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LQM21PN3R3NGRD Datasheet(PDF) 5 Page - STMicroelectronics |
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LQM21PN3R3NGRD Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 48 page TS4621B List of figures Doc ID 022194 Rev 2 5/48 Figure 49. THD+N vs. frequency RL = 32 Ω, out-of-phase, VCC = 4.8 V. . . . . . . . . . . . . . . . . . . . . . . 20 Figure 50. THD+N vs. frequency RL = 47 Ω, in-phase, VCC = 2.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 51. THD+N vs. frequency RL = 47 Ω, out-of-phase, VCC = 2.5 V. . . . . . . . . . . . . . . . . . . . . . . 20 Figure 52. THD+N vs. frequency RL = 47 Ω, in-phase, VCC = 3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 53. THD+N vs. frequency RL = 47 Ω, out-of-phase, VCC = 3.6 V. . . . . . . . . . . . . . . . . . . . . . . 21 Figure 54. THD+N vs. frequency RL = 47 Ω, in-phase, VCC = 4.8 V . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 55. THD+N vs. frequency RL = 47 Ω, out-of-phase, VCC = 4.8 V. . . . . . . . . . . . . . . . . . . . . . . 21 Figure 56. THD+N vs. frequency RL = 10 k Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 57. THD+N vs. frequency RL = 600 Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Figure 58. THD+N vs. output voltage RL = 10 k Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 59. THD+N vs. output voltage RL = 600 Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 60. THD+N vs. input voltage, HiZ left and right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 61. CMRR vs. frequency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 62. PSRR vs. frequencyVCC = 2.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 63. PSRR vs. frequencyVCC = 3.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 64. PSRR vs. frequencyVCC = 4.8 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 65. Output signal spectrum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 66. Crosstalk vs. frequencyRL = 16 Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 67. Crosstalk vs. frequencyRL = 32 Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 68. Crosstalk vs. frequencyRL = 47 Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 69. Crosstalk vs. frequencyRL = 10 k Ω . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 70. Wake-up time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 71. Shutdown time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 72. I²C write operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 73. I²C read operations1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 74. Flowchart for short-circuit detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 75. TS4621B architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 76. Efficiency comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 77. Class-G operating with a music sample . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 78. Typical application schematic with IEC 61000-4-2 ESD protection . . . . . . . . . . . . . . . . . . 36 Figure 79. Single-ended input configuration1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Figure 80. Single-ended input configuration 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Figure 81. Incorrect ground connection for single-ended option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Figure 82. Correct ground connection for single-ended option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Figure 83. Common mode sense layout example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Figure 84. Demonstration board schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Figure 85. Copper layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Figure 86. Copper layer and overlay layers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Figure 87. TS4621B footprint recommendation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 88. Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 89. Marking (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Figure 90. Flip-chip - 16 bumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Figure 91. Device orientation in tape pocket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 |
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