STM32WB15CC datasheet(106/127 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32WB15CC

106/127

DS13258 Rev 4

Table 71. ADC accuracy(1)(2)(3)

Symbol

Parameter

Conditions(4)

Min

Typ

Max

Unit

Total

unadjusted

error

VDDA = 3 V, fADC = 35 MHz,

fs ≤ 2.5 Msps, TA = 25 °C

-3

LSB

2 V < VDDA < 3.6 V, fADC = 35 MHz,

fs ≤ 2.5 Msps, TA = entire range

-3

6.5

1.62 V < VDDA < 3.6 V, TA = entire range,

fADC = 35 MHz, fs ≤ 2.2 Msps

-3

7.5

Offset error

VDDA = 3 V, fADC = 35 MHz, 

fs ≤ 2.5 Msps, TA = 25 °C

-1.5

2 V < VDDA < 3.6 V, fADC = 35 MHz,

fs ≤ 2.5 Msps, TA = entire range

-1.5

4.5

1.62 V < VDDA < 3.6 V, TA = entire range,

fADC = 35 MHz, fs ≤ 2.2 Msps

-1.5

5.5

Gain error

VDDA = 3 V, fADC = 35 MHz, 

fs ≤ 2.5 Msps, TA = 25 °C

-3

3.5

2 V < VDDA < 3.6 V, fADC = 35 MHz,

fs ≤ 2.5 Msps, TA = entire range

-3

1.62 V < VDDA < 3.6 V, TA = entire range,

fADC = 35 MHz, fs ≤ 2.2 Msps

-3

6.5

Differential

linearity error

VDDA = 3 V, fADC = 35 MHz, 

fs ≤ 2.5 Msps, TA = 25 °C

-1.2

1.5

2 V < VDDA < 3.6 V, fADC = 35 MHz,

fs ≤ 2.5 Msps, TA = entire range

-1.2

1.5

1.62 V < VDDA < 3.6 V, TA = entire range,

fADC = 35 MHz, fs ≤ 2.2 Msps

-1.2

1.5

Integral

linearity error

VDDA = 3 V, fADC = 35 MHz, 

fs ≤ 2.5 Msps, TA = 25 °C

-2.5

2 V < VDDA < 3.6 V, fADC = 35 MHz,

fs ≤ 2.5 Msps, TA = entire range

-2.5

1.62 V < VDDA < 3.6 V, TA = entire range,

fADC = 35 MHz, fs ≤ 2.2 Msps

-2.5

3.5

ENOB

Effective

number of bits

VDDA = 3 V, fADC = 35 MHz, 

fs ≤ 2.5 Msps, TA = 25 °C

10.1

10.2

bit

2 V < VDDA < 3.6 V, fADC = 35 MHz,

fs ≤ 2.5 Msps, TA = entire range

9.6

10.2

1.62 V < VDDA < 3.6 V, TA = entire range, 

fADC = 35 MHz, fs ≤ 2.2 Msps

9.5

10.2

SINAD

Signal-to-noise

and



distortion ratio

VDDA = 3 V, fADC = 35 MHz, 

fs ≤ 2.5 Msps, TA = 25 °C

62.5

63.0

2 V < VDDA < 3.6 V, fADC = 35 MHz,

fs ≤ 2.5 Msps, TA = entire range

59.5

63.0

1.62 V < VDDA < 3.6 V, TA = entire range, 

fADC = 35 MHz, fs ≤ 2.2 Msps

59.0

63.0

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