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STAC9708 Datasheet, PDF (47/56 Pages) List of Unclassifed Manufacturers – Multi-Channel AC97 Codec With Multi-Codec Option
SigmaTel, Inc.
Preliminary
STAC9708/11
10.5 STAC9708 Analog Performance Characteristics (Tambient = 25 oC, AVdd = 5.0V ± 5%,
DVdd = 3.3V ± 5%, AVss=DVss=0V; 1 kHz input sine wave; Sample Frequency = 48 kHz; 0 dB = 1 Vrms,
10KΩ/50pF load, Testbench Characterization BW: 20 Hz – 20 kHz, 0 dB settings on all gain stages)
Table 33. Analog Performance Characteristics
PARAMETER
Full Scale Input Voltage:
Line Inputs
Mic Inputs1
Full Scale Output Voltage:
Line Output 5V
Analog S/N:
CD to LINE_OUT 5V
Other to LINE_OUT 5V
Analog Frequency Response2
Digital S/N3
D/A 5V
A/D 5V
Total Harmonic Distortion:
Line Output4
D/A & A/D Frequency Response5
Transition Band
Stop Band
Stop Band Rejection6
Out-of-Band Rejection7
Group Delay
Power Supply Rejection Ratio (1kHz)
Crosstalk between Input channels
Spurious Tone Rejection
Attenuation, Gain Step Size
Input Impedance
Input Capacitance
Vrefout
MIN
-
-
-
90
-
20
85
75
-
20
19,200
28,800
+85
-
-
-
-
-
-
10
-
-
TYP
MAX
1.0
-
0.1
-
1.0
-
98
-
98
-
-
20,000
96
-
86
-
-
-
-
-
-
+40
-
+40
-
+100
1.5
-
15
0.41 x AVdd
0.02
19,200
28,800
∞
−
−
1
−
-70
−
−
−
−
−
UNITS
Vrms
Vrms
dB
Hz
dB
%
Hz
Hz
Hz
dB
dB
ms
dB
dB
dB
dB
KΩ
pF
V
47
10/02/98