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LM2459TE Folha de dados(PDF) 1 Page - National Semiconductor (TI) |
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LM2459TE Folha de dados(HTML) 1 Page - National Semiconductor (TI) |
1 / 11 page LM2459 Monolithic Single Channel 15 MHz DTV CRT Driver General Description The LM2459 is a single channel high voltage CRT driver circuit designed for use in DTV applications. The IC contains a high input impedance, wide band amplifier which directly drives the cathode of a CRT. The amplifier has its gain internally set to −51 and can drive CRT capacitive loads as well as resistive loads present in other applications, limited only by the package’s power dissipation. The IC is packaged in a staggered 7-lead TO-220 molded plastic power package designed specifically to meet high voltage spacing requirements. See Thermal Considerations section. Features n 15MHz bandwith at 130V PP output swing n 0V to 4V input range n Greater than 130V PP output swing capability n Stable with 0–20 pF capacitive loads and inductive peaking networks n Transient response improvement option via pin 6 (EM) Applications n AC coupled DTV applications using the 480p format as well as standard NTSC and PAL formats. Connection Diagram Schematic Diagram 20067802 Note: Tab is at GND Top View Order Number LM2459TE FIGURE 1. Simplified Connection and Pinout Diagram 20067801 FIGURE 2. Simplified Schematic Diagram May 2004 © 2004 National Semiconductor Corporation DS200678 www.national.com |
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