STM32U595AI datasheet(269/377 Pages) STMICROELECTRONICS

269 / 377 page

DS13633 Rev 1

269/377

STM32U59xxx

Electrical characteristics

343

5.3.16

Extended interrupt and event controller input (EXTI) characteristics

The pulse on the interrupt input must have a minimal length in order to guarantee that it is

detected by the event controller.

5.3.17

Analog switches booster

5.3.18

14-bit analog-to-digital converter (ADC12) characteristics

Unless otherwise specified, the parameters given in the table below are values derived from

tests performed under ambient temperature, fHCLK frequency and VDDA supply voltage

conditions summarized in Table 32.

Note:

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

Table 92. EXTI input characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

PLEC

Pulse length to event controller

1. Specified by design. Not tested in production.

Table 93. Analog switches booster characteristics(1)

Symbol

Parameter

Min

Typ

Max

Unit

VDD

Supply voltage

1.6

1.8

3.6

tSU(BOOST)

Booster startup time

µs

IDD(BOOST)

Booster consumption

125

µA

1. Specified by design. Not tested in production.

Table 94. 14-bit ADC12 characteristics(1)(2)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Analog power supply for

ADC ON

-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

1.62 V ≤ VDDA ≤ 3.6 V

5(3)

-55

MHz

ADC clock ratio

Sampling rate

Resolution = 14 bits

0.23

2.5

Msps

Resolution = 12 bits

0.25

2.75

Resolution = 10 bits

0.28

3.05

Resolution = 8 bits

0.31

3.44

tTRIG

External trigger period

Resolution = 14 bits

1/fADC

VAIN(4)

Conversion voltage

range

-0

VREF+

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