STM8S103F2 datasheet(87/117 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	117 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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Table 45: ADC characteristics

Unit

Max

Typ

Min

Conditions

Parameter

Symbol

MHz

VDD =2.95 to 5.5 V

ADC clock frequency

fADC

VDD =4.5 to 5.5 V

VDD

VSS

Conversion voltage range

(1)

VAIN

Internal sample and hold

capacitor

CADC

μs

0.75

fADC = 4 MHz

Minimum sampling time

(1)

0.5

fADC = 6 MHz

μs

Wake-up time from standby

tSTAB

μs

3.5

fADC = 4 MHz

Minimum total conversion time

(including sampling time,

10-bit resolution)

tCONV

μs

2.33

fADC = 6 MHz

1/fADC

(1) During the sample time the input capacitance C

AIN (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.

Table 46: ADC accuracy with RAIN < 10 kΩ , VDD= 5 V

Unit

Max

(1)

Typ

Conditions

Parameter

Symbol

LSB

3.5

1.6

fADC = 2 MHz

Total unadjusted error

(2)

|ET|

2.2

fADC = 4 MHz

4.5

2.4

fADC = 6 MHz

2.5

1.1

fADC = 2 MHz

Offset error

(2)

|EO|

87/117

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