STM32C011F6U6 datasheet(70/94 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32C011x4/x6

70/94

DS13866 Rev 3

Table 55. ADC accuracy(1)(2)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Total

unadjusted

error

VDDA = VREF+ = 3 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25°C

-±3

±4

LSB

2 V < VDDA = VREF+ < 3.6 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

-±3

±6.5

Offset error

VDDA = VREF+ = 3 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25°C

-±1.5

±2

2 V < VDDA = VREF+ < 3.6 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

-±1.5

±4.5

Gain error

VDDA = VREF+ = 3 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

-±3

±3.5

2 V < VDDA = VREF+ < 3.6 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

-±3

±5

Differential

linearity error

VDDA = VREF+ = 3 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

-±1.2

±1.5

2 V < VDDA = VREF+ < 3.6 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

-±1.2

±1.5

Integral linearity

error

VDDA = VREF+ = 3 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

-±2.5

±3

2 V < VDDA = VREF+ < 3.6 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

-±2.5

±3

ENOB

Effective

number of bits

VDDA = VREF+ = 3 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

10.1 10.2

bit

2 V < VDDA = VREF+ < 3.6 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

9.6

10.2

SINAD

Signal-to-noise

and distortion

ratio

VDDA = VREF+ = 3 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

62.5

2 V < VDDA = VREF+ < 3.6 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

59.5

SNR

Signal-to-noise

ratio

VDDA = VREF+ = 3 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

2 V < VDDA = VREF+ < 3.6 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

THD

Total harmonic

distortion

VDDA = VREF+ = 3 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = 25 °C

--74

-73

2 V < VDDA = VREF+ < 3.6 V

fADC = 35 MHz, fs ≤ 2.5 Msps, TA = entire range

--74

-70

1. Evaluated by characterization – Not tested in production.

2. ADC DC accuracy values are measured after internal calibration.

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