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FMS6246

Fairchild Semiconductor
Part Number FMS6246
Manufacturer Fairchild Semiconductor
Description 6th Order SD/PS Video Filter Driver
Published May 4, 2007
Detailed Description FMS6246 Six Channel, 6th Order SD/PS Video Filter Driver July 2005 FMS6246 Six Channel, 6th Order SD/PS Video Filter D...
Datasheet PDF File FMS6246 PDF File

FMS6246
FMS6246

Overview
FMS6246 Six Channel, 6th Order SD/PS Video Filter Driver July 2005 FMS6246 Six Channel, 6th Order SD/PS Video Filter Driver Features ■ Three selectable sixth-order 8/15MHz (SD/PS) filters ■ Three fixed sixth-order 8MHz (SD) filters ■ Transparent input clamping ■ Single video load drive (2Vpp, 150Ω, AV = 6dB) ■ AC or DC-coupled inputs ■ AC or DC-coupled outputs ■ DC-coupled outputs eliminate AC-coupling capacitors ■ Low Power ■ 5V only ■ Robust (12kV HBM) output ESD protection ■ Lead (Pb) Free packages- TSSOP-20 Description The FMS6246 Low Cost Video Filter (LCVF) is intended to replace passive LC filters and drivers with a low-cost integrated device.
Six 6th order Butterworth filters provide improved image quality compared to typical passive solutions.
The combination of low power Standard Definition (SD) and Progressive Scan (PS) filters greatly simplify DVD video output circuitry.
Three channels offer fixed SD filters while the other three are selectable between SD and PS filters.
The FMS6246 offers a fixed gain of 6dB.
A metal option is available that provides a fixed gain of 9dB, offering even more flexibility.
The FMS6246 may be directly driven by a DC-coupled DAC output or an AC-coupled signal.
Internal diode clamps and bias circuitry may be used if AC-coupled inputs are required (see applications section for details).
The outputs can drive AC or DC-coupled single (150Ω) video loads.
DC-coupling the outputs removes the need for output coupling capacitors.
The input DC levels will be offset approximately +280mV at the output.
www.
DataSheet4U.
com Applications ■ Cable and Satellite set top boxes ■ DVD players ■ HDTV ■ Personal Video Recorders (PVR) ■ Video On Demand (VOD) Block Diagram SD IN1 Transparent Clamp 6dB SD OUT1 SD IN2 Transparent Clamp 6dB SD OUT2 SD IN3 Transparent Clamp 6dB SD OUT3 8MHz, 6th order SD/PS IN1 Transparent Clamp 6dB SD/PS OUT1 SD/PS IN2 Transparent Clamp 6dB SD/PS OUT2 SD/PS IN3 Transparent Clamp 6dB SD/PS O...


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