CM6206 Datasheet, PDF (33/35 Pages) C-Media Electronics – High Integrated USB Audio I/O Controller

CM6206
High Integrated USB Audio I/O Controller
9.7 A-D Line in FSIV / THD+N Curve
Audio Precision
A-D THD+N vs AMPLITUDE
10/16/06 12:02:36
dx=-859.4 mVrms
+0
-10
-20
-30
-40
d
-50
B
-60
F
S
-70
-80
-90
-100
-110
-120
0 147.6m
500m
1.0107
1.5
2
Vrms
2.5
3
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Yellow Solid
1
DSP Anlr.THD+N Ampl A Left
1
2
Cyan Solid
1
DSP Anlr.THD+N Ampl B Left
Vista-A-D FSIV.at2c
Audio Precision
A-D THD+N vs FREQUENCY
10/16/06 12:03:32
+0
-20
-40
d
B
-60
F
S
-80
-100
-120
20
50
100
200
500
1k
2k
5k
10k 20k
Hz
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Yellow Solid
1
DSP Anlr.THD+N Ampl A Left
1
2
Cyan Solid
1
DSP Anlr.THD+N Ampl B Left
Vista-A-D THD+N.at2c
9.8 A-D Line in Frequency Response / Passband Ripple
Audio Precision
A-D FREQUENCY RESPONSE
10/16/06 12:11:54
+0.5
+0
+0.5
+0
-0.5
d
-1
B
F
S
-1.5
-2
-0.5
-1
d
B
F
-1.5 _S
-2
-2.5
-2.5
-3
-3
20
50
100 200
500
1k
2k
5k
10k 20k
Hz
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Yellow Solid
1
DSP Anlr.Level A Left
1
2
Green Solid
1
DSP Anlr.Level B Right
1
3
Cyan Solid
1
DSP Anlr.Level B Left
Vista-A-D Frequency Response.at2c
Audio Precision
A-D FREQUENCY RESPONSE
dx=3.30250 kHz
+0.5
dy=+0.252 dB
+0
10/18/06 18:06:40
+0.5
+0
-0.5
d
-1
B
F
S
-1.5
-2
-2.5
-0.5
-1
d
B
-1.5
F
S
--12.788
-2.04
-2.5
-3
-3
20
50
100 200
500
1k
2k 3.32k 56k.6225k10k 20k
Hz
Sweep Trace Color Line Style Thick Data
Axis Comment
1
1
Yellow Solid
1
DSP Anlr.Level A Left
1
2
Green Solid
1
DSP Anlr.Level B Right
1
3
Cyan Solid
1
DSP Anlr.Level B Left
Vista-A-D Frequency Response.at2c
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