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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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TSH343ID Fiches technique(PDF) 1 Page - STMicroelectronics |
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TSH343ID Fiches technique(HTML) 1 Page - STMicroelectronics |
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1 / 14 page  January 2006 Rev. 2 1/14 14 TSH343 280MHz Single-Supply Triple Video Buffer ■ Bandwidth: 280MHz ■ 5V single-supply operation ■ Internal input DC level shifter ■ No input capacitor required ■ Internal gain of 6dB for a matching between 3 channels ■ Very low harmonic distortion ■ Slew rate: 780V/ µs ■ Specified for 150 Ω and 100Ω loads ■ Tested on 5V power supply ■ Data min. and max. are tested during production Description The TSH343 is a triple single-supply video buffer featuring an internal gain of 6dB and a large bandwidth of 280MHz. The main advantage of this circuit is that its input DC level shifter allows for video signals on 75 Ω video lines without damage to the synchronization tip of the video signal, while using a single 5V power supply with no input capacitor. The DC level shifter is internally fixed and optimized to keep the output video signals between low and high output rails in the best position for the greatest linearity. Chapter 4 of this datasheet gives technical support when using the TSH343 as Y-Pb-Pr driver for video DAC output on a video line (see TSH344 for RGB signals). The TSH343 is available in the compact SO8 plastic package for optimum space-saving. Pin Connections (top view) Applications ■ High-end video systems ■ High Definition TV (HDTV) ■ Broadcast and graphic video ■ Multimedia products Order Codes Top View OUT2 1 IN2 OUT1 +Vcc 2 3 7 8 OUT3 IN1 4 6 IN3 GND SO8 Pin1 identification 5 DC Shifter 6dB 6dB 6dB Part Number Temperature Range Package Packing Marking TSH343ID -40°C to +85°C SO-8 Tube TSH343I TSH343IDT Tape & Reel TSH343I www.st.com |
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