参数资料
型号: STAC9220
厂商: Integrated Device Technology, Inc.
元件分类: Codec
英文描述: 8-CHANNEL HIGH DEFINITION AUDIO CODEC
中文描述: 8声道高传真音效
文件页数: 18/172页
文件大小: 1129K
代理商: STAC9220
STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
IDT
18
STAC9220/9221/9223
V 0.96 102706
8-CHANNEL HIGH DEFINITION AUDIO CODEC
2.4.
STAC922x/STAC922xD 4V Analog Performance Characteristics
(T
ambient
= 25 oC,
Frequency = 48 KHz; 0dB = 1 VRMS, 10 K
/ 50 pF load, Testbench Characterization BW: 20 KHz – 20 KHz, 0dB set-
tings on all gain stages)
AVdd = 4.0 V ± 5%,
DVdd = 3.3 V ± 5%,
AVss=DVss=0V;
1 KHz input sine wave;
Sample
Min and Max performance targets are not included here, as specific system characteristics, such as layout, routing and
external CODEC component selection, influence the performance of the CODEC. To receive min/max levels for your
system, please send us a unit and IDT will perform a full audio test suite and provide you with the results. Contact IDT
for more information.
Parameter
Min
Typ
Max
Unit
Full Scale Input Voltage:
All Analog Inputs with out boost
-
1.00
-
Vrms
All Analog Inputs with boost (Note 1)
-
0.03
-
Vrms
Full Scale Output:
PCM (DAC) to All Analog Outputs
HEADPHONE_OUT (32
load) per channel (peak)
Dynamic Range: -60dB signal level
(Note 2)
-
1.00
-
Vrms
-
50
-
mW
PCM to All Analog Outputs
-
95
-
dB
All Analog Inputs to A/D (1 VRMS Input Referenced)
-
85
-
dB
Analog Frequency Response (Note 3)
10
-
30,000
Hz
Total Harmonic Distortion + Noise (-3dB):
(Note 4)
PCM to All Analog Outputs
-
-90
-
dB
All Analog Inputs to A/D(-3dBV input Level)
HEADPHONE_OUT (32
load)
HEADPHONE_OUT (10 K
load)
SNR (idle channel)
(Note 5)
-
-85
-
dB
-
-88
-
dB
-
-85
-
dB
DAC to All Analog Outputs
-
100
-
dB
All Analog Inputs to A/D with High Pass Filter enabled
-
85
-
dB
A/D & D/A Digital Filter Pass Band (Note 6)
20
-
19,200
Hz
A/D & D/A Digital Filter Transition Band
19,200
-
28,800
Hz
A/D & D/A Digital Filter Stop Band
28,800
-
-
Hz
A/D & D/A Digital Filter Stop Band Rejection (Note 7)
-100
-
-
dB
DAC Out-of-Band Rejection (Note 8)
-55
-
-
dB
Group Delay (48 KHz sample rate)
-
-
1
ms
Power Supply Rejection Ratio (1 KHz)
-
-70
-
dB
Power Supply Rejection Ratio (20 KHz)
-
-40
-
dB
Any Analog Input to ADC (10 KHz Signal Frequency) Crosstalk
-
-85
-
dB
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