CM118B Datasheet, PDF (23/25 Pages) C-Media Electronics – Highly Integrated & Configurable USB Audio Single Chip

5.4 Electrical Parameters
Resolution
THD + N (-3dBr)
SNR
Silent SNR
Dynamic range
Frequency response 48KHz
Frequency Response 44.1KHz
Output Voltage (rms)
Resolution
THD + N (-3dBr)
SNR
Silent SNR
Dynamic range
Frequency response 48KHz
Frequency Response 44.1KHz
Output Voltage (rms)
Resolution
THD + N (-3dBr)
SNR
Dynamic Range
Frequency Response 48KHz
Frequency Response 44.1KHz
Input Range
Volume Control Initial Value
Volume Control Level
Volume Control Step
Boost Gain
Gain Adjustment Initial Value
Gain Adjustment Range
Gain Adjustment Steps
Mixer Gain Initial Value
Mixer Gain Adjustment
Mixer Gain Adjustment Steps
CM118B
Highly Integrated & Configurable USB Audio Single Chip
Min
Typ
DAC (10K Ohm Loading)
-
16
-
-72
-
93
-
98
-
92
20
-
20
-
-
0.995
DAC (32 Ohm Loading)
-
16
-
-70
-
93
-
98
-
92
100
-
100
-
-
0.442
ADC
-
16
-
-84
-
90
-
88.5
100
-
100
-
0
-
Amplification
-10
-37
-
-
38
Microphone Input
-
12 / 22 (EEPROM)
8
-12
-
-
36
-7
-23.0
-
-
32
Max
-
-
-
-
-
20K
20K
-
-
-
-
-
-
20K
20K
-
-
-
-
-
20K
20K
1.000
0
-
-
23
-
8.0
-
Unit
Bits
dB
dB
dB
dB
Hz
Hz
Vrms
Bits
dB
dB
dB
dB
Hz
Hz
Vrms
bit
dB
dB
dB
Hz
Hz
Vrms
dB
dB
Steps
dB
dB
dB
Steps
dB
dB
Steps
Datasheet Revision: 1.00
Page 23 / 25
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