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LM49352 数据表(PDF) 15 Page - Texas Instruments |
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LM49352 数据表(HTML) 15 Page - Texas Instruments |
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15 / 106 page  FREQUENCY (Hz) -1 +1 -0.5 +0 +0.5 20 4k 50 100 200 500 1k 2k 10 0.001 0.01 0.1 1 FREQUENCY (Hz) 20 20k 50 100 200 500 1k 2k 5k 10k +1 -1 -0.5 +0 +0.5 FREQUENCY (Hz) 20 20k 50 100 200 500 1k 2k 5k 10k 0 400 800 1200 1600 2000 0 10 20 30 40 50 60 70 80 90 100 OUTPUT POWER (mW) LM49352 www.ti.com SNAS467E – MARCH 2009 – REVISED MARCH 2013 Typical Performance Characteristics Class D Loudspeaker Amplifier Efficiency vs Output Power THD+N < 10%, RL = 8Ω DAC Frequency Response Green >> LSVDD = 3.3V fS = 48kHz Gray >> LSVDD = 4.2V Blue >> OSR = 64 Blue >> LSVDD = 5V Light Blue >> OSR = 128 Figure 8. Figure 9. DAC Frequency Response DAC THD+N vs Frequency fS = 8kHz fS = 8kHz, OSR = 128 Blue >> OSR = 64 Light Blue >> OSR = 128 I2S Input = 500mFFS Figure 10. Figure 11. Copyright © 2009–2013, Texas Instruments Incorporated Submit Documentation Feedback 15 Product Folder Links: LM49352 |
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