STM32F303XD datasheet(144/173 Pages) STMICROELECTRONICS

Part #	STM32F303XD

Description	ARM Cortex-M4 32b MCUFPU, up to 512KB Flash, 80KB SRAM, FSMC, 4 ADCs, 2 DAC ch., 7 comp, 4 Op-Amp, 2.0-3.6 V

PDF	173 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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144 / 173 page

Electrical characteristics

STM32F303xD STM32F303xE

144/173

DocID026415 Rev 5

Figure 51. Typical connection diagram using the ADC

1. Refer to Table 79 for the values of RAIN.

2. Cparasitic represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the

pad capacitance (roughly 7 pF). A high Cparasitic value downgrades conversion accuracy. To remedy this,

fADC should be reduced.

General PCB design guidelines

Power supply decoupling should be performed as shown in Figure 12. The 10 nF capacitor

should be ceramic (good quality) and it should be placed as close as possible to the chip.

6.3.20

DAC electrical specifications

Table 86. DAC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Analog supply voltage

2.4

3.6

RLOAD(1)

Resistive load

DAC output buffer ON

Resistive load

Dac output buffer ON:

connected to VSSA

Dac output buffer ON:

connected to VDDA

RO(1)

Output impedance

DAC output buffer OFF

CLOAD(1)

Capacitive load

DAC output buffer ON

VDAC_OUT (1)

Voltage on DAC_OUT

output

Corresponds to 12-bit input

code (0x0E0) to (0xF1C) at

VDDA = 3.6 V

and (0x155) and (0xEAB) at

VDDA = 2.4 V DAC output

buffer ON.

0.2

VDDA – 0.2

DAC output buffer OFF

0.5

VDDA - 1LSB

STM32F303XD Datasheet(PDF) 144 Page - STMicroelectronics

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