CM6206 Datasheet, PDF (34/35 Pages) C-Media Electronics – High Integrated USB Audio I/O Controller

CM6206
High Integrated USB Audio I/O Controller
9.9 A-D Mic in FSIV / THD+N Curve
Audio Precision
A-D THD+N vs AMPLITUDE
10/16/06 11:57:37
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 11:55:16
+0
-20
-40
d
B
-60
F
S
-80
-100
-120
20
50
100
200
500
1k
2k
Hz
5k
10k 20k
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
9.10 A-D Mic in Frequency Response / Passband Ripple
A u d io P re c is io n
A -D F R E Q U E N C Y R E S P O N S E
1 0 /1 6 /0 6 1 2 :0 0 :0 2
d x = -1 9 .9 8 0 k H z
d y = + 0 .7 5 9 d B
+ 0 .5
+ 0 .5
+0
+0
-0 .5
d
-1
B
F
S
-1 .5
-2
-2 .5
-3
20
50
100
200
500
1k
2k
Hz
-0 .5
-1
d
B
F
-1 .5
S
--12 . 9 9 2
-2 .5
-2 .7 5 2
-3
5k
1 0 k 2 0 2k 0 k
Sw eep
1
1
1
T ra ce
1
2
3
C o lo r
Y e llo w
G re e n
C ya n
L in e S tyle
S o lid
S o lid
S o lid
T h ic k D a ta
1
D S P A n lr.L e ve l A
1
D S P A n lr.L e ve l B
1
D S P A n lr.L e ve l B
A xis C o m m e n t
L e ft
R ig h t
L e ft
V is ta -A -D F re q u e n c y R e s p o n s e .a t2 c
Audio Precision
A-D FREQUENCY RESPONSE
10/16/06 12:00:02
+0.5
+0
dx=-3.3025 kHz
dy=+0.252 dB
+0.5
+0
-0.5
d
-1
B
F
S
-1.5
-2
-2.5
-0.5
-1
d
B
F
-1.5 _S
--12.862
-2.114
-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
Reference
USB-IF, USB Specification, Revision 1.1 and 2.0, and USB Audio Device Class Specification, Revision 1.0.
www.cmedia.com.tw
Copyright © C-Media Electronics Inc.
Rev. 2.3 ︱ Page 34/37