STM8AP6286UAX 查看數據表（PDF） - STMicroelectronics

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STM8AP6286UAX

Automotive 8-bit MCU, with up to 128 Kbyte Flash, data EEPROM, 10-bit ADC, timers, LIN, CAN, USART, SPI, I2C, 3 to 5.5 V

STMicroelectronics 

STM8AF526x/8x/Ax STM8AF6269/8x/Ax

Electrical characteristics

10.3.11

10-bit ADC characteristics

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

specified.

Symbol

Table 43. ADC characteristics

Parameter

Conditions

Min Typ Max

Unit

fADC ADC clock frequency

-

111 kHz - 4 MHz kHz/MHz

VDDA Analog supply

-

3

-

5.5

VREF+ Positive reference voltage

-

2.75

-

VDDA

VREF- Negative reference voltage

-

VSSA

-

0.5

V

-

VSSA

-

VDDA

VAIN Conversion voltage range(1)

Devices with

external VREF+/

VREF- pins

VREF-

-

VREF+

Csamp Internal sample and hold capacitor

-

-

-

3

pF

tS(1)

Sampling time

(3 x 1/fADC)

fADC = 2 MHz

fADC = 4 MHz

-

1.5

-

-

0.75

-

tSTAB Wakeup time from standby

fADC = 2 MHz

-

7

-

fADC = 4 MHz

-

3.5

-

µs

Total conversion time including

fADC = 2 MHz

-

7

-

tCONV sampling time

(14 x 1/fADC)

fADC = 4 MHz

-

3.5

-

Rswitch Equivalent switch resistance

-

-

-

30

kΩ

1.

Dexutreinrngatlhseousarcmep. lTehteiminet,etrhnealsraemsipsltianngcceaopfatchiteanacnea,loCgsasmopur(c3epmFutsytpa),llcoawntbhee

charged/discharged by the

capacitance to reach its final

voltage level

effect on the

cwoitnhvinertsSi.oAnfrteersuthlte.

end

of

the

sample

time

tS,

changes

of

the

analog

input

voltage

have

no

Figure 43. Typical application with ADC

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97

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1. Legend: RAIN = external resistance, CAIN = capacitors, Csamp = internal sample and hold capacitor.

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