GD32H757VMT7 datasheet(122/151 Pages) GIGADEVICE

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GD32H757xx Datasheet

121

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

trim code step

VREFP = 1.8 V

—

435

—

IDDA(1)(2)

DAC current consumption

in quiescent mode

DAC output buffer ON

No load,

middle code

(0x800)

—

330

—

μA

No load,

worst code

(0xF1C)

—

330

—

DAC output buffer OFF

No load,

middle/

worst code

(0x800)

—

Sample and Hold mode, CSH = 100

—

330*TON/

(TON+TOFF

)

—

IDDVREFP(1)

DAC current consumption

in quiescent mode

DAC output buffer ON

No load,

middle code

(0x800)

—

100

—

μA

No load,

worst code

(0xF1C)

—

300

—

DAC output buffer OFF

No load,

middle code

(0x800)

—

Sample and Hold mode, Buffer ON,

CSH = 100 nF (middle code)

—

100*TON/

(TON+TOFF

)

—

Sample and Hold mode, Buffer OFF,

CSH = 100 nF (middle code)

—

85*TON/

(TON+TOFF

)

—

(1)

Value guaranteed by design, not 100% tested in production.

(2)

TON is the refresh phase duration, while TOFF is the hold phase duration. Refer to the product reference manual

for more details.

Table 4-54. DAC accuracy

Symbol

Parameter

Test conditions

Min

Typ

Max

Unit

DNL(2)

Differential non

linearity

DAC output buffer ON

—

±2

LSB

DAC output buffer OFF

—

±2

INL(2)

Integral non linearity

DAC output buffer ON

—

±4

LSB

DAC output buffer OFF

—

±4

Offset(1)

Offset error at code

0x800

DAC output buffer ON

VREFP = 3.6 V

—

±15

LSB

VREFP = 1.8 V

—

±30

DAC output buffer OFF

—

±8

OffsetCal(2)

Offset error at code DAC output buffer ON VREFP = 3.6 V

—

±6

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