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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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LM1282 Arkusz danych(PDF) 1 Page - National Semiconductor (TI) |
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LM1282 Arkusz danych(HTML) 1 Page - National Semiconductor (TI) |
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1 / 14 page  LM1282 110 MHz RGB Video Amplifier System with On Screen Display (OSD) General Description The LM1282 is a full feature video amplifier with OSD inputs, all within a 28-pin package. This part is intended for use in monitors with resolutions up to 1280 x 1024. The video sec- tion of the LM1282 features three matched video amplifiers with blanking. All of the video amplifier adjustments feature high input impedance 0V to 4V DC controls, providing easy interfacing to bus controlled alignment systems. The OSD section features three TTL inputs and a DC contrast control. The switching between the OSD and video section is con- trolled by a single TTL input. Although the OSD signals are TTL inputs, these signals are internally processed to match the OSD logic low level to the video black level. When ad- justing the drive controls for color balance of the video sig- nal, the color balance of the OSD display will track these color adjustments. The LM1282 also features an internal spot killer circuit to protect the CRT when the monitor is turned off. For applications without OSD insertion please re- fer to the LM1205 or LM1208 data sheets. Features n Three wideband video amplifiers 110 MHz @ −3 dB (4 V PP output) n TTL OSD inputs, 50 MHz bandwidth n On chip blanking, outputs under 0.1 V when blanked n High speed Video/OSD switch n Independent drive control for each channel for color balance n 0V to 4V, high impedance DC contrast control with over 40 dB range n 0V to 4V, high impedance DC drive control (0 dB to −12 dB range) n 0V to 4V, high impedance DC OSD contrast control with over 40 dB range n Capable of 7 VPP output swing (slight reduction in bandwidth) n Output stage directly drives most hybrid or discrete CRT drivers Applications n High resolution RGB CRT monitors requiring OSD capability Block and Connection Diagram DS012519-1 FIGURE 1. Order Number LM1282N See NS Package Number N28B June 1998 © 1998 National Semiconductor Corporation DS012519 www.national.com |
Podobny numer części - LM1282 |
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Podobny opis - LM1282 |
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