ALC892 데이터 시트보기 (PDF) - Realtek Semiconductor
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ALC892 Datasheet PDF : 90 Pages
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ALC892
Datasheet
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 86. Analog Performance
Parameter
Min
Typical
Full-Scale Input Voltage
All Inputs (Gain=0dB) to ADC
-
1.5
Full-Scale Output Voltage (Gain=0dB)
DAC
Headphone Amplifier Output@32Ω Load
-
1.2
-
1.1
Dynamic Range with –60dB Signal (A-Weight)
ADC
DAC
Headphone Amplifier Output@32Ω Load
-
90
92
95
-
93
THD+N with –3dB Signal (No A-Weight)
ADC from Port-C and Port-F
-
-84
ADC from Other Port Except Port-C and Port-F
-
-85
DAC to All Port
-
-84
Headphone Amplifier Output@32Ω Load
-
-75
Magnitude Response (10KΩ 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
-
Power Supply Rejection (Measured at 1kHz Point)
-
-72
Amplifier Gain Step
-
1.0
Channel Separation (Crosstalk)
-
-80
Input Impedance (Gain=0dB)
-
64
Output Impedance
Amplified Output
Non-Amplified Output
-
2
-
200
Digital Power Supply Current (Normal/DVD-Audio)
-
DVDD=3.3V
12/28
Digital Power Supply Current (D2)
DVDD=3.3V
-
-
Analog Power Supply Current (Normal Operation)
-
48
AVDD=5.0V
Analog Power Supply Current (D2)
AVDD=5.0V
-
530
VREFOUTx Output Voltage
-
0.5×LDO-OUT1
VREFOUTx Output Current
-
5
Max
-
-
-
-
97
-
-
-
-
-
21,792
43,584
87,168
19,200
38,400
76,800
-
-
-
-
-
-
-
1100
-
-
0.8×LOD-OUT1
-
Units
Vrms
Vrms
Vrms
dB FSA
dB FSA
dB FSA
dB FS
dB FS
dB FS
dB FS
Hz
Hz
Hz
Hz
Hz
Hz
dB
dB
dB
KΩ
Ω
Ω
mA
µA
mA
µA
V
mA
7.1+2 Channel HD Audio Codec with Content Protection 74
Track ID: JATR-2265-11 Rev. 1.3
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