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DAC53401 Scheda tecnica(PDF) 38 Page - Texas Instruments |
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DAC53401 Scheda tecnica(HTML) 38 Page - Texas Instruments |
38 / 42 page 1 2 3 4 8 7 6 5 Decouplin g Capacitor GND GND VOUT LDO bypass capacitor SCL Pull-down for A0 (Note: Gro und and Power plan es omitted for cla rity) VDD DACx340 1 VFB SDA Pull-up for S CL Pull-up for S DA 38 DAC53401, DAC43401 SLASES7 – JULY 2019 www.ti.com Product Folder Links: DAC53401 DAC43401 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated 10 Power Supply Recommendations The DACx3401 family of devices does not require specific supply sequencing. These devices require a single power supply, VDD. Use a 0.1-µF decoupling capacitor for the VDD pin. Use a bypass capacitor with a value greater than 1.5-µF for the CAP pin. 11 Layout 11.1 Layout Guidelines The DACx3401 pin configuration separates the analog, digital, and power pins for an optimized layout. For signal integrity, separate the digital and analog traces, and place decoupling capacitors close to the device pins. 11.2 Layout Example Figure 21 shows an example layout drawing with decoupling capacitors and pullup resistors. Figure 21. Layout Example |
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