STAC9704 Datasheet, PDF (43/49 Pages) Hynix Semiconductor – Multimedia Audio Codec for AC97

SigmaTel, Inc.
STAC9704/7
8.6 STAC9707 Analog Performance Characteristics (T_ambient = 25^o C, AVdd =
DVdd = 3.3V ± 5%, AVss=DVss=0V; 1 kHz input sine wave; Sample Frequency = 48 kHz;
0dB = 1 Vrms, 10K ohm/ 50pF load, Testbench Characterization BW: 20 Hz – 20kHz, 0dB
settings on all gain stages)
Table 30. Analog Performance Characteristics
PARAMETER
MIN
Full Scale Output Voltage:
Line Inputs to line output 3.3V
-
Line Inputs to LINE_OUT 3.3V @ Line In =
1 Vrms and @ Gain setting of -6 dB
Line Inputs to LINE_OUT 3.3V @ Line In =
0.5 Vrms and @ gain setting of 0dB
PCM to LINE_OUT 3.3V @ full scale PCM input
@PCM gain setting of 0dB
PCM to Line Output 3.3V
MIC Inputs to LINE_OUT 3.3V @ MIC In
= 1 Vrms and @ gain setting of 0dB
Analog S/N:
CD to LINE_OUT 3.3V
-
Other to LINE_OUT 3.3V
Analog Frequency Response²
20
Digital S/N³
D/A 3.3V
85
A/D 3.3V
75
Total Harmonic Distortion:
Line Output⁴
-
D/A & A/D Frequency Response⁵
20
Transition Band
19,200
Stop Band
Stop Band Rejection⁶
Out-of-Band Rejection⁷
28,800
+85
-
Group Delay
-
Power Supply Rejection Ratio (1kHz)
-
Crosstalk between Input channels
-
TYP
0.5
0.5
0.5
0.5
0.5
90
90
-
90
85
-
-
-
-
-
+40
-
+40
-
MAX
-
-
20,000
-
-
0.02
19,200
28,800
∞
−
−
1
−
-70
UNITS
Vrms
Vrms
Vrms
Vrms
Vrms
Hz
%
Hz
Hz
Hz
dB
dB
ms
dB
dB
43
10/02/98