FMS6144AMTC14X datasheet(2/15 Pages) ONSEMI

2 / 15 page

August 2011

www.fairchildsemi.com

FMS6144A • Rev. 1.0.2

FMS6144A

Four-Channel, 6th-Order SD VoltagePlus™ Video Filter Driver

Features

 Four-Channel 6th-Order 8MHz (SD) Filter

 Drives Single, AC- or DC-Coupled Video Loads

(150Ω)

 Transparent Input Clamping

 Supply Range: 3.3V to 5.0V

 AC- or DC-Coupled Inputs and Outputs

 Robust 9kV ESD Protection

 Lead-Free TSSOP 14-Pin Package

Applications

 Cable Set-Top Boxes

 Satellite Set-Top Boxes

 DVD Players

 HDTV

 Personal Video Recorders (PVR)

 Video On Demand (VOD)

Description

The FMS6144A VoltagePlus

™ video filter is intended to

replace passive LC filters and drivers with a cost-

effective integrated device. Four 6

th-order filters provide

improved image quality compared to typical 2

nd and 3rd

order passive solutions.

The FMS6144A 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 the Applications section

for details).

The outputs can drive AC- or DC-coupled single (150Ω)

or dual (75Ω) video loads. DC coupling the outputs

removes the need for large output coupling capacitors.

The input DC levels are offset approximately +280mV at

the output (see the Applications section for details).

Related Applications Notes

AN-6024 – FMS6xxx Product Series Understanding

Analog Video Signal Clamps, Bias, DC Restore, and AC

or DC coupling Methods

AN-6041 – PCB Layout Considerations for Video

Filter / Drivers

IN1

IN2

IN3

OUT1

OUT2

OUT3

IN4

OUT4

6dB

Transparent Clamp

6dB

Transparent Clamp

6dB

Transparent Clamp

6dB

Transparent Clamp

Figure 1.

Block Diagram

Ordering Information

Part Number

Operating Temperature Range

Package

Packing Method

FMS6144AMTC14X

-40°C to +85°C

14-Lead TSSOP

2500 per Reel

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