alc880 Realtek Semiconductor Corporation, alc880 Datasheet - Page 80

• Manufacturer Part Number: alc880
• Description: 7.1 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

9.3. Analog Performance
7.1 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
Amplified Output
Non-amplified Output
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
All Inputs (gain=0dB)
All ADC
All DAC
Analog Inputs to Outputs
All ADC
All DAC
Analog Inputs to Outputs
ADC
All DAC
Mixers
ADC, DAC
DVDD=3.3V
DVDD=3.3V
AVDD=5.0V/3.3V
AVDD=5.0V/3.3V
• T
• 1kHz input sine wave; Sampling frequency=48kHz; 0dB=1Vrms
• 10KΩ/50pF load; Test bench Characterization BW: 10Hz~22kHz,
0dB attenuation
Table 83. Analog Performance
ambient
=25
o
C, DVDD= 3.3V ±5%, AVDD=5.0V±5%
70
Min
2.25
10
16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
68/52
2.50
Typ
100
-90
-80
-86
-40
-60
-80
1.5
1.1
1.1
95
88
95
64
35
1
5
1
-
-
-
-
Track ID: JATR-1076-21
600/400
22,000
19,200
Max
3.75
100
600
1.4
-
-
-
-
-
-
-
-
-
-
-
-
ALC880 Series
Datasheet
dB FSA
dB FSA
dB FSA
dB FS
dB FS
dB FS
Units
Vrms
Vrms
Vrms
KΩ
mA
mA
mA
µA
µA
Hz
Hz
dB
dB
dB
dB
Ω
Ω
V
Rev. 1.4