CM108AH Datasheet, PDF (24/27 Pages) C-Media Electronics – Highly Integrated USB Audio I/O Controller

CM108AH
Highly Integrated USB Audio I/O Controller
9 Audio Quality Graphs
9.1 Line Out Frequency Response @ 48KHz Sample Rate (10K Ohm Loading)
Audio Precision
dx=-19.980 kHz
+1
-0.01+0
-1
d
B
-2
r
-3
A -3.143
-4
dy=-3.132 dB
09/26/08 14:33:51
-5
-6
20
50
100
200
500
1k
2k
Hz
5k
10k
Sweep Trace Color Line Style Thick Data
Axis Com m ent
1
1
Cyan
Solid
1
Fas ttes t.Ch.1 Am pl!Norm alize Left
1
2
Yellow Solid
1
Fas ttes t.Ch.2 Am pl!Norm alize Left
Vis ta-Frequency Res pons e-M48k.at27
1290.k998k
9.2 Line Out THD+N @ 48KHz sample rate (10K Ohm Loading)
Audio Precision
+0
-10
-20
-30
-40
d
-50
B
r
-60
A
-70
-80
-90
-100
-110
-120
20
50
100
200
500
1k
2k
Hz
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Cyan Solid
2
Anlr.THD+N Ampl Left
1
2
Yellow Solid
2
Anlr.THD+N Ampl Left
Vista-D-A THD+N.at27
www.cmedia.com.tw
Copyright© C-Media Electronics Inc.
Rev. 2.1︱ Page 24/27
09/26/08 14:27:07
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