CMI8768 Datasheet, PDF (13/17 Pages) C-Media Electronics – PCI 8CH Integrated Sound Chip

6. Electrical Characteristics
PCI 8CH Integrated Sound Chip
CMI8768 Datasheet Rev 0.9
6.1 Maximum Ratings
Parameter
Digital power voltage
Analog power voltage
Digital Input Voltage
Analog Input Voltage
Operating temperature range
Storage temperature range
Maximum power dissipation
Symbol
DVDD
AVDD
VIND
VINA
TO
TST
PDMAX
Min.
3
3
-0.5
-0.5
0
-40
Max.
3.6
5.5
3.6
5.5
70
125
300
Unit
V
V
V
V
°C
°C
MW
6.2 Recommended Operating Conditions
Parameter
Digital Operating Voltage
Analog Operating voltage
Operating Ambient Temperature
Symbol
DVDD
AVDD
TO
Min.
3.135
4.75
0
Typ.
3.3
5
25
Max.
3.465
5.25
70
Unit
V
V
°C
6.3 Power Consumption
Parameter
Power Supply Current (Normal)
AVDD (5.0V)
DVDD (3.3V)
Min.
-
-
Typ.
35
10
Max. Unit
-
mA
-
mA
6.4 Digital Characteristics
PARAMETER
Input high voltage(PCI I/O)
Input low voltage (PCI I/O)
Output high voltage
Output low voltage
Input Leakage Current
Output Leakage Current
SPDIF IN input high voltage
SPDIF IN input low voltage
SPDIF output high voltage
SPDIF output low voltage
Symbol
VIH
VIL
VOH
VOL
IIL
IOL
VIH1
VIL1
VOH1
VOL1
Condition
I_OH=1.5mA
I_OL=-0.5mA
0<Vin<VDD
Min.
2.0
-0.5
2.4
0.0
-70
-70
2.6
-
-
-
Typ.
-
-
-
0.2
-
-
-
-
VDD
GND
Max.
VDD+0.3
0.8
VDD
0.4
70
70
-
2.4
-
-
Unit
V
V
V
V
μA
μA
V
V
V
V
Copyright 2003-2004 © C-Media Electronics Inc.
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