STM32L4P5CE datasheet(209/311 Pages) STMICROELECTRONICS

No. de pieza	STM32L4P5CE

Descripción Electrónicos	Ultra-low-power Arm® Cortex®-M4 32-bit MCUFPU, 150 DMIPS, up to 1-MB Flash memory, 320-KB SRAM, LCD-TFT, ext. SMPS

PDF	311 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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209 / 311 page

DS12903 Rev 2

209/311

STM32L4P5xx

Electrical characteristics

277

6.3.18

Analog-to-digital converter characteristics

Unless otherwise specified, the parameters given in Table 77 are preliminary values derived

from tests performed under ambient temperature, fPCLK frequency and VDDA supply voltage

conditions summarized in Table 21: General operating conditions.

Note:

It is recommended to perform a calibration after each power-up.

Table 77. ADC characteristics(1) (2)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Analog supply

voltage

-1.62

3.6

VREF+

Positive

reference

voltage

VDDA ≥ 2 V

VDDA

VDDA < 2 V

VDDA

VREF-

Negative

reference

voltage

-VSSA

fADC

ADC clock

frequency

Range 1

MHz

Range 2

Sampling rate

for FAST

channels

Resolution = 12 bits

5.33

Msps

Resolution = 10 bits

6.15

Resolution = 8 bits

7.27

Resolution = 6 bits

8.88

Sampling rate

for SLOW

channels

Resolution = 12 bits

4.21

Resolution = 10 bits

4.71

Resolution = 8 bits

5.33

Resolution = 6 bits

6.15

fTRIG

External trigger

frequency

fADC = 80 MHz

Resolution = 12 bits

5.33

MHz

Resolution = 12 bits

1/fADC

VAIN (3)

Conversion

voltage range(2)

-0

VREF+

RAIN

External input

impedance

kΩ

CADC

Internal sample

and hold

capacitor

tSTAB

Power-up time

conversi

on cycle

tCAL

Calibration time

fADC = 80 MHz

1.45

µs

116

1/fADC

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