alc272 Realtek Semiconductor Corporation, alc272 Datasheet - Page 73

• Manufacturer Part Number: alc272
• Description: 4 Channel High Definition Audio Codec
• Manufacturer: Realtek Semiconductor Corporation

9.
9.1. DC Characteristics
9.1.1.
9.1.2.
DVDD=3.3V±5%, T
4 Channel High Definition Audio Codec
Parameter
Power Supply
Ambient Operating Temperature
Storage Temperature
All Pins
*: The digital link power DVDD-IO must be lower than the digital core power DVDD.
**: The standard testing condition before shipping is AVDD = 5.0V unless specified. Customers designing with a different
AVDD should contact Realtek technical support representatives for special testing support.
Parameter
Input Voltage Range
Low Level Input Voltage (HDA Link)
High Level Input Voltage (HDA Link)
Low Level Input Voltage (SPDIF-OUT)
High Level Input Voltage (SPDIF-OUT)
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 HDA Link
Analog
Electrical Characteristics
Absolute Maximum Ratings
Threshold Voltage
ambient
=25°C, with 50pF external load.
Table 79. Absolute Maximum Ratings
DVDD-IO*
AVDD**
Symbol
DVDD
Ta
Ts
Table 80. Threshold Voltage
ESD (Electrostatic Discharge)
Symbol
V
V
V
V
V
V
V
-
-
-
-
OH
OL
IH
IH
IL
IL
in
Minimum
0.56*DVDD (1.85)
0.65*DVDDIO
65
2.7
1.5
3.0
0
0.9*DVDD
-
Minimum
-0.30
-10
-10
-
-
-
-
-
Susceptibility Voltage
Pass 3500V
Typical
3.3
3.3
5.0
-
-
Typical
50k
5
-
-
-
-
-
-
-
-
-
Track ID: JATR-1076-21
0.44*DVDD (1.45)
Maximum
0.30*DVDDIO
+125
DVDD+0.30
+70
3.6
3.6
5.5
0.1*DVDD
Maximum
100k
10
10
-
-
-
-
Datasheet
Units
ALC272
o
o
V
V
V
C
C
Units
mA
µA
µA
Rev. 1.0
V
V
Ω
V
V
V
V
V