STM32H563II datasheet(213/270 Pages) STMICROELECTRONICS

213 / 270 page

DS14258 Rev 5

213/270

STM32H562xx and STM32H563xx

Electrical characteristics

238

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

ENOB

Effective number of

bits

DAC output buffer ON,

CL≤50 pF, RL ≥ 5 kΩ, 1 kHz

10.9

bits

DAC output buffer OFF,

CL ≤ 50 pF, no RL, 1 kHz

10.9

1. Evaluated by characterization - Not tested in production.

2. Difference between two consecutive codes minus 1 LSB.

3. Difference between the value measured at Code i and the value measured at Code i on a line drawn between Code 0 and

last Code 4095.

4. Difference between the value measured at Code (0x001) and the ideal value.

5. Difference between the ideal slope of the transfer function and the measured slope computed from code 0x000 and 0xFFF

when the buffer is OFF, and from code giving 0.2 V and (VREF+ - 0.2 V) when the buffer is ON.

6. Signal is −0.5 dBFS with Fsampling = 1 MHz.

Table 99. DAC accuracy(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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