GD32H757VMT7 datasheet(114/151 Pages) GIGADEVICE

Nome de Peças	GD32H757VMT7

Descrição Electrónicos	Arm® Cortex®-M7 32-bit MCU

PDF	151 Pages

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Fabricante Electrônico	GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]

Página de início	http://www.gigadevice.com/

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GD32H757xx Datasheet

113

Resolution

Sampling cycles @ 80 MHz

RAIN max (kΩ)

640.5

109

10 bits

2.5

0.25

6.5

1.05

12.5

2.25

24.5

4.65

47.5

9.26

92.5

18.2

247.5

49.3

640.5

128

8 bits

2.5

0.35

6.5

1.31

12.5

2.75

24.5

5.64

47.5

11.1

92.5

21.9

247.5

59.2

640.5

153

6 bits

2.5

0.50

6.5

1.70

12.5

3.50

24.5

7.11

47.5

14.0

92.5

27.5

247.5

74.1

640.5

192

(1)

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

(2)

The RAIN value was calculated by theory and stray capacitance of actual pcb has not been taken into account.

Table 4-37. ADC dynamic accuracy at fADC = 60 MHz VREFP = 1.8 V(1)(2)

Symbol

Parameter

Test conditions

Min

Typ

Max Unit

ENOB Effective number of bits

fADC = 60 MHz

VREFP = 1.8 V

Input Frequency = 20

kHz

Single ended

—

10.9

—

bits

Differential

—

11.4

—

SNDR

Signal-to-noise and

distortion ratio

Single ended

—

67.5

—

Differential

—

70.7

—

SNR

Signal-to-noise ratio

Single ended

—

67.6

—

Differential

—

70.8

—

THD

Total harmonic

distortion

Single ended

—

-83.1

—

Differential

—

-86.6

—

(1)

Guaranteed by characterization results for BGA packages. The values for LQFP packages might differ.

(2) The test was carried out under the LDO power supply mode.

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