參數(shù)資料
型號: TVP3010C
廠商: Texas Instruments, Inc.
英文描述: Video Interface Palette
中文描述: 視頻接口面板
文件頁數(shù): 83/90頁
文件大小: 491K
代理商: TVP3010C
A–3
TVP3010
C3
C1
C4
C2
R1
D1
R2
C5
C12
C9
C6
R3
R4
R5
C11
+
L1
C7
C8
C10
Edge of Board
DB15 or DB9
Connector
Analog Power
Digital Power
P1
Figure A–2.
Typical Component Placement With Split-Power Plane
COMP and REF Terminals
A 0.1-
μ
F ceramic capacitor should be connected between AV
DD
and COMP to avoid noise and
color-smearing problems. A 0.1-
μ
F ceramic capacitor is also recommended between GND and REF to
further stabilize the output image. This 0.1-
μ
F capacitor is needed for either internal or external voltage
references. These capacitor values may depend on the board layout; experimentation may be required in
order to determine optimum values.
Analog-Output Protection
The VIP analog output 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–1 can prevent latch-up under severe discharge conditions
without adversely degrading analog transition times. The IN4148/9 parts are low-capacitance,
fast-switching diodes, which are also available in multiple-device packages (FSA250X or FSA270X) or
surface-mountable pairs (BAV99 or MMBD7001).
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