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ALC888S-VD Datasheet(PDF) 84 Page - Realtek Semiconductor Corp.

Part No. ALC888S-VD
Description  7.12 CHANNEL HD AUDIO CODEC WITH TWO INDEPENDENT SPDIF OUTPUTS
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Maker  REALTEK [Realtek Semiconductor Corp.]
Homepage  https://www.realtek.com/en/
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 84 page
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ALC888S-VD
Datasheet
7.1+2 Channel HD Audio Codec with Two Independent
SPDIF Outputs
76
Track ID: JATR-2265-11
Rev. 1.2
9.3. Analog Performance
Standard Test Conditions
• Tambient=25oC, 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 87. Analog Performance
Parameter
Min
Typical
Max
Units
Full-Scale Input Voltage
All Inputs (Gain=0dB) to ADC
-
1.5
-
Vrms
Full-Scale Output Voltage (Gain=0dB)
DAC
Headphone Amplifier Output@32
Ω Load
-
-
1.2
1.1
-
-
Vrms
Vrms
Dynamic Range with –60dB Signal (A-Weight)
ADC
DAC
Headphone Amplifier Output@32
Ω Load
-
92
-
90
95
93
-
97
-
dB FSA
dB FSA
dB FSA
THD+N with –3dB Signal (No A-Weight)
ADC from Port-C and Port-F
ADC from Other Port Except Port-C and Port-F
DAC to All Port
Headphone Amplifier Output@32
Ω Load
-
-
-
-
-84
-85
-84
-75
-
-
-
-
dB FS
dB FS
dB FS
dB FS
Magnitude Response (10K
Ω Load)
All DAC @Fs=48KHz (FR=
±0.05dB)
All DAC @Fs=96KHz (FR=
±0.05dB)
All DAC @Fs=192KHz (FR=
±0.05dB)
All ADC @Fs=48KHz (FR=
±0.04dB)
All ADC @Fs=96KHz (FR=
±0.04dB)
All ADC @Fs=192KHz (FR=
±0.04dB)
0
0
0
0
0
0
-
-
-
-
-
-
21,792
43,584
87,168
19,200
38,400
76,800
Hz
Hz
Hz
Hz
Hz
Hz
Power Supply Rejection (Measured at 1kHz Point)
-
-72
-
dB
Amplifier Gain Step
-
1.0
-
dB
Channel Separation (Crosstalk)
-
-80
-
dB
Input Impedance (Gain=0dB)
-
64
-
K
Output Impedance
Amplified Output
Non-Amplified Output
-
-
2
200
-
-
Digital Power Supply Current (Normal/DVD-Audio)
DVDD=3.3V
-
12/28
-
mA
Digital Power Supply Current (D2)
DVDD=3.3V
-
-
1100
µA
Analog Power Supply Current (Normal Operation)
AVDD=5.0V
-
48
-
mA
Analog Power Supply Current (D2)
AVDD=5.0V
-
530
-
µA
VREFOUTx Output Voltage
-
0.5×LDO-OUT1
0.8×LOD-OUT1
V
VREFOUTx Output Current
-
5
-
mA




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