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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TLK6002 датащи(PDF) 87 Page - Texas Instruments |
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TLK6002 датащи(HTML) 87 Page - Texas Instruments |
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87 / 96 page  TLK6002 www.ti.com SLLSE34 – MAY 2010 5 Appendix A – Application Board Supply Recommendations Nominal Board Voltages Required: 1.0V, and either 1.5 or 1.8V Ground - Connect all device grounds together on the application board (DGND, AGND) 1.0V – Bulk Decoupled 1. Ferrite Bead → DVDD (Locally Decoupled) 2. Ferrite Bead → AVDD / VDDT / VDDD (Locally Decoupled) 1.5V or 1.8V – Bulk Decoupled 1. Ferrite Bead → VDDQA/B (Locally Decoupled) 2. Ferrite Bead → VDDRA,VDDRB (Separate, Locally Decoupled) 3. Ferrite Bead → VDDO1,VDDO2,VDDO3 (Locally Decoupled) VREF* can be generated using 1k resistors between VDDQA/B and DGND, and should be locally decoupled. Note: Ferrite beads should have high impedance near the fundamental frequency that the parallel data is running at. Note: Bulk decoupling prior to the ferrite beads required in order to decouple noise from power source. This decoupling will be determined by your power source and what frequencies of noise it creates. Note: For close to device localized decoupling (after ferrite beads), 1.0µF and 0.1µF caps should be placed on the pins of the device on the back side of the board. It is strongly recommended that TI review relevant pages of your application board schematics and layout before fabrication to ensure first pass success. Copyright © 2010, Texas Instruments Incorporated Appendix A – Application Board Supply Recommendations 87 Submit Documentation Feedback Product Folder Link(s): TLK6002 |
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