alc888-vc2-gr Realtek Semiconductor Corporation, alc888-vc2-gr Datasheet - Page 75

• Manufacturer Part Number: alc888-vc2-gr
• Description: 7.1+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

9.3.
7.1+2 Channel High Definition Audio Codec
Standard Test Conditions
Parameter
Full Scale Input Voltage
Full Scale Output Voltage
S/N (A Weighted)
THD+N
Frequency Response
Power Supply Rejection
Total Out-of-Band Noise (28.8kHz~100kHz)
Amplifier Gain Step
Crosstalk Between Input Channels
Input Impedance (Gain=0dB)
Output Impedance
Digital Power Supply Current (Normal Operation)
Digital Power Supply Current (Power Down Mode)
Analog Power Supply Current (Normal Operation)
Analog Power Supply Current (Power Down Mode)
VREFOUTx Output Voltage
VREFOUTx Output Current
Note: Fs=Sample Rate.
All Inputs (Gain=0dB)
ADC
DAC
Headphone Amplifier Output@32Ω Load
ADC
DAC
Headphone Amplifier Output@32Ω Load
ADC
DAC
Headphone Amplifier Output@32Ω Load
ADC
DAC
Amplified Output
Non-amplified Output
DVDD=3.3V
DVDD=3.3V
AVDD=5.0V
AVDD=5.0V
Analog Performance
• Tambient=25 oC, DVDD=3.3V ±5%, AVDD=5.0V±5%
• 1kHz input sine wave; Sampling frequency=48kHz; 0dB=1Vrms
• 10KΩ/50pF load; Test bench Characterization BW:10Hz~22kHz
Table 81. Analog Performance
67
Min
2.25
10
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Typical
2.50
100
-84
-90
-80
-40
-60
-80
1.6
1.1
1.2
1.0
1.5
0.9
0.7
90
96
95
47
36
51
1
5
-
-
Track ID: JATR-1076-21
0.45*Fs
0.45*Fs
Max
3.75
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Datasheet
dB FSA
dB FSA
dB FSA
dB FS
dB FS
dB FS
Units
Vrms
Vrms
Vrms
Vrms
ALC888
KΩ
mA
mA
mA
mA
mA
Hz
Hz
dB
dB
dB
dB
Ω
Ω
V
Rev. 1.4