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 />
ADC<br />
THD+N - Total Harmonic Distortion + Noise - %<br />
THD+N - Total Harmonic Distortion + Noise - %<br />
TYPICAL CHARACTERISTICS<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 />
0.010<br />
0.009<br />
0.008<br />
0.007<br />
0.006<br />
0.005<br />
0.004<br />
0.003<br />
0.010<br />
0.009<br />
0.008<br />
0.007<br />
0.006<br />
0.005<br />
0.004<br />
0.003<br />
THD+N AT –1 dB DYNAMIC RANGE AND SIGNAL-TO-NOISE RATIO<br />
vs TEMPERATURE vs TEMPERATURE<br />
�50 �25 0 25 50 75 100<br />
T - Free-Air Temperature - °C<br />
A<br />
4.2 4.4 4.6 4.8 5.0 5.2 5.4<br />
V - Supply Voltage - V<br />
BUS<br />
Dynamic Range and SNR - dB<br />
96<br />
94<br />
92<br />
90<br />
88<br />
86<br />
SNR<br />
Dynamic Range<br />
�50 �25 0 25 50 75 100<br />
TA - Free-Air Temperature - °C<br />
Figure 16. Figure 17.<br />
THD+N AT –1 dB DYNAMIC RANGE AND SIGNAL-TO-NOISE RATIO<br />
vs SUPPLY VOLTAGE vs SUPPLY VOLTAGE<br />
Dynamic Range and SNR - dB<br />
98<br />
96<br />
94<br />
92<br />
90<br />
88<br />
SNR<br />
Dynamic Range<br />
86<br />
4.2 4.4 4.6 4.8 5.0 5.2 5.4<br />
V - Supply Voltage - V<br />
BUS<br />
Figure 18. Figure 19.<br />
14 Submit Documentation Feedback Copyright © 2008, <strong>Texas</strong> <strong>Instruments</strong> Incorporated<br />
Product Folder Link(s): PCM2912A
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