STM32U545NET3QTR datasheet(230/283 Pages) STMICROELECTRONICS

Part #	STM32U545NET3QTR

Description	Ultra-low-power Arm® Cortex®-M33 MCUTrustZone®FPU,240 DMIPS, 512 KB flash memory, 274 KB SRAM, crypto

PDF	283 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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230 / 283 page

Electrical characteristics

STM32U545xx

230/283

DS14216 Rev 1

PSRR

DC VDDA supply rejection

ratio

Normal mode DAC output buffer

CL ≤ 50 pF, RL = 5 kΩ

--80

-28

tSAMP

Sampling time in sample

and hold mode,

CSH = 100 nF

(code transition between

the lowest input code and

the highest input code

when DACOUT reaches

the final value ±1 LSB)

DAC_OUT

connected

DAC output buffer

ON, CSH = 100 nF

-0.7

1.9

DAC output buffer

OFF, CSH =

100 nF

-10.5

DAC_OUT

pin not

connected

(internal

connection

only)

DAC output buffer

OFF

-2

µs

Ileak

Output leakage current

(3)

CIint

Internal sample and hold

capacitor

-7

9.2

tTRIM

Middle code offset trim time DAC output buffer ON

µs

Voffset

Middle code offset for

1 trim code step

VREF+ = 3.6 V

1520

µV

VREF+ = 1.6 V

680

IDDA(DAC)

DAC consumption

from VDDA

DAC output

buffer ON

No load, middle

code (0x800)

330

510

µA

No load, worst

code (0xF1C)

470

680

DAC output

buffer OFF

No load,

middle/worst code

(0x800)

0.3

Sample and hold mode,

CSH = 100 nF

330 × TON

/(TON +

TOFF)

(4)

680 × TON

/(TON +

TOFF)

(4)

Table 113. DAC characteristics(1) (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

STM32U545NET3QTR Datasheet(PDF) 230 Page - STMicroelectronics

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