CMI-8738 Datasheet, PDF (5/28 Pages) C-Media Electronics – C3DX PCI-Based HRTF 3D Extension Positional Audio Chip

Ver. 1.2
CMI-8738/PCI-SX AUDIO Specification
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings
Ratings
Digital power voltage
Symbol
VDD
Analog power voltage
AVDD
Operating temperature range TO
Storage temperature range
TST
Maximum power dissipation PDMAX
Value
VDD±5%
AVDD±5%
0 to 70
-40 to 125
300
Units
V
V
°C
°C
MW
Digital Characteristics
PARAMETER
Input high voltage(PCI I/O)
Input low voltage (PCI I/O)
Output high voltage
Output low voltage
Output buffer current
Audio Characteristics
PARAMETER
Analog input voltage
Analog output voltage
A-A S/N ratio
A-A THD
ADC S/N ratio
ADC THD
DAC S/N ratio
DAC THD
Microphone input level
Microphone booster
Symbol Min
VIH
2.
VIL
-0.5
VOH
2.4
VOL
0.0
Symbol Min
Avin
Avout
20
Typ
Max
Unit
VDD+0.5 V
0.8
V
VDD
V
0.2
0.4
V
5
mA
Typ
Max
1.1
1.1
85
0.09
80
0.1
0.2
80
0.1
0.2
200
20
Unit
VRms
VRms
db
db
%
db
%
mv
db
C-MEDIA ELECTRONICS INC. Tel:[phone] Fax:[phone] URL : www.cmedia.com.tw
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