alc861 Realtek Semiconductor Corporation, alc861 Datasheet - Page 14

• Manufacturer Part Number: alc861
• Description: 7.1 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

6.3. Filter/Reference
6.4. Power/Ground
6.5. NC (Not Connected) Pins
7.1 Channel High Definition Audio Codec
Name
Name
Name
SIDESURR-
OUT-L
SIDESURR-
OUT-R
Sense A
Sense B
VREF
MIC1-VREFO-L
MIC2-VREFO
LINE2-VREFO
MIC1-
VREFO-R
JDREF
AVDD1
AVSS1
AVDD2
AVSS2
DVDD
DVSS
DVDD
DVSS
Symbol
NC
Type Pin No. Description
Type Pin No Description
Type
Type
O
O
I
I
I
I
I
I
I
I
I
I
O
O
O
O
-
-
Pin No.
45
46
13
34
38
25
26
42
1
4
9
7
27
28
30
31
32
40
2, 3, 29, 33, 37, 47
Side Surround output left
channel
Side Surround output right
channel
Jack Detect pin l
Jack Detect pin 2
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
Pin No
Description
Reference voltage
Bias voltage for MIC1 jack
Bias voltage for MIC2 jack
Bias voltage for LINE2 jack
Bias voltage for MIC1 jack
Reference resistor for Jack
detection
Table 5.
Table 3.
Table 4.
NC (Not Connected) Pins
Filter/Reference
Power/Ground
Description
Total: 6 Pins
Not Connected.
6
Characteristic Definition
Characteristic Definition
Analog output (JACK -H)
Analog output (JACK -H)
Jack resistor network input 1
Jack resistor network input 2
Total: 22 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
Typical 2.25V,10uf capacitor to analog ground
3.2V reference voltage
3.2V reference voltage
3.2V reference voltage
3.2V reference voltage
4.99K, 1% external resistor to analog ground
Total: 6 Pins
Track ID: JATR-1076-21
Datasheet
ALC861
Rev. 1.3