STMicroelectronics TSH346
The TSH346 is a triple single-supply video buffer featuring an internal gain of 6 dB and a 36 MHz filtering for HD video outputs on 75-Ω video lines. The TSH346 is ideal to drive either YUV, YPbPr or RGB signals from video DAC outputs. The main advantage of this circuit is that its input DC level shifter allows for video signals on 75-Ω video lines without damaging the synchronization tip of the video signal, and with no input capacitor, while using a single 5 V power supply.| Part No. | TSH346 |
|---|---|
| Datasheet | TSH346 Download |
| Manufacturer |  STMicroelectronics |
| Description | Triple video buffer/filter for HD video applications |
| Buy | Stock & Price |
FEATURES
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● 6th order filtering of 36 MHz 5 V single-supply operation Internal input DC level shifter No input capacitor required Three matched 6 dB amplifiers AC or DC output-coupled Very low harmonic distortion Specified for 150 Ω loads Minimum and maximum data is tested during production R in 1 Pin1 identification SO-8 (plastic package) Top View 36MHz LPF + + + 6dB 8 R out
APPLICATIONS
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● G in 2 36MHz LPF 6dB 7 G out High-end video systems High definition TV (HDTV) Broadcast and graphic video Multimedia products +VCC 4 B in 3 36MHz LPF 6dB 6 B out DC Shifter 5 GND
DESCRIPTION
The DC level shifter is internally fixed and optimized to keep the output video signals between low and high output rails. This level is as low as possible to minimize the output DC level in the video line. The TSH346 is available in an SO-8 plastic package for optimum space saving. December 2008 Rev 2 1/18 18 Absolute maximum ratings and operating conditions TSH346 1 Table 1. Symbol VCC Vin Toper Tstd Tj Rthjc Rthja Pmax.
