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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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CS5484 Scheda tecnica(PDF) 65 Page - Cirrus Logic |
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CS5484 Scheda tecnica(HTML) 65 Page - Cirrus Logic |
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65 / 67 page  CS5484 DS981F3 65 8. BASIC APPLICATION CIRCUITS Figure 25 shows the CS5484 configured to measure power in a single-phase, 3-wire system with two voltages and two currents. In this diagram, current transformers (CTs) are used to sense the line load currents, and resistive voltage dividers are used to sense the line voltage. CT CT 5 x 250K 1K CS5484 27nF 27nF 1K 1K L1 L2 N VIN2- VIN2+ IIN1+ IIN1- IIN2+ IIN2- Application Processor RESET RX TX GNDA GNDD DO3 DO1 DO2 VDDA +3.3V 0.1uF 0.1uF +3.3V VDDD +3.3V VREF- VREF+ 0.1uF 27nF 27nF 1K 1K ½ R BURDEN Wh Varh 4.096MHz XIN XOUT 27nF 27nF 1K SSEL Interrupt ½ R BURDEN ½ R BURDEN ½ R BURDEN MODE VIN1+ VIN1- 27nF 27nF 1K 5 x 250K 1K Zero Crossings DO4 +3.3V LOA D LOA D 0.1 uF 10K +3.3V CS Figure 25. Typical Connection (Single-phase, 3-wire, 12S Electricity Meter) |
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