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STM8L052C6 Fiches technique(PDF) 93 Page - STMicroelectronics

No de pièce STM8L052C6
Description  Value Line, 8-bit ultra-low-power MCU, 32-KB Flash, 256-byte data EEPROM, RTC, LCD, timers, USART, I2C, SPI, ADC
PDF  103 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM8L052C6 Fiches technique(HTML) 93 Page - STMicroelectronics

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93/103
STM8L052C6
Electrical parameters
97
Figure 35. 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 36 or Figure 37,
depending on whether VREF+ is connected to VDDA or not. Good quality ceramic 10 nF
capacitors should be used. They should be placed as close as possible to the chip.
ADC clock
Sampling (n cycles)
Conversion (12 cycles)
Iref+
300µA
700µA
Table 48. RAIN max for fADC = 16 MHz
(1)
Ts
(cycles)
Ts
(µs)
RAIN max (kohm)
Slow channels
Fast 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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