STM32F030C8 datasheet(64/88 Pages) STMICROELECTRONICS

номер детали	STM32F030C8

подробное описание детали	Value-line ARM-based 32-bit MCU with 16 to 64-KB Flash, timers, ADC, communication interfaces, 2.4-3.6 V operation

PDF	88 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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64 / 88 page

Electrical characteristics

STM32F030x4 STM32F030x6 STM32F030x8

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DocID024849 Rev 1

6.3.16

12-bit ADC characteristics

Unless otherwise specified, the parameters given in Table 48 are preliminary values derived

from tests performed under ambient temperature, fPCLK2 frequency and VDDA supply

voltage conditions summarized in Table 18: General operating conditions.

Note:

It is recommended to perform a calibration after each power-up.

Table 48. ADC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Analog supply voltage for

ADC ON

2.4

3.6

fADC

ADC clock frequency

0.6

MHz

(1)

Sampling rate

0.05

MHz

fTRIG

(1)

External trigger frequency

fADC = 14 MHz

823

kHz

1/fADC

VAIN

Conversion voltage range

VDDA

RAIN

(1)

External input impedance

See Equation 1 and

Table 49 for details



RADC

(1)

Sampling switch resistance



CADC

(1)

Internal sample and hold

capacitor

tCAL

(1)

Calibration time

fADC = 14 MHz

5.9

µs

1/fADC

tlatr

(1)

Trigger conversion latency

fADC = fPCLK/2 = 14 MHz

0.196

µs

fADC = fPCLK/2

5.5

1/fPCLK

fADC = fPCLK/4 = 12 MHz

0.219

µs

fADC = fPCLK/4

10.5

1/fPCLK

fADC = fHSI14 = 14 MHz

0.188

0.259

µs

JitterADC

ADC jitter on trigger

conversion

fADC = fHSI14

-1

1/fHSI14

(1)

Sampling time

fADC = 14 MHz

0.107

17.1

µs

1.5

239.5

1/fADC

tSTAB

(1)

Power-up time

µs

tCONV

(1)

Total conversion time

(including sampling time)

fADC = 14 MHz

µs

14 to 252 (tS for sampling +12.5 for

successive approximation)

1/fADC

1. Guaranteed by design, not tested in production.

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