CH7004C Datasheet, PDF (49/51 Pages) List of Unclassifed Manufacturers – Digital PC to TV Encoder with Macrovision

CHRONTEL
CH7004C
Electrical Specifications (Continued)
Table 32.Recommended Operating Conditions
Symbol
V_DD
AVDD
DVDD
RL
Description
DAC power supply voltage
Analog supply voltage
Digital supply voltage
Output load to DAC outputs
Min
Typ
Max
Units
4.75
5.00
5.25
V
5.00
5.25
3.3
3.6
37.5
Ω
Table 33. Electrical Characteristics (Operating Conditions: TA = 0^oC - 70^oC, VDD = 5V ± 5%)
Symbol
Description
Min
Video D/A resolution
9
Full scale output current
Video level error
VDD & AVDD current (5.V)(Simultaneous
S-Video & composite outputs)
DVDD current (3.3V)
Typ
9
33.89
105
40
Max
9
10
Unit
Bits
mA
%
mA
mA
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 Ω, VREF = 1.235V, and NTSC CCIR601 operation.
Table 34. Timing - TV Encoder
Symbol
t_P1
t_PH1
tdc1
t_P2
t_PH2
tdc2
t_P3
t_PH3
tdc3
Description
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)
Min
20
8
40
10
40
10
40
Typ
50
50
50
Max
50
25
60
25
60
17
60
Unit
nS
nS
%
nS
nS
%
nS
nS
%
201-0000-024 Rev 2.1, 8/2/99
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