STM32WB55 datasheet(144/193 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32WB55xx STM32WB35xx

144/193

DS11929 Rev 11

Table 79. ADC accuracy - Limited test conditions 1(1)(2)(3)

Symbol

Parameter

Conditions(4)

Min

Typ

Max Unit

Total

unadjusted

error

Single

ended

Fast channel (max speed)

LSB

Slow channel (max speed)

Differential

Fast channel (max speed)

3.5

4.5

Slow channel (max speed)

3.5

4.5

Offset error

Single

ended

Fast channel (max speed)

2.5

Slow channel (max speed)

2.5

Differential

Fast channel (max speed)

1.5

2.5

Slow channel (max speed)

1.5

2.5

Gain error

Single

ended

Fast channel (max speed)

2.5

4.5

Slow channel (max speed)

2.5

4.5

Differential

Fast channel (max speed)

2.5

3.5

Slow channel (max speed)

2.5

3.5

Differential

linearity

error

Single

ended

Fast channel (max speed)

1.5

Slow channel (max speed)

1.5

Differential

Fast channel (max speed)

1.2

Slow channel (max speed)

1.2

Integral

linearity

error

Single

ended

Fast channel (max speed)

1.5

2.5

Slow channel (max speed)

1.5

2.5

Differential

Fast channel (max speed)

Slow channel (max speed)

ENOB

Effective

number of

bits

Single

ended

Fast channel (max speed)

10.4 10.5

bits

Slow channel (max speed)

10.4 10.5

Differential

Fast channel (max speed)

10.8 10.9

Slow channel (max speed)

10.8 10.9

SINAD

Signal-to-

noise and

distortion

ratio

Single

ended

Fast channel (max speed)

64.4

Slow channel (max speed)

64.4

Differential

Fast channel (max speed)

66.8 67.4

Slow channel (max speed)

66.8 67.4

SNR

Signal-to-

noise ratio

Single

ended

Fast channel (max speed)

Slow channel (max speed)

Differential

Fast channel (max speed)

Slow channel (max speed)

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