CM6533-N Datasheet, PDF (54/60 Pages) C-Media Electronics – USB 2.0 Full-Speed compliant

CM6533,CM6533N,CM6533X1,CM6533DH
USB Audio Chip
10 Audio Performance
10.1 DAC Audio Quality
TA=25℃, DV50=5V, AV50=5V, Equalizer disabled, Typical Fs/Bit-depth=48KHz/16bit (except remarked in Test
Conditions), Master Volume= 0dB, Platform=DELL Desktop 32BWS02, 4G RAM, Windows 8.1 CHT
Items
Test Conditions
Test Values
Unit
Min.
Typ.
Max.
Full Scale Output Voltage
10KΩ loading
32Ω loading
1.04
Vrms
0.99
Vrms
10KΩ loading, 20~20KHz
-87
dB
THD+N @ -3dB Full Scale
32Ω loading, 20~20KHz
-86.7
-71
(@1KHZ)
dB
Dynamic Range (with -60dBFs
Output Signal)
10KΩ loading, A-Weighted
32Ω loading, A-Weighted
91
dB
92
dB
Noise Level (SNR, with -96dBFs
Output Signal)
10KΩ loading, A-Weighted
32Ω loading, A-Weighted
93
dB
93
dB
Inter-Channel Phase Delay
100Hz ~ 20kHz
+0.01
+1.01
Deg
Sampling Frequency Accuracy
10KΩ loading
-0.0046
+0.0078
%
Channel Separation(Crosstalk)
Frequency Response
Passband Ripple Range
10KΩ loading, 20~20KHz
-95
dB
32Ω loading (Normal Jack),
20~20KHz
-60
dB
32Ω loading (4-ring Combo
Jack), 20~20KHz
-61
-53
(@1KHz)
-52
dB
10KΩ loading, Fs=48kHz/16bits, -0.064
20~20KHz
(20Hz)
-0.949
(20KHz)
dB
10KΩ loading, Fs=96kHz/24bits, -0.017
20~48KHz
(20Hz)
-3
(42KHz)
dB
10KΩ loading, 20~20KHz
0.278
dB
Page 54 / 60
Rev.1.6
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