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STM32F303XD bảng dữ liệu(PDF) 144 Page - STMicroelectronics

tên linh kiện STM32F303XD
Giải thích chi tiết về linh kiện  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
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32F303XD bảng dữ liệu(HTML) 144 Page - STMicroelectronics

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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
V
RLOAD(1)
Resistive load
DAC output buffer ON
5
-
-
k
Ω
RL
Resistive load
Dac output buffer ON:
connected to VSSA
5-
-
k
Ω
Dac output buffer ON:
connected to VDDA
25
-
-
k
Ω
RO(1)
Output impedance
DAC output buffer OFF
-
-
15
k
Ω
CLOAD(1)
Capacitive load
DAC output buffer ON
-
-
50
pF
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
V
DAC output buffer OFF
-
0.5
VDDA - 1LSB
mV



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