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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM9832 датащи(PDF) 4 Page - National Semiconductor (TI) |
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LM9832 датащи(HTML) 4 Page - National Semiconductor (TI) |
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4 / 42 page  4 www.national.com Miscellaneous RESET Digital input. Take high to force device into Power On Reset state, low to exit reset state. TEST Analog Output. CMODE Digital Input. Test mode, always tie high. Analog Power Supplies (4 pins) VA (2) This is the positive supply pin for the analog supply. It should be connected to a voltage source of +5V and bypassed to AGND with a 0.1µF monolithic capacitor in parallel with a 10µF tantalum capacitor. AGND (2) This is the ground return for the analog sup- ply. Digital Power Supplies (17 pins) VD (5) This is the positive supply pin for the digital supply. It should be connected to a voltage source of +5V and bypassed to DGND with a 0.1µF monolithic capacitor. VDRAM(3) This is the positive supply pin for the digital supply for the LM9832’s external DRAM I/O. It also powers the A, B, A, and B stepper motor outputs. It should be connected to a 3 or 5V supply and bypassed to the closest DGND pin with a 0.1µF monolithic capacitor. DGND (9) This is the ground return for VD and VDRAM. Pin Descriptions (Continued) |
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