FMS6243 Datasheet, PDF (1/10 Pages) Fairchild Semiconductor – Low-Cost, 3-Channel, SD Video Filter Drivers with External Delay Control

FMS6243
Low-Cost, 3-Channel, SD Video Filter Drivers with
External Delay Control
March 2007
Features
■ Three Fourth-Order 8MHz (SD) Filters
■ External Delay Control
■ Transparent Input Clamping
■ Dual-Video Load Drive (2Vpp, 75Ω)
■ AC- or DC-Coupled Inputs
■ AC- or DC-Coupled Outputs
■ DC-Coupled Outputs Eliminate AC-Coupling
Capacitors
■ 5V Only
■ Lead-Free Package: TSSOP-14
Applications
■ Cable Set-Top Boxes
■ Satellite Set-Top Boxes
■ DVD Players
■ HDTV
■ Personal Video Recorders (PVR)
■ Video On Demand (VOD)
Description
The FMS6243 Low-Cost Video Filter (LCVF) is intended
to replace passive LC filters and drivers with a low-cost
integrated device. Three fourth-order filters provide
improved image quality compared to typical second- or
third-order passive solutions.
The FMS6243 can be directly driven by a DC-coupled
DAC output or an AC-coupled signal. Internal diode
clamps and bias circuitry can be used if AC-coupled
inputs are required (see the Applications section for
details).
Delay for each channel can be independently controlled
with an external capacitor.
The outputs can drive AC- or DC-coupled single (150Ω)
or dual (75Ω) loads. DC coupling the outputs removes
the need for output coupling capacitors. The input DC
levels are offset approximately +280mV at the output
(see the Applications section for details).
Ordering Information
Part Number
Package
FMS6243MTC14 14-Lead TSSOP, JEDEC MO-153, 4.4mm Wide
FMS6243MTC14X 14-Lead TSSOP, JEDEC MO-153, 4.4mm Wide
Pb-
Free
Yes
Yes
Operating
Temperature
Range Packing Method
-40°C to 85°C
Tube
-40°C to 85°C Tape and Reel
IN1
Del1
IN2
Del2
IN3
Del3
Transparent Clamp
2X
Transparent Clamp
2X
Transparent Clamp
2X
8MHz, 4th-order
Figure 1. Functional Block Diagram
© 2007 Fairchild Semiconductor Corporation
FMS6243 Rev. 1.0.0
OUT1
OUT2
OUT3
www.fairchildsemi.com