alc268 Realtek Semiconductor Corporation, alc268 Datasheet - Page 67

• Manufacturer Part Number: alc268
• Description: 2+2 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

9.
9.1. DC Characteristics
9.1.1.
9.1.2.
DVDD-IO=3.3V±5%, T
2+2 Channel High Definition Audio Codec
Parameter
Power Supplies
Ambient Operating Temperature
Storage Temperature
All Pin
Note: DVDD-IO must be lower than DVDD.
If customers have lower AVDD(=3.0V) request, please contact Realtek sales representatives or agents.
Parameter
Input Voltage Range
Low Level Input Voltage
(BCLK, RST#, SDO, SYNC, SDI)
High Level Input Voltage
(BCLK, RST#, SDO, SYNC, SDI)
Low Level Input Voltage
(S/PDIF-OUT, GPIOs)
High Level Input Voltage
(S/PDIF-OUT, GPIOs)
High Level Output Voltage
Low Level Output Voltage
Input Leakage Current
Output Leakage Current (Hi-Z)
Output Buffer Drive Current
Internal Pull Up Resistance
Digital Power for Core
Digital Power for Link
Analog Power
Electrical Characteristics
Absolute Maximum Ratings
Threshold Voltage
ambient
=25°C, with 50pF external load.
AVDD1, AVDD2
Table 74. Absolute Maximum Ratings
DVDD-IO
Symbol
DVDD
Table 75. Threshold Voltage
Symbol
ESD (Electrostatic Discharge)
Ta
Ts
V
V
V
V
V
V
V
-
-
-
-
OH
OL
IL
IH
IL
IH
in
0.65*DVDDIO
0.56*DVDD
0.9*DVDD
Minimum
59
Minimum
-0.30
-10
-10
-
-
-
-
3.0
1.5
3.0
-
0
-
Susceptibility Voltage
4000V
Typical
Typical
50k
3.3
3.3
3.3
5
-
-
-
-
-
-
-
-
-
-
-
Track ID: JATR-1076-21
0.30*DVDDIO
Maximum
DVDD+0.30
0.44*DVDD
0.1*DVDD
Maximum
+125
+70
3.6
3.6
5.5
10
10
-
-
-
-
-
ALC268 Series
Datasheet
Units
o
o
Units
V
V
V
C
C
mA
µA
µA
V
V
V
V
V
V
V
Ω
Rev. 1.3