STMicroelectronics Pop-free 120 mW stereo headphone amplifier DEMOTS488S User Manuals

Table of Contents

• 1 Typical application schematic

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  • Figure 1. Typical application for the TS488-TS489

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  • Table 1. Application component information

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• 2 Absolute maximum ratings and operating conditions

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  • Table 2. Absolute maximum ratings

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  • Table 3. Operating conditions

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• 3 Electrical characteristics

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  • Table 4. Electrical characteristics at VCC = +5 V with GND = 0 V, Tamb = 25 C (unless otherwise specified)

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  • Table 5. Electrical characteristics at VCC = +3.3 V with GND = 0 V, Tamb = 25 C (unless otherwise specified)

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  • Table 6. Electrical characteristics at VCC = +2.5 V with GND = 0 V, Tamb = 25 C (unless otherwise specified)

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  • Table 7. Index of graphics

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  • Figure 2. Open-loop frequency response

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  • Figure 3. Open-loop frequency response

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  • Figure 4. Open-loop frequency response

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  • Figure 5. Open-loop frequency response

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  • Figure 6. Open-loop frequency response

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  • Figure 7. Open-loop frequency response

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  • Figure 8. Open-loop frequency response

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  • Figure 9. Open-loop frequency response

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  • Figure 10. Open-loop frequency response

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  • Figure 11. Open-loop frequency response

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  • Figure 12. Power derating curves

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  • Figure 13. Power derating curves

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  • Figure 14. Signal-to-noise ratio vs. power supply voltage

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  • Figure 15. Signal-to-noise ratio vs. power supply voltage

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  • Figure 16. Signal-to-noise ratio vs. power supply voltage

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  • Figure 17. Signal-to-noise ratio vs. power supply voltage

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  • Figure 18. Signal-to-noise ratio vs. power supply voltage

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  • Figure 19. Signal-to-noise ratio vs. power supply voltage

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  • Figure 20. Power dissipation vs. output power per channel

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  • Figure 21. Power dissipation vs. output power per channel

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  • Figure 22. Power dissipation vs. output power per channel

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  • Figure 23. Power supply rejection ratio vs. frequency

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  • Figure 24. Power supply rejection ratio vs. frequency

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  • Figure 25. Power supply rejection ratio vs. frequency

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  • Figure 26. Total harmonic distortion plus noise vs. output power

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  • Figure 27. Total harmonic distortion plus noise vs. output power

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  • Figure 28. Total harmonic distortion plus noise vs. output power

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  • Figure 29. Total harmonic distortion plus noise vs. output power

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  • Figure 30. Total harmonic distortion plus noise vs. output power

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  • Figure 31. Total harmonic distortion plus noise vs. output power

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  • Figure 32. Total harmonic distortion plus noise vs. output power

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  • Figure 33. Total harmonic distortion plus noise vs. output power

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  • Figure 34. Total harmonic distortion plus noise vs. output power

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  • Figure 35. Total harmonic distortion plus noise vs. output power

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  • Figure 36. Total harmonic distortion plus noise vs. output power

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  • Figure 37. Total harmonic distortion plus noise vs. output power

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  • Figure 38. Total harmonic distortion plus noise vs. output power

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  • Figure 39. Total harmonic distortion plus noise vs. output power

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  • Figure 40. Total harmonic distortion plus noise vs. output power

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  • Figure 41. Total harmonic distortion plus noise vs. output power

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  • Figure 42. Total harmonic distortion plus noise vs. output power

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  • Figure 43. Total harmonic distortion plus noise vs. output power

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  • Figure 44. Total harmonic distortion plus noise vs. frequency

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  • Figure 45. Total harmonic distortion plus noise vs. frequency

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  • Figure 46. Total harmonic distortion plus noise vs. frequency

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  • Figure 47. Total harmonic distortion plus noise vs. frequency

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  • Figure 48. Total harmonic distortion plus noise vs. frequency

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  • Figure 49. Total harmonic distortion plus noise vs. frequency

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  • Figure 50. Total harmonic distortion plus noise vs. frequency

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  • Figure 51. Total harmonic distortion plus noise vs. frequency

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  • Figure 52. Total harmonic distortion plus noise vs. frequency

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  • Figure 53. Output power vs. load resistance

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  • Figure 54. Output power vs. load resistance

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  • Figure 55. Output power vs. load resistance

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  • Figure 56. Output power vs. power supply voltage

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  • Figure 57. Output power vs. power supply voltage

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  • Figure 58. Output voltage swing vs. power supply voltage

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  • Figure 59. Current consumption vs. power supply voltage

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  • Figure 60. Current consumption vs. standby voltage

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  • Figure 61. Current consumption vs. standby voltage

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  • Figure 62. Current consumption vs. standby voltage

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  • Figure 63. Current consumption vs. standby voltage

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  • Figure 64. Current consumption vs. standby voltage

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  • Figure 65. Current consumption vs. standby voltage

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  • Figure 66. Crosstalk vs. frequency

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  • Figure 67. Crosstalk vs. frequency

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  • Figure 68. Crosstalk vs. frequency

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  • Figure 69. Crosstalk vs. frequency

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  • Figure 70. Crosstalk vs. frequency

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  • Figure 71. Crosstalk vs. frequency

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  • Figure 72. Crosstalk vs. frequency

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  • Figure 73. Crosstalk vs. frequency

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  • Figure 74. Crosstalk vs. frequency

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  • Figure 75. Crosstalk vs. frequency

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  • Figure 76. Crosstalk vs. frequency

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  • Figure 77. Crosstalk vs. frequency

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• 4 Application information

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  • 4.1 Power dissipation and efficiency

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    • Figure 78. Current delivered by power supply voltage in single-ended configuration

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  • 4.2 Total power dissipation

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  • 4.3 Lower cutoff frequency

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    • Figure 79. Lower cutoff frequency vs. input capacitor

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    • Figure 80. Lower cutoff frequency vs. output capacitor

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  • 4.4 Higher cutoff frequency

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    • Figure 81. Higher cutoff frequency vs. feedback capacitor

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  • 4.5 Gain setting

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  • 4.6 Decoupling of the circuit

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  • 4.7 Standby mode

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    • Figure 82. Internal equivalent schematic of the TS488 (TS489) in standby mode

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  • 4.8 Wake-up time

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    • Figure 83. Typical wake-up time vs. bypass capacitance

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  • 4.9 POP performance

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    • Connecting the headphones

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• 5 Package mechanical data

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  • 5.1 MiniSO-8 package

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  • 5.2 DFN8 package

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• 6 Ordering information

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  • Table 8. Order codes

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• 7 Revision history

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  • Table 9. Document revision history

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