GD32H757VMT7 datasheet(117/151 Pages) GIGADEVICE

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GD32H757xx Datasheet

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4.16.

Temperature sensor characteristics

Table 4-45. Temperature sensor characteristics(1)

Symbol

Parameter

Min

Typ

Max

Unit

VSENSE linearity with temperature

—

±3.5

—

°C

Avg_Slope

Average slope

—

1.84

—

mV/°C

V25

Voltage at TJ = 25 °C

—

0.66

—

tS_temp(2)

ADC sampling time when reading the temperature

—

17.1

—

μs

(1)

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

(2)

Shortest sampling time can be determined in the application by multiple iterations.

Table 4-46. Temperature sensor calibration values

Symbol

Parameter

Memory address

TS_CAL1

Temperature sensor raw data acquired

value at 25 °C,VREFP = 3.3 V

0x1FF0F7C0

TS_CAL2

Temperature sensor raw data acquired

value at -40 °C,VREFP = 3.3 V

0x1FF0F7C2

4.17.

Low power digital temperature sensor characteristics

Table 4-47. Low power digital temperature sensor characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA(2)

Supply voltage

—

1.71

3.3

3.6

fDTS(1)

Output Clock frequency

—

626

798

1030

kHz

TLC(1)

Temperature linearity

coefficient

—

1307 2340 2744 Hz/°C

TTOTAL(ERROR)(1)

Temperature offset

measurement

TJ = -40 °C to 25 °C

-6.4

—

2.4

°C

TJ = 25 °C to TJmax

-10.6

—

1.3

tWAKE_UP(2)

Wake-up time from off

state until DTS ready bit

is set

—

352

—

μs

ILPDTS(1)

LPDTS consumption

—

μA

(1)

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

(2)

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

4.18.

Voltage reference buffer characteristics

Table 4-48. Voltage reference buffer characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Supply voltage

Normal

mode,

VDDA =

VREFS = 00

2.8

3.3

3.6

VREFS = 01

2.4

—

3.6

VREFS = 10

2.1

—

3.6

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