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TDA7495SA 数据表(PDF) 9 Page - STMicroelectronics |
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TDA7495SA 数据表(HTML) 9 Page - STMicroelectronics |
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9 / 15 page ![]() TDA7495SA Applications 9/15 3.5 Internal equivalent circuits Figure 13. Supply voltage vs frequency Figure 14. Gain vs volume control voltage (#3) 20 100 1K f(Hz) -100 -80 -60 -40 -20 SVR (dB) D97AU564 VRIP=1VRMS MAX VOLUME MAX ATTENUATION 0.0 1.0 2.0 3.0 4.0 Vpin#3(V) -80 -70 -60 -50 -40 -30 -20 -10 0 10 20 30 Gain (dB) D97AU563 POUT=1W Figure 15. Power dissipation vs output power Figure 16. Power dissipation vs output power 0.1 1 10 POUT(W) 0 2 4 6 8 PDISS (W) D97AU567 VS=14V VS=18V VS=24V RL=2 x 8Ω f=1KHz 10 VS=28V 0.1 1 10 POUT(W) 0 4 8 12 16 PDISS (W) D97AU568 VS=20V VS=26V RL=2 x 4Ω f=1KHz Figure 17. Pin: SVR Figure 18. Pins: INL, INR + - 6K 6K 1K 1K 30K 30K SVR 20K 20K VS VS VS OUT L OUT R 100 µA D97AU585A 500 µA 30K VS INn SVR D97AU589 6K |
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