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TDA7490SA Arkusz danych(PDF) 7 Page - STMicroelectronics |
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TDA7490SA Arkusz danych(HTML) 7 Page - STMicroelectronics |
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7 / 13 page ![]() TDA7490SA 2 Electrical characteristcs 7/13 Figure 5. output power vs supply voltage (single) Figure 6. dissipated power vs output power Figure 7. output power vs supply voltage (single) Figure 8. quiescent current vs supply voltage Figure 9. distortion vs output power 0 14 2 4 6 8 10 12 +14 +26 +16 +18 +20 +22 +24 Po(W) Vs(V) Rl =6ohm f =1KHz THD=1% THD=10% 1 1.5 2 2.5 3 3.5 02 468 10 12 Pd(W) 2 x Po(W) Vs =+/- 13.5V Rload = 8ohm (both ch) f = 1KHz 0 12 2 4 6 8 10 +14 +22 +15+16 +17 +18 +19+20 +21 THD=1% THD=10% Rl =4ohm f =1KHz Po(W) Vs(V) 40 45 50 55 60 65 70 7 8 9 10 1112 1314 15 Iq(mA) Vs=(+/-V) Rl = No load No LC filter 0.01 10 0.1 1 100m 10 200m 500m 1 2 5 THD(%) Pout(W) Vs=+/- 13.5V Rl =8ohm F=1KHz |
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