STM8S103F2 datasheet(82/121 Pages) STMICROELECTRONICS

部件名	STM8S103F2

功能描述	Access line, 16 MHz STM8S 8-bit MCU, up to 8 Kbytes Flash, data EEPROM,10-bit ADC, 3 timers, UART, SPI, I²C

PDF	121 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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Electrical characteristics

STM8S103F2 STM8S103F3 STM8S103K3

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DocID15441 Rev 14

10.3.10

10-bit ADC characteristics

Subject to general operating conditions for VDD, fMASTER, and TA unless otherwise

specified.

Table 45. ADC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fADC

ADC clock frequency

VDD= 2.95 to 5.5 V

MHz

VDD= 4.5 to 5.5 V

VAIN

Conversion voltage range(1)

1. During the sample time, the sampling capacitance, CAIN (3 pF max), can be charged/discharged by the

external source. The internal resistance of the analog source must allow the capacitance to reach its final

voltage level within tS. After the end of the sample time tS, changes of the analog input voltage have no

effect on the conversion result. Values for the sample clock tS depend on programming.

VSS

VDD

CADC

Internal sample and hold

capacitor

tS(1)

Minimum sampling time

fADC = 4 MHz

0.75

µs

fADC = 6 MHz

0.5

tSTAB

Wakeup time from standby

7.0

µs

tCONV

Minimum total conversion time

(including sampling time, 10-

bit resolution)

fADC = 4 MHz

3.5

µs

fADC = 6 MHz

2.33

µs

-14

1/fADC

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