Audio Codec with USB Interface, Mono ... - Texas Instruments
Audio Codec with USB Interface, Mono ... - Texas Instruments
Audio Codec with USB Interface, Mono ... - Texas Instruments
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
PCM2912A<br />
SLES230–SEPTEMBER 2008.......................................................................................................................................................................................... www.ti.com<br />
TYPICAL CHARACTERISTICS: INTERNAL FILTER<br />
All specifications at TA = +25°C, VBUS = 5 V, fS = 44.1 kHz, fIN = 1 kHz, and 16-bit data, unless otherwise noted.<br />
ADC Digital Decimation Filter Frequency Response<br />
Amplitude - dB<br />
Amplitude - dB<br />
0<br />
�40<br />
�80<br />
�120<br />
�160<br />
0 8 16 24 32<br />
0.2<br />
0<br />
�0.2<br />
�0.4<br />
�0.6<br />
OVERALL CHARACTERISTIC STOP BAND ATTENUATION<br />
Normalized Frequency - x f S<br />
�0.8<br />
0 0.1 0.2 0.3 0.4 0.5<br />
Normalized Frequency - x f S<br />
Amplitude - dB<br />
Amplitude - dB<br />
0<br />
�20<br />
�40<br />
�60<br />
�80<br />
�100<br />
0 0.2 0.4 0.6 0.8 1.0<br />
0<br />
�4<br />
�8<br />
�12<br />
�16<br />
Normalized Frequency - x f S<br />
Figure 1. Figure 2.<br />
PASSBAND RIPPLE TRANSIENT BAND RESPONSE<br />
�20<br />
0.46 0.48 0.50 0.52 0.54<br />
Normalized Frequency - x f S<br />
Figure 3. Figure 4.<br />
10 Submit Documentation Feedback Copyright © 2008, <strong>Texas</strong> <strong>Instruments</strong> Incorporated<br />
Product Folder Link(s): PCM2912A
Change language