參數(shù)資料
型號: CM109
廠商: C-Media Electronics Inc.
英文描述: USB I/O Controller
中文描述: 的USB I / O控制器
文件頁數(shù): 25/36頁
文件大?。?/td> 618K
代理商: CM109
CM109
High Integration / Low Cost USB Audio Controller
for PC Internet Phone
Date: 08/Sep/2005
Version:
1.3a
- 30 -
8.3 Electrical Parameters
Min
Typ
Max
Unit
DAC (10K Ohm Loading)
Resolution
-
16
-
Bits
THD + N (-3dBr)
-
-74.29
-
dB
SNR
-
93.6
-
dB
Silent SNR
-
98.2
-
dB
Dynamic range
-
93.8
-
dB
Frequency response 48KHz
20
-
20K
Hz
Frequency Response 44.1KHz
20
-
20K
Hz
Output Boltage (rms)
-
1.25
-
Vrms
Output Voltage Swing
0.5
-
4.0
V
DAC (32 Ohm Loading)
Resolution
-
16
-
Bits
THD + N (-3dBr)
-
-71.1
-
dB
SNR
-
93.7
-
dB
Silent SNR
-
98.2
-
dB
Dynamic Range
-
93.8
-
dB
Frequency Response 48KHz
20
-
20K
Hz
Frequency Response 44.1KHz
20
-
20K
Output Voltage (rms)
-
1.25
-
Vrms
Output Voltage Swing
0.5
-
4.0
V
ADC
Resolution
-
16
-
bit
THD + N (-3dBr)
-
-76.1
-
dB
SNR
-
83.1
-
dB
Dynamic Range
-
81.6
-
dB
Frequency Response 48KHz
20
-
19.2
Hz
Frequency Response 44.1KHz
20
-
17.6
Hz
Input Range
0
-
2.88
Vpp
Amplification
Volume Control Level
-45
-
0
dB
Volume Control Step
-
38
-
Steps
Microphone Input
Boost Gain
-
+20
-
dB
Gain Adjustment Range
0
-
22.5
dB
Gain Adjustment Steps
-
16
-
Steps
Mixer Gain Adjustment
-33.0
-
12.0
dB
Mixer Gain Adjustment Steps
-
32
-
Steps
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