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LM2450 Scheda tecnica(PDF) 1 Page - Texas Instruments |
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LM2450 Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 14 page VOUT1 VOUT2 VOUT3 VCC GND GND GND VBB VDAC3 VDAC2 VDAC1 VIN3 VIN2 VIN1 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 VCC VBB CRT DRIVER CH 2 X IK OBSOLETE 15A§LM2450 www.ti.com SNOSAN6D – SEPTEMBER 2005 – REVISED APRIL 2013 LM2450 220V Monolithic Triple Channel 7 MHz DC Coupled CRT DTV Driver Check for Samples: 15A§LM2450 1 FEATURES DESCRIPTION The LM2450 is a triple channel high voltage DC 2 • 7 MHz Bandwidth coupled CRT driver circuit designed for use in DTV • 100V Black Level Adjustment Range Using 0V applications. The IC contains three high input to 5V Input impedance, wide band amplifiers which directly drive • Current Output for IK Feedback Systems the RGB cathodes of a CRT. Each amplifier has a summing input where the DC level of the output is • Greater than 130VP-P Output Swing Capability controlled by a low voltage DC input voltage. • 0V to 5V Input Voltage Range Normally the DC input voltage is from a DAC. Each • Stable with 0 pF–20 pF Capacitive Loads and channel has its gain internally set to −54 and can Inductive Peaking Networks drive CRT capacitive loads as well as resistive loads present in other applications, limited only by the • Convenient TO-220 Staggered Thin Lead package's power dissipation. Package Style The IC is packaged in a 15-lead TO-220 molded plastic power package designed specifically to meet APPLICATIONS high voltage spacing requirements. See THERMAL • DC Coupled DTV Applications Using the 480p CONSIDERATIONS section. Format as well as Standard NTSC and PAL Formats. Connection Diagram Figure 1. TO-220 (Top View) See Package Number NDN 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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