STM32H757AI datasheet(199/251 Pages) STMICROELECTRONICS

номер детали	STM32H757AI

подробное описание детали	Dual 32-bit Arm® Cortex®-M7 up to 480MHz and -M4 MCUs, 2MB Flash, 1MB RAM, 46 com. and analog interfaces, SMPS, DSI, crypto

PDF	251 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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199 / 251 page

DS12931 Rev 1

199/251

STM32H757xI

Electrical characteristics

230

6.3.25

Voltage reference buffer characteristics

Table 104. VREFBUF characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Analog supply voltage

Normal mode

VSCALE = 000

2.8

3.3

3.6

VSCALE = 001

2.4

3.6

VSCALE = 010

2.1

3.6

VSCALE = 011

1.8

3.6

Degraded mode

VSCALE = 000

1.62

2.80

VSCALE = 001

1.62

2.40

VSCALE = 010

1.62

2.10

VSCALE = 011

1.62

1.80

VREFBUF

_OUT

Voltage Reference

Buffer Output, at 30 °C,

Iload= 100 µA

Normal mode

VSCALE = 000

2.498

2.5

2.5035

VSCALE = 001

2.046

2.049

2.052

VSCALE = 010

1.801

1.804

1.806

VSCALE = 011

1.4995 1.5015

1.504

Degraded mode(2)

VSCALE = 000

VDDA−

150 mV

-VDDA

VSCALE = 001

VDDA−

150 mV

-VDDA

VSCALE = 010

VDDA−

150 mV

-VDDA

VSCALE = 011

VDDA−

150 mV

-VDDA

TRIM

Trim step resolution

±0.05

±0.1

Load capacitor

0.5

1.50

esr

Equivalent Serial

Resistor of CL

Ω

Iload

Static load current

Iline_reg

Line regulation

2.8 V ≤ VDDA ≤ 3.6 V

Iload = 500 µA

200

ppm/V

Iload = 4 mA

100

Iload_reg

Load regulation

500 µA ≤ ILOAD ≤ 4 mA

Normal Mode

ppm/

Tcoeff

Temperature coefficient

−40 °C < TJ < +125 °C

Tcoeff

VREFINT

+ 100

ppm/

°C

PSRR

Power supply rejection

100KHz

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