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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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L6982 датащи(PDF) 24 Page - STMicroelectronics |
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L6982 датащи(HTML) 24 Page - STMicroelectronics |
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24 / 48 page  8 Application notes 8.1 Programmable power up threshold The Enable rising threshold is equal to 1.2 V typical (refer to Table 6). The power up threshold is adjusted accordingly with the following equation: VPower Up=1.2∙ 1+REN HREN L (24) Figure 26. Leading network example (*) Synchronization is allowed only for LNM versions. The Enable falling threshold is equal to 1.0 V typical (refer to Electrical characteristics table). The turn off threshold is obtained accordingly with the following equation: VPower Down=1.0∙ 1+REN HREN L (25) 8.2 External synchronization (only available for Low Noise Mode) The device allows a direct connection between a clock source and the EN/CLKIN pin. Figure 27. External synchronization. Direct connection L6982 Application notes DS13683 - Rev 1 page 24/48 |
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