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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST7580 датащи(PDF) 20 Page - STMicroelectronics |
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ST7580 датащи(HTML) 20 Page - STMicroelectronics |
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20 / 33 page  Power management ST7580 20/33 DocID022644 Rev 2 Figure 8. Power supply internal scheme and external connections Ground connections The ST7580 presents analog and digital ground connections. In particular, VSS is the power ground, VSSA is the analog ground, while GND pins refer to digital ground. It is recommended to provide external connections between the ground pins as follows: GND pins 6, 14, 33, and 45 are connected together; VSSA pins 15 and 35 are connected to the exposed pad; VSS is also connected to the exposed pad; Connection between VSSA and GND is provided through a ferrite bead. Ferrite Bead LDO LDO AFE DIGITAL INTERFACES DIGITAL CORE INTERNAL PLL PA VSS VCCA VSSA VDD_REG_1V8 GND VDD VDD_PLL VSSA LDO LDO INTERNAL PLL VCC VDDIO VSS VCCA VSSA GND AM02509v1 |
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