STM32G0C1NET3 datasheet(106/159 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32G0C1xC/xE

106/159

DS13564 Rev 4

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

1.65 V < VDDA = VREF+ < 3.6 V;

TA = entire range

Range 1: fADC = 35 MHz; fs ≤ 2.2 MSps;

Range 2: fADC = 16 MHz; fs ≤ 1.1 MSps;

9.5

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

1.65 V < VDDA = VREF+ < 3.6 V;

TA = entire range

Range 1: fADC = 35 MHz; fs ≤ 2.2 MSps;

Range 2: fADC = 16 MHz; fs ≤ 1.1 MSps;

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

1.65 V < VDDA = VREF+ < 3.6 V;

TA = entire range

Range 1: fADC = 35 MHz; fs ≤ 2.2 MSps;

Range 2: fADC = 16 MHz; fs ≤ 1.1 MSps;

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

1.65 V < VDDA = VREF+ < 3.6 V;

TA = entire range

Range 1: fADC = 35 MHz; fs ≤ 2.2 MSps;

Range 2: fADC = 16 MHz; fs ≤ 1.1 MSps;

--74

-70

1. Based on characterization results, not tested in production.

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

3. Injecting negative current on any analog input pin significantly reduces the accuracy of A-to-D conversion of signal on

another analog input. It is recommended to add a Schottky diode (pin to ground) to analog pins susceptible to receive

negative current.

4. I/O analog switch voltage booster enabled (BOOSTEN = 1 in the SYSCFG_CFGR1) when VDDA < 2.4 V and disabled

when VDDA ≥ 2.4 V.

Table 63. ADC accuracy(1)(2)(3) (continued)

Symbol

Parameter

Conditions(4)

Min

Typ

Max

Unit

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