參數(shù)資料
型號(hào): CH7004C
廠商: Electronic Theatre Controls, Inc.
英文描述: Digital PC to TV Encoder with Macrovision
中文描述: 數(shù)碼電腦電視編碼器和通過Macrovision
文件頁數(shù): 49/51頁
文件大小: 336K
代理商: CH7004C
CHRONTEL
CH7004C
201-0000-024 Rev 2.1, 8/2/99
49
Note:
As applied to
Tables 32, 33 and 34
, Recommended Operating Conditions are used as test conditions unless otherwise specified.
External voltage reference used with RSET = 360
, VREF = 1.235V, and NTSC CCIR601 operation.
Electrical Specifications (Continued)
Table 32.Recommended Operating Conditions
Symbol
V
DD
AVDD
DVDD
R
L
Description
Min
4.75
Typ
5.00
5.00
3.3
37.5
Max
5.25
5.25
3.6
Units
V
DAC power supply voltage
Analog supply voltage
Digital supply voltage
Output load to DAC outputs
Table 33. Electrical Characteristics (Operating Conditions: T
A
= 0
o
C - 70
o
C, V
DD
= 5V ± 5%)
Symbol
Description
Min
9
Typ
9
33.89
Max
9
Unit
Bits
mA
%
mA
Video D/A resolution
Full scale output current
Video level error
VDD & AVDD current (5.V)(Simultaneous
S-Video & composite outputs)
DVDD current (3.3V)
10
105
40
mA
Table 34. Timing - TV Encoder
Symbol
t
P1
t
PH1
tdc1
t
P2
t
PH2
tdc2
t
P3
t
PH3
tdc3
Description
Min
Typ
Max
Unit
Pixel Clock Period
Pixel Clock High Time
Pixel Clock Duty Cycle (t
PH1
/t
P1
)
Pixel Clock Period
Pixel Clock High Time
Pixel Clock Duty Cycle (t
PH2
/t
P2
)
Pixel Clock Period
Pixel Clock High Time
Pixel Clock Duty Cycle (t
PH3
/t
P3
)
20
8
40
10
50
25
60
25
nS
nS
%
nS
nS
%
nS
nS
%
50
40
10
50
60
17
40
50
60
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