STM32F302XD datasheet(128/168 Pages) STMICROELECTRONICS

128 / 168 page

Electrical characteristics

STM32F302xD STM32F302xE

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DocID026900 Rev 4

IREF

Current on VREF+ pin

(see Figure 49)

Single-ended mode,

5 MSPS

104

139

µA

Single-ended mode,

1 MSPS

-20.4

Single-ended mode,

200 KSPS

3.3

11.3

Differential mode,

5 MSPS

174

235

Differential mode,

1 MSPS

-34.6

52.6

Differential mode,

200 KSPS

-6

13.6

VREF+

Positive reference voltage

VDDA

fADC

ADC clock frequency

0.14

MHz

fS(1)

Sampling rate

Resolution = 12 bits,

Fast Channel

0.01

5.14

MSPS

Resolution = 10 bits,

Fast Channel

0.012

Resolution = 8 bits,

Fast Channel

0.014

7.2

Resolution = 6 bits,

Fast Channel

0.0175

fTRIG(1)

External trigger frequency

fADC = 72 MHz

Resolution = 12 bits

5.14

MHz

Resolution = 12 bits

1/fADC

VAIN

Conversion voltage range(2)

-0

VREF+

RAIN(1)

External input impedance

100

CADC(1)

Internal sample and hold

capacitor

tSTAB(1)

Power-up time

µs

tCAL(1)

Calibration time

fADC = 72 MHz

1.56

µs

112

1/fADC

tlatr(1)

Trigger conversion latency

Regular and injected

channels without conversion

abort

CKMODE = 00

1.5

2.5

1/fADC

CKMODE = 01

1/fADC

CKMODE = 10

2.25

1/fADC

CKMODE = 11

2.125

1/fADC

tlatrinj(1)

Trigger conversion latency

Injected channels aborting a

regular conversion

CKMODE = 00

2.5

3.5

1/fADC

CKMODE = 01

1/fADC

CKMODE = 10

3.25

1/fADC

CKMODE = 11

3.125

1/fADC

Table 79. ADC characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

STM32F302XD Datasheet(PDF) 128 Page - STMicroelectronics

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