Texas Instruments DEM-PCM2912 EVM, User Manual, Page: 35 / 43

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Playback Performance
Table 4-1. Line Output Playback Performance
Power Supply Performance Filter Setting R
L
V
OUT
L V
OUT
R
5.0 V THD+N (0 dBFS at 400 Hz to 20 kHz 10 k
Ω
0.0086% 0.0085%
1 kHz) Pre-Anlr
SNR (BPZ input) 400 Hz to 20 kHz 10 k
Ω
92.1 dB 92.1 dB
Pre-Anlr
+ A-weighting
DR (–60 dBFS 400 Hz to 20 kHz 10 k
Ω
90.3 dB 90.5 dB
input) Pre-Anlr
+ A-weighting
Channel Separation 400 Hz to 20 kHz 10 k
Ω
89.3 dB 89.3 dB
(BPZ input for target Pre-Anlr
channel)
Table 4-2. 32-
Ω
Headphone Output Playback Performance
Power Supply Performance Filter Setting R
L
V
OUT
L V
OUT
R
5.0 V THD+N (0 dBFS at 400 Hz to 20 kHz 32
Ω
0.026% 0.025%
1 kHz) Pre-Anlr
SNR (BPZ input) 400 Hz to 20 kHz 32
Ω
92.1 dB 92.1 dB
Pre-Anlr
+ A-weighting
DR (–60 dBFS 400 Hz to 20 kHz 32
Ω
89.4 dB 89.4 dB
input) Pre-Anlr
+ A-weighting
Table 4-3. 16-
Ω
Headphone Output Playback Performance
Power Supply Performance Filter Setting R
L
V
OUT
L V
OUT
R
5.0 V THD+N (0 dBFS at 400 Hz to 20 kHz 16
Ω
0.044% 0.042%
1 kHz) Pre-Anlr
SNR (BPZ input) 400 Hz to 20 kHz 16
Ω
92.1 dB 92.1 dB
Pre-Anlr
+ A-weighting
DR (–60 dBFS 400 Hz to 20 kHz 16
Ω
89.4 dB 89.3 dB
input) Pre-Anlr
+ A-weighting
SBAU132 – March 2008 Evaluation and Measurements 35
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