STM32H757II datasheet(203/251 Pages) STMICROELECTRONICS

tên linh kiện	STM32H757II

Giải thích chi tiết về linh kiện	Dual 32-bit Arm® Cortex®-M7 up to 480MHz and -M4 MCUs, 2MB Flash, 1MB RAM, 46 com. and analog interfaces, SMPS, DSI, crypto

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203 / 251 page

DS12931 Rev 1

203/251

STM32H757xI

Electrical characteristics

230

6.3.30

Operational amplifier characteristics

3. Guaranteed by characterization results.

Table 112. Operational amplifier characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Analog supply voltage

Range

-2

3.3

3.6

CMIR

Common Mode Input

Range

-0

VDDA

VIOFFSET

Input offset voltage

25°C, no load on output

±1.5

All voltages and

temperature, no load

±2.5

ΔVIOFFSET

Input offset voltage drift

±3.0

μV/°C

TRIMOFFSETP

TRIMLPOFFSETP

Offset trim step at low

common input voltage

(0.1*VDDA)

1.1

1.5

TRIMOFFSETN

TRIMLPOFFSETN

Offset trim step at high

common input voltage

(0.9*VDDA)

1.1

1.5

ILOAD

Drive current

500

μA

ILOAD_PGA

Drive current in PGA mode

270

CLOAD

Capacitive load

CMRR

Common mode rejection

ratio

PSRR

Power supply rejection

ratio

CLOAD ≤ 50pf /

RLOAD ≥ 4 kΩ(1) at 1 kHz,

Vcom=VDDA/2

GBW

Gain bandwidth for high

supply range

200 mV ≤ Output dynamic

range ≤ VDDA - 200 mV

47.3

12.3

MHz

Slew rate (from 10% and

90% of output voltage)

Normal mode

V/µs

High-speed mode

Open loop gain

200 mV ≤ Output dynamic

range ≤ VDDA - 200 mV

129

φm

Phase margin

Gain margin

VOHSAT

High saturation voltage

Iload=max or RLOAD=min,

Input at VDDA

VDDA

−100 mV

VOLSAT

Low saturation voltage

Iload=max or RLOAD=min,

Input at 0 V

100

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