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Ultra Low Power Stereo Audio Codec (Rev. A

Ultra Low Power Stereo Audio Codec (Rev. A

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TLV320AIC3204<strong>Ultra</strong> <strong>Low</strong> <strong>Power</strong> <strong>Stereo</strong> <strong>Audio</strong> <strong>Codec</strong>SLOS602A–SEPTEMBER 2008–REVISED OCTOBER 2008www.ti.com5.5.3 DAC <strong>Power</strong> ConsumptionThe tables in this section give recommendations for various DAC <strong>Power</strong>Tune modes. Typical performanceand power-consumption numbers are listed. <strong>Power</strong>Tune modes which are not supported are marked withan ‘X’.All measurements were taken with the PLL turned off, no signal is present, and the DAC modulator is fullyrunning.5.5.3.1 DAC, <strong>Stereo</strong>, 48kHz, Highest Performance, DVdd = 1.8V, AVdd = 1.8VDOSR = 128, Processing Block = PRB_P8 (Interpolation Filter B)Device Common Mode Setting = 0.75V Device Common Mode Setting = 0.9VPTM_P1 PTM_P2 PTM_P3 PTM_P4 PTM_P1 PTM_P2 PTM_P3 PTM_P4 UNIT0dB full scale (1) 75 225 375 375 100 300 500 500 mV RMSHP out Effective SNR w.r.t. 88.7 94.1 98.9 99.0 90.5 96.3 100.0 100.0 dB(32Ω 0dB full scaleload)<strong>Power</strong> consumption 9.4 10.1 10.9 10.9 9.5 10.1 10.9 10.9 mWLine out Effective SNR w.r.t. 88.7 94.1 98.9 99.0 90.5 96.3 100.0 100.0 dB0dB full scale<strong>Power</strong> consumption 7.7 8.4 9.1 9.1 7.7 8.4 9.1 9.2 mW(1) Reduced 0dB full-scale swing can be compensated by applying appropriate gain in the output drivers see Section 5.13.1.Alternative processing blocks:Processing Block Filter Est. <strong>Power</strong> Change (mW)PRB_P1 A 0PRB_P2 A +3.1PRB_P3 A +1.6PRB_P7 B –1.6PRB_P9 B 0PRB_P10 B +1.6PRB_P11 B –0.8PRB_P23 A 0PRB_P24 A +3.1PRB_P25 A +3.134 Application InformationSubmit Documentation Feedback

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