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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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TDA7448 Scheda tecnica(PDF) 4 Page - STMicroelectronics |
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TDA7448 Scheda tecnica(HTML) 4 Page - STMicroelectronics |
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4 / 13 page  TDA7448 4/13 Figure 1. Test circuit APPLICATION SUGGESTIONS The volume control range is 0 to -79dB, by 1dB step resolution. The very high resolution allows the implementation of systems free from any noise acoustical effect. CREF The suggested 10 µF reference capacitor (CREF) value can be reduced to 4.7 µF if the application re- quires faster power ON. Figure 2. THD vs. frequency Figure 3. THD vs. RLOAD Figure 4. Channel separation vs. frequency VOLUME VS VOLUME VOLUME VOLUME VOLUME VOLUME I 2 C BUS DECODER SUPPLY 2 IN1 0.47 µF 0.47 µF 0.47 µF 0.47 µF 0.47 µF 0.47 µF 10 µF OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 SDA SCL ADDR D02AU1406 IN2 IN3 IN4 IN5 IN6 IN1 IN2 IN3 IN4 IN5 IN6 11 9 10 16 5 15 6 14 7 GND CREF 19 3 18 4 17 11 20 1 50K 50K 50K 50K 50K 50K |
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