National Semiconductor LM2421
The LM2421 is an integrated high voltage CRT driver circuit designed for use in HDTV applications. The IC contains three high input impedance, wide band amplifiers which directly drive the RGB cathodes of a CRT. Each channel has its gain internally set to −42 and can drive CRT capacitive loads as well as resistive loads present in other applications, limited only by the package’s power dissipation.| Part No. | LM2421 |
|---|---|
| Datasheet | LM2421 Download |
| Manufacturer |  National Semiconductor |
| Description | Monolithic Triple Channel HDTV Driver |
| Buy | Stock & Price |
GENERAL DESCRIPTION
The IC is packaged in an industry standard 11-lead TO-220 molded plastic power package. See Thermal Considerations section.FEATURES
n 0V to 5V input range n Stable with 0–20 pF capacitive loads and inductive peaking networks n Convenient TO-220 staggered lead package style n Maintains standard LM240X Family pinout which is designed for easy PCB layoutAPPLICATIONS
n AC coupled HDTV applications using the 1080i and 720p formats as well as standard NTSC and PA
