STM32F302XD datasheet(129/168 Pages) STMICROELECTRONICS

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STM32F302xD STM32F302xE

Electrical characteristics

146

Figure 48. ADC typical current consumption on VDDA pin

tS(1)

Sampling time

fADC = 72 MHz

0.021

8.35

µs

1.5

601.5

1/fADC

TADCVREG

_STUP

(1)

ADC Voltage Regulator

Start-up time

µs

tCONV(1)

Total conversion time

(including sampling time)

fADC = 72 MHz

Resolution = 12 bits

0.19

8.52

µs

Resolution = 12 bits

14 to 614 (tS for sampling + 12.5

for

successive approximation)

1/fADC

CMIR

Common Mode Input signal

range

ADC differential mode

(VSSA +

VREF+)/2

– 0.18

(VSSA +

VREF+)/2

(VSSA +

VREF+)/2

+ 0.18

1. Data guaranteed by design, not tested in Production.

2. VREF+ can be internally connected to VDDA and VREF- can be internally connected to VSSA, depending on the package.

Refer to Section 4: Pinout and pin description for further details.

Table 79. ADC characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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