參數(shù)資料
型號: TVP3409-135
廠商: Texas Instruments, Inc.
英文描述: Advanced Video Interface PALETTE(雙PLL,視頻接口調色器真彩色CMOS)
中文描述: 先進的視頻接口盒(雙鎖相環(huán),視頻接口調色器真彩色的CMOS)
文件頁數(shù): 47/57頁
文件大?。?/td> 312K
代理商: TVP3409-135
A–3
RAMDAC
Video
Connector
Graphics
Controller
Video Ground
Return Path
GND Terminal
Possible Ground Current Return Path
GND Layer
Figure A–2. Video Ground Return Current Path
Clock Synthesizer
The clock synthesizer should be connected to its own power and ground. The supply for the synthesizer
must be quiet to reduce clock jitter. A 5.1 V zener diode can be used on the V
CCS
input (terminal 50) to ensure
a quiet voltage source. The analog PLL clock multiplier terminal (V
CCM
) can also be connected to the same
circuit (see Figure A–4).
DAC Outputs
The TVP3409 analog outputs should be protected against high-energy discharges, such as those from
monitor arc-over or from hot-switching ac coupled monitors.
The diode protection circuit shown in Figure A–3 can prevent latch-up under severe discharge conditions
without adversely degrading analog transition times. The 1N4148/9 are low-capacitance, fast-switching
diodes.
VCC
COMP
REF
GND
RSET
RED
GREEN
BLUE
RSET
R4
Z1
R1
R2
R3
D4
D5
D6
D1
D2
D3
VCC
Video Ground Return
Point of Ground Entry
Optional External Vref
0.1
μ
F
0.1
μ
F
Figure A–3. Internal and External Voltage Reference Typical Connection Diagram
相關PDF資料
PDF描述
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相關代理商/技術參數(shù)
參數(shù)描述
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