STM32G47PBY3XXX datasheet(142/229 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32G473xB STM32G473xC STM32G473xE

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DS12712 Rev 3

Table 65. ADC accuracy - limited test conditions 3(1)(2)(3)

Sym-

bol

Parameter

Conditions(4)

Min

Typ

Max Unit

Total

unadjusted

error

Single ADC operation

ADC clock frequency ≤

60 MHz,

1.62 V ≤ VDDA = VREF+

≤ 3.6 V,

Continuous mode,

sampling rate:

Fast channels@4Msps

Slow channels@2Msps

Single

ended

Fast channel (max speed)

5.9

7.9

LSB

Slow channel (max speed)

5.5

7.5

Differential

Fast channel (max speed)

4.6

7.6

Slow channel (max speed)

5.5

Offset error

Single

ended

Fast channel (max speed)

2.5

5.5

Slow channel (max speed)

1.9

5.5

Differential

Fast channel (max speed)

1.8

3.5

Slow channel (max speed)

1.1

Gain error

Single

ended

Fast channel (max speed)

4.6

7.1

Slow channel (max speed)

4.5

Differential

Fast channel (max speed)

3.6

4.1

Slow channel (max speed)

3.3

4.8

Differential

linearity

error

Single

ended

Fast channel (max speed)

1.1

1.9

Slow channel (max speed)

1.3

1.9

Differential

Fast channel (max speed)

1.3

1.6

Slow channel (max speed)

1.4

1.6

Integral

linearity

error

Single

ended

Fast channel (max speed)

2.3

4.4

Slow channel (max speed)

2.4

4.4

Differential

Fast channel (max speed)

2.1

3.7

Slow channel (max speed)

2.2

3.7

ENOB

Effective

number of

bits

Single

ended

Fast channel (max speed)

10.6

bits

Slow channel (max speed)

10.6

Differential

Fast channel (max speed)

10.6

10.9

Slow channel (max speed)

10.6

10.9

SINAD

Signal-to-

noise and

distortion

ratio

Single

ended

Fast channel (max speed)

65.6

Slow channel (max speed)

65.6

Differential

Fast channel (max speed)

67.5

Slow channel (max speed)

67.5

SNR

Signal-to-

noise ratio

Single

ended

Fast channel (max speed)

66.9

Slow channel (max speed)

66.9

Differential

Fast channel (max speed)

Slow channel (max speed)

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