Audio Codec with USB Interface, Mono ... - Texas Instruments
Audio Codec with USB Interface, Mono ... - Texas Instruments
Audio Codec with USB Interface, Mono ... - Texas Instruments
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PCM2912A<br />
SLES230–SEPTEMBER 2008.......................................................................................................................................................................................... www.ti.com<br />
DAC Digital Interpolation Filter Frequency Response<br />
Amplitude - dB<br />
0<br />
�20<br />
�40<br />
�60<br />
�80<br />
�100<br />
TYPICAL CHARACTERISTICS: INTERNAL FILTER (continued)<br />
All specifications at T A = +25°C, V BUS = 5 V, f S = 44.1 kHz, f IN = 1 kHz, and 16-bit data, unless otherwise noted.<br />
STOP BAND ATTENUATION PASSBAND RIPPLE<br />
0 1 2 3 4<br />
Normalized Frequency - x f S<br />
Amplitude - dB<br />
0<br />
�4<br />
�8<br />
�12<br />
�16<br />
�20<br />
Amplitude - dB<br />
0.2<br />
0<br />
�0.2<br />
�0.4<br />
�0.6<br />
�0.8<br />
0.46 0.48 0.50 0.52 0.54<br />
Normalized Frequency - x f S<br />
0 0.1 0.2 0.3 0.4 0.5<br />
Normalized Frequency - x f S<br />
Figure 9. Figure 10.<br />
TRANSIENT BAND RESPONSE<br />
Figure 11.<br />
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Product Folder Link(s): PCM2912A