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TLV320AIC3253IYZKR Datasheet(PDF) 8 Page - Texas Instruments |
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TLV320AIC3253IYZKR Datasheet(HTML) 8 Page - Texas Instruments |
8 / 33 page TLV320AIC3253 SLOS631 – MARCH 2010 www.ti.com Electrical Characteristics, Audio Outputs At 25°C, AVdd, DVdd, IOVDD = 1.8V, LDO_in = 1.8V, AVdd LDO disabled, fs (Audio) = 48kHz, Cref = 10 mF on REF PIN, PLL disabled unless otherwise noted. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Audio DAC – Stereo Single-Ended Headphone Output Load = 16 Ω (single-ended), 50pF Headphone Output on AVdd Supply, Input & Output CM=0.9V, DOSR = 128, Device Setup MCLK=256* fs, Channel Gain=0dB word length = 16 bits; Processing Block = PRB_P1 Power Tune = PTM_P3 Full scale output voltage (0dB) 0.5 VRMS SNR Signal-to-noise ratio, A-weighted(1) (2) All zeros fed to DAC input, modulator in 88 100 dB excited state DR Dynamic range, A-weighted (1) (2) –60dB 1kHz input full-scale signal, Word 99 dB Length = 20 bits, Power Tune = PTM_P4 THD+N Total Harmonic Distortion plus Noise –3dB full-scale, 1-kHz input signal –80 –70 dB DAC Gain Error 0dB, 1kHz input full scale signal ±0.1 dB DAC Mute Attenuation Mute 127 dB DAC channel separation –1dB, 1kHz signal, between left and right HP 92 dB out 100mVpp, 1kHz signal applied to AVdd 70 dB DAC PSRR 100mVpp, 217Hz signal applied to AVdd 75 dB RL=16Ω, Output Stage on AVdd = 1.8V 13 THDN < 1%, Input CM=0.9V, Output CM=0.9V, Channel Gain=2dB Power Delivered mW RL=16 Ω Output Stage on LDOIN = 3.3V, 47 THDN < 1% Input CM=0.9V, Output CM=1.65V, Channel Gain=8dB Audio DAC – Stereo Single-Ended Headphone Output Load = 16 Ω (single-ended), 50pF, Headphone Output on AVdd Supply, Input & Output CM=0.75V; AVdd=1.5V, Device Setup DOSR = 128, MCLK=256* fs, Channel Gain = –2dB, word length=20-bits; Processing Block = PRB_P1, Power Tune = PTM_P4 Full scale output voltage (0dB) 0.375 VRMS SNR Signal-to-noise ratio, A-weighted(1) (2) All zeros fed to DAC input, modulator in 99 dB excited state DR Dynamic range, A-weighted (1) (2) -60dB 1 kHz input full-scale signal 98 dB THD+N Total Harmonic Distortion plus Noise –3dB full-scale, 1-kHz input signal –84 dB Audio DAC – Mono Differential Headphone Output (1) Ratio of output level with 1-kHz full-scale sine wave input, to the output level with the inputs short circuited, measured A-weighted over a 20-Hz to 20-kHz bandwidth using an audio analyzer. (2) All performance measurements done with 20-kHz low-pass filter and, where noted, A-weighted filter. Failure to use such a filter may result in higher THD+N and lower SNR and dynamic range readings than shown in the Electrical Characteristics. The low-pass filter removes out-of-band noise, which, although not audible, may affect dynamic specification values 8 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TLV320AIC3253 |
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