STAC9227 데이터 시트보기 (PDF) - Integrated Device Technology
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STAC9227 Datasheet PDF : 237 Pages
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STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Parameter
Conditions
AVdd Min Typ
5V
100
SNR - DAC to All Headphone
Analog Mixer Disabled, 32 Ω 4.5 V
98
Ports (Note 4)
load, PCM data
4.0 V
97
3.3 V
95
THD+N - DAC to All Headphone
Ports
(Note 3)
Analog Mixer Disabled, -3dB
Signal, 32 Ω load, PCM data
5V
4.5 V
4.0 V
3.3 V
85
83
82
80
SNR - DAC to All Headphone
Ports
(Note 4)
Analog Mixer Enabled, 10 KΩ
load, PCM data
5V
4.5 V
4.0 V
3.3 V
90
88
87
85
THD+N - DAC to All Headphone
Ports
(Note 3)
Analog Mixer Enabled, -3dB
Signal, 10kΩ load, PCM data
5V
4.5 V
4.0 V
3.3 V
79
77
76
74
SNR - DAC to All Headphone
Ports
(Note 4)
Analog Mixer Enabled, 32 Ω
load, PCM data
5V
4.5 V
4.0 V
3.3 V
87
85
84
82
THD+N - DAC to All Headphone
Ports
(Note 3)
Analog Mixer Enabled, -3dB
Signal, 32 Ω load, PCM data
5V
4.5 V
4.0 V
3.3 V
74
72
71
69
Any Analog Input to DAC
Crosstalk
10 KHz Signal Frequency All
-
-85
Any Analog Input to DAC
Crosstalk
1 KHz Signal Frequency
All
-
-80
Gain Error
Analog Mixer Disabled
All
Interchannel Gain Mismatch
Analog Mixer Disabled
All
D/A Digital Filter Pass Band
(Note 5)
All
20
-
D/A Digital Filter Transition Band
All 19,200 -
D/A Digital Filter Stop Band
All 28,800 -
D/A Digital Filter Stop Band Rejcn
(Note 6)
All -100
-
D/A Out-of-Band Rejection
(Note 7)
All
-55
-
Group Delay (48 KHz sample
rate)
All
-
-
Attenuation, Gain Step Size
DIGITAL
All
-
0.75
Gain Drift
All
-
100
DAC Offset Voltage
All
-
100
Max
-
-
0.5
0.5
19,200
28,800
-
-
-
1
-
-
20
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Hz
Hz
Hz
dB
dB
ms
dB
ppm/ºC
mV
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
18
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007
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