STM8AF6213 datasheet(86/106 Pages) STMICROELECTRONICS

部件名	STM8AF6213

功能描述	Automotive 8-bit MCU, with up to 8 Kbyte Flash, data EEPROM, 10-bit ADC, timers, LIN, SPI, IC, 3 to 5.5 V

PDF	106 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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86 / 106 page

Electrical characteristics

STM8AF6213/23/23A/26

86/106

DocID025118 Rev 5

9.3.10

10-bit ADC characteristics

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

specified.

Table 54. ADC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fADC

ADC clock frequency

VDD = 3 to 5.5 V

MHz

VDD = 4.5 to 5.5 V

VAIN

Conversion voltage

range(1)

1. During the sample time the input 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

VBGREF

Internal bandgap

reference voltage

VDD = 3 to 5.5 V

1.19(2)

2. Tested in production.

1.22

1.25(2)

CADC

Internal sample and hold

capacitor

tS(1)

Minimum sampling time

fADC = 4MHz

0.75

µs

fADC = 6 MHz

0.5

tSTAB

Wakeup time from standby

tCONV

Minimum total conversion

time including sampling

time, 10-bit resolution

fADC = 4 Hz

3.5

µs

fADC = 6 MHz

2.33

-14

1/fADC

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