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TDA7801H 数据表(PDF) 5 Page - STMicroelectronics |
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TDA7801H 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 48 page ![]() DocID022674 Rev 4 5/48 TDA7801 List of figures List of figures Figure 1. Block diagram (Flexiwatt27) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2. I2C bus mode application diagram (TDA7801/H/SM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 3. I2C bus mode application diagram (TDA7801PD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4. Legacy mode application diagram (TDA7801/H/SM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 5. Legacy mode application diagram (TDA7801PD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 6. Pin connection diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 7. Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 8. Output power vs. supply voltage (4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 9. Output power vs. supply voltage (2 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 10. Distortion vs. output power (4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 11. Distortion vs. output power (2 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 12. Distortion vs. frequency (4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 13. Distortion vs. frequency (2 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 14. Vo vs. Vin (Gv1-2-3-4 settings). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 15. Vo vs. Vin (Gv1-2-3-4 settings + 6 dB dig. gain). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 16. Distortion vs. output voltage (LD-Gv2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 17. Distortion vs. output voltage (LD-Gv3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 18. Distortion vs. output voltage (LD-Gv4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 19. Output attenuation vs. Vs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 20. Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 21. Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 22. Total power dissipation & efficiency vs. Po (4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 23. Power dissipation vs. average Po (audio program simulation, 4 ) . . . . . . . . . . . . . . . . . . 20 Figure 24. Power dissipation vs. average Po (audio program simulation, 2 ) . . . . . . . . . . . . . . . . . . 20 Figure 25. ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . 20 Figure 26. Standby driving circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 27. Turn-on diagnostic cycle. Positive and negative output behaviour . . . . . . . . . . . . . . . . . . . 23 Figure 28. Turn-on diag. cycle with transition in amp. mode. Positive and negative output behaviour 24 Figure 29. Short to GND and short to Vs, threshold description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 30. Short across the speaker and open load threshold description, in amplifier mode. . . . . . . 25 Figure 31. Short across the speaker and open load threshold description, in line driver mode. . . . . . 25 Figure 32. Thermal muting diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 33. Low voltage mute attenuation, supply voltage variation (Vs); result digital attenuation (At) 29 Figure 34. TDM setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 35. I2S format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 36. Audio data input format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 37. Audio interface timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 38. I2C bus protocol description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Figure 39. PowerSO36 (slug-up) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . 43 Figure 40. Flexiwatt27 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 44 Figure 41. Flexiwatt27 (horizontal) mechanical data and package dimensions. . . . . . . . . . . . . . . . . . 45 Figure 42. Flexiwatt27 (SMD) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . 46 |
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