LM1279N National Semiconductor, LM1279N Datasheet
LM1279N
Specifications of LM1279N
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LM1279N Summary of contents
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... Ideal combination with LM2407 CRT driver Applications n High resolution RGB CRT monitors n Video AGC amplifiers n Wideband amplifiers with contrast and drive controls n Interface amplifiers for LCD or CCD systems @ −3dB (4 FIGURE 1. Order Number LM1279N See NS Package Number N20A September 1998 DS100091-1 www.national.com ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Pins 2 and 16 (Note 3) Peak Video Output Source Current (Any One Amp) Pins 13, 15 Voltage at Any Input Pin ( Power Dissipation (P ...
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AC Electical Characteristics T = 25˚ 8V. Manually adjust Video Output pins 13, 15, and for the AC test unless otherwise A CC1 CC2 stated. (Note 15) Symbol Parameter A Contrast Attenuation ...
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Timing Diagrams www.national.com DS100091-2 FIGURE 2. OSD Rise and Fall Times DS100091-3 FIGURE 3. OSD Propagation Delays FIGURE 4. Sandcastle Sync Pulse 4 DS100091-4 ...
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Test Circuits **Note: All video inputs must have a series 30 resistor for protection against EOS (Electrical Over Stress). If the OSD signals are external to the monitor, or these signals are present any time when +8V is not fully ...
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Pin Descriptions Pin Pin No. Name 1 Red OSD Input 19 Blue OSD Input 20 Green OSD Input 2 V CC1 3 Red Video In 5 Green Video In 8 Blue Video In 4 Red Clamp Cap 7 Green Clamp ...
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Pin Descriptions (Continued) Pin Pin No. Name 16 V CC2 ESD and Arc-Over Protection The ESD cells of the LM1279 are improved over the ESD cells used in typical video pre-amps. The monitor designer must still use good PC board ...
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Functional Description channel has its own independent control pin with the control range. An input of 4V give no attenuation, and an input of 0V gives the full 12 dB attenuation. The output of the drive attenuator ...
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... Figure 8 and Figure 9 . References Ott, Henry W. Noise Reduction Techniques in Electronic Systems , John Wiley & Sons, New York, 1976 Zahid Rahim, “Guide to CRT Video Design,” Application Note 861, National Semiconductor Corp., Jan. 1993 9 P-P Blk. Level Shift P-P ...
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Applications of the LM1279 FIGURE 7. LM1279 OSD Video Pre-Åmp Demontration Board Layout FIGURE 8. LM1279 Rise Time www.national.com DS100091-16 FIGURE 9. LM1279 Fall Time 10 DS100091-13 DS100091-17 ...
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Applications of the LM1279 (Continued) 11 www.national.com ...
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Applications of the LM1279 FIGURE 11. LM1279/LM2407 Demonstration Neck Board Layout www.national.com (Continued) 12 DS100091-15 ...
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... Italiano National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. Order Number LM1279N NS Package Number N20A 2. A critical component in any component of a life support ...