alc882 Realtek Semiconductor Corporation, alc882 Datasheet - Page 18

• Manufacturer Part Number: alc882
• Description: 7.1+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

6.3. Filter/Reference
6.4. Power/Ground
7.1+2 Channel High Definition Audio Codec
Name
Name
Name
CEN-OUT
LFE-OUT
SIDESURR-
OUT-L
SIDESURR-
OUT-R
Sense A
Sense B
DCVOL
VREF
MIC1-VREFO-L
LINE1-VREFO
MIC2-VREFO
LINE2-VREFO
MIC1-VREFO-R
(PIN32-VREFO)
LINE1-VREFO-R
(PIN37-VREFO)
JDREF
AVDD1
AVSS1
AVDD2
AVSS2
DVDD1
DVSS1
DVDD2
DVSS2
Type Pin No. Description
Type Pin No Description
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
Type Pin No. Description
O
O
O
O
O
O
-
-
43
45
46
13
34
33
38
44
25
26
42
1
4
9
7
27
28
29
30
31
32
37
40
Center output
Low Frequency output
Side Surround output left
channel
Side Surround output right
channel
Jack Detect pin l
Jack Detect pin 2
DC sense for volume
control
Analog VDD (5V or 3.3V)
Analog GND
Analog VDD (5V or 3.3V)
Analog GND
Digital VDD (3.3V)
Digital GND
Digital VDD (3.3V)
Digital GND
2.5V Reference voltage
Bias voltage for MIC1 jack
Bias voltage for LINE1 jack
Bias voltage for MIC2 jack
Bias voltage for LINE2 jack
Bias voltage for MIC1 jack or
software select specific jack
Bias voltage for LINE1 jack or
software select specific jack
Reference resistor for Jack
detection
Table 3.
Table 4.
Filter/Reference
Power/Ground
8
Characteristic Definition
Characteristic Definition
Analog output (JACK -G)
Analog output (JACK -G)
Analog output (JACK -H)
Analog output (JACK -H)
Jack resistor network input 1
Jack resistor network input 2
Analog DC input for external volume control
Total: 23 Pins
Analog power for mixer and amplifier
Analog ground for mixer and amplifier
Analog power for DACs and ADCs
Analog ground for DACs and ADCs
Digital power
Digital ground
Digital power
Digital ground
Total: 8 Pins
Characteristic Definition
10uf capacitor to analog ground
2.5V/3.75Vreference voltage
2.5V/3.75Vreference voltage
2.5V/3.75Vreference voltage
2.5V/3.75Vreference voltage
2.5V/3.75Vreference voltage
2.5V/3.75Vreference voltage
20K, 1% external resistor to analog ground
Total: 8 Pins
Track ID: JATR-1076-21
ALC882 Series
Datasheet
Rev. 1.5