データシートサーチシステム |
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LM1044 データシート(PDF) 8 Page - National Semiconductor (TI) |
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LM1044 データシート(HTML) 8 Page - National Semiconductor (TI) |
8 / 10 page Application Notes (Continued) TLH9252 – 5 FIGURE 3 LM1044 Application Circuit Showing System Interfacing and LM1038 OPERATION WITH SPLIT SUPPLIES The LM1044 may be operated with split supplies with due regard to the maximum supply voltage (16V) and output sig- nal range An example of operation in this way is illustrated below With g5V and pin 14 held at 0V the RGB outputs can swing a2V b15V and the CV and Sync output can swing a13V b13V Similarly with a10V b5V supplies pin 14 to 0V RGB output swings of a55V b15V and CV Sync swings of a45V and b15V can be obtained This supply configuration has the advantage that pin 14 can be grounded and all signals may be DC coupled avoiding the need for coupling capacitors Offsets introduced are typical- ly b30 mV for CV and RGB channels and b140 mV for Sync channels OTHER APPLICATIONS The LM1044 can be used in other than the standard CV with RGB circuit and an example is given below of a dual 6 input to 1 output multiplexer for video or indeed any kind of sig- nals up to 2 Vp-p In this particular example the RGB outputs are cross-coupled into the CV inputs of the other channel to complete the multiplexing down to 2 outputs The clamp circuits are disabled to allow direct drive on the inputs Such circuits are ideal for security cameras and other multiple video source monitoring systems 8 |
同様の部品番号 - LM1044 |
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同様の説明 - LM1044 |
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