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STM32L152C6 Folha de dados(PDF) 94 Page - STMicroelectronics

Nome de Peças STM32L152C6
Descrição Electrónicos  Ultra-low-power 32-bit MCU ARM-based Cortex-M3, 128KB Flash, 16KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC
PDF  121 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L152C6 Folha de dados(HTML) 94 Page - STMicroelectronics

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Electrical characteristics
STM32L151x6/8/B, STM32L152x6/8/B
94/121
Doc ID 17659 Rev 8
Figure 27.
Maximum dynamic current consumption on VREF+ supply pin during ADC
conversion
General PCB design guidelines
Power supply decoupling should be performed as shown in Figure 28 or Figure 29,
depending on whether VREF+ is connected to VDDA or not. The 10 nF capacitors should be
ceramic (good quality). They should be placed as close as possible to the chip.
ADC clock
Sampling (n cycles)
Conversion (12 cycles)
Iref+
300µA
700µA
Table 56.
RAIN max for fADC = 16 MHz
(1)
Ts
(cycles)
Ts
(µs)
RAIN max (kohm)
Multiplexed channels
Direct channels
2.4 V < VDDA < 3.6 V 1.8 V < VDDA < 2.4 V 2.4 V < VDDA < 3.3 V 1.8 V < VDDA < 2.4 V
4
0.25
Not allowed
Not allowed
0.7
Not allowed
9
0.5625
0.8
Not allowed
2.0
1.0
16
1
2.0
0.8
4.0
3.0
24
1.5
3.0
1.8
6.0
4.5
48
3
6.8
4.0
15.0
10.0
96
6
15.0
10.0
30.0
20.0
192
12
32.0
25.0
50.0
40.0
384
24
50.0
50.0
50.0
50.0
1.
Guaranteed by design, not tested in production.



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