STM32F302VB 데이터 시트보기 (PDF) - STMicroelectronics

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STM32F302VB

ARM®-based Cortex®-M4 32b MCU+FPU, up to 256KB Flash+ 40KB SRAM, 2 ADCs, 1 DAC ch., 4 comp, 2 PGA, timers, 2.0-3.6 V

STMicroelectronics 

Symbol

fADC

fS(1)

fTRIG(1)

VAIN

RAIN(1)

CADC(1)

tSTAB(1)

tCAL(1)

tlatr(1)

tlatrinj(1)

Table 68. ADC characteristics (continued)

Parameter

Conditions

Min

ADC clock frequency

Sampling rate

External trigger frequency

Conversion voltage range(2)

External input impedance

Internal sample and hold capacitor

-

Resolution = 12 bits,

Fast Channel

Resolution = 10 bits,

Fast Channel

Resolution = 8 bits,

Fast Channel

Resolution = 6 bits,

Fast Channel

fADC = 72 MHz

Resolution = 12 bits

Resolution = 12 bits

-

-

-

0.14

0.01

0.012

0.014

0.0175

-

-

0

-

-

Power-up time

-

Calibration time

fADC = 72 MHz

-

CKMODE = 00

1.5

Trigger conversion latency

CKMODE = 01

-

Regular and injected channels

without conversion abort

CKMODE = 10

-

CKMODE = 11

-

CKMODE = 00

2.5

Trigger conversion latency

CKMODE = 01

-

Injected channels aborting a regular

conversion

CKMODE = 10

-

CKMODE = 11

-

Typ

-

-

-

-

-

-

-

-

-

5

1

1.56

112

2

-

-

-

3

-

-

-

Max

72

5.14

6

7.2

9

5.14

14

VREF+

100

-

2.5

2

2.25

2.125

3.5

3

3.25

3.125

Unit

MHz

MSPS

MHz

1/fADC

V

kΩ

pF

conversion

cycle

µs

1/fADC

1/fADC

1/fADC

1/fADC

1/fADC

1/fADC

1/fADC

1/fADC

1/fADC

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