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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STM8L151C8 데이터시트(PDF) 117 Page - STMicroelectronics |
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STM8L151C8 데이터시트(HTML) 117 Page - STMicroelectronics |
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117 / 134 page  DocID17943 Rev 6 117/134 STM8L15xx8, STM8L15xR6 Electrical parameters 121 Figure 44. 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 45 or Figure 46, 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) I ref+ 300μA 700μA MS32625V1 Table 57. 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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