參數(shù)資料
型號(hào): TVP3026-135
廠商: Texas Instruments, Inc.
英文描述: Video Interface PALETTE Exract(組合像素模式視頻接口調(diào)色器)
中文描述: 視頻接口調(diào)色板Exract(組合像素模式視頻接口調(diào)色器)
文件頁數(shù): 98/107頁
文件大?。?/td> 707K
代理商: TVP3026-135
D–2
COMP and REF Terminals
A 0.1-
μ
F ceramic capacitor should be connected between COMP1 and COMP2 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 TVP3026 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 D–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).
PLL Supply
A separate 5-V regulator is recommended for the PLL supply. A typical circuit is shown in Figure D–1.
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