FMS6243 -- Low-Cost, 3-Channel, SD Video Filter Drivers with External Delay Control

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FMS6243 -- Low-Cost, 3-Channel, SD Video Filter Drivers with External Delay Control

March 2007

FMS6243
Low-Cost, 3-Channel, SD Video Filter Drivers with External Delay Control
Features
Three Fourth-Order 8MHz (SD) Filters External Delay Control Transparent Input Clamping Dual-Video Load Drive (2Vpp, 75) AC- or DC-Coupled Inputs AC- or DC-Coupled Outputs DC-Coupled Outputs Eliminate AC-Coupling

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 (150) or dual (75) 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).

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)

Ordering Information
PbFree
Yes Yes

Part Number
FMS6243MTC14

Package
14-Lead TSSOP, JEDEC MO-153, 4.4mm Wide

Operating Temperature Range Packing Method
-40 C to 85 C -40 C to 85 C Tube Tape and Reel

FMS6243MTC14X 14-Lead TSSOP, JEDEC MO-153, 4.4mm Wide

IN1 Del1 IN2 Del2 IN3 Del3

Transparent Clamp

2X

OUT1

Transparent Clamp

2X

OUT2

Transparent Clamp

2X

OUT3

8MHz, 4th-order
Figure 1. Functional Block Diagram

2007 Fairchild Semiconductor Corporation FMS6243 Rev. 1.0.0

www.fairchildsemi.com

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FMS6243 DATASHEET