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The FMS6346 Low Cost Video Filter (LCVF) is intended to replace passive LC filters and drivers with a low-cost integrated device. Six sixth-order Butterworth filters provide improved image quality compared to typical passive solutions. The combination of low-power Standard-Definition (SD) and High-Definition (HD) filters greatly simplify DVD video output circuitry. Three channels offer fixed SD filters, while the other three are select able between SD and HD filters.
The FMS6346 offers a fixed gain of 6dB. The FMS6346 may be directly driven by a DC-coupled DAC out put 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 (150W) video loads. DC-coupling the outputs removes the need for output coupling capacitors. The input DC levels are offset approximately +280mV at the output.
FMS6346 Maximum Ratings
Product
Product status
Eco Status
Pricing*
Package type
Leads
Packing method
Package Drawing
Package Marking Convention**
FMS6346MTC20
Not recommended for new designs
RoHS Compliant
N/A
TSSOP
20
RAIL
Line 1:$Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 6346 Line 3: MTC20
FMS6346MTC20X
Full Production
RoHS Compliant
$1.03
TSSOP
20
TAPE REEL
Line 1:$Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 6346 Line 3: MTC20
* Fairchild 1,000 piece Budgetary Pricing
** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples
Package marking information for product FMS6346 is available. Click here for more information .
FMS6346 Features
Three selectable sixth-order 8/32MHz (SD/HD) filters Three fixed sixth-order 8MHz (SD) filters Transparent input clamping Single video load drive (2Vpp, 150, 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
FMS6346 Typical Application
Cable and Satellite set top boxes DVD players HDTV Personal Video Recorders (PVR) Video On Demand (VOD)