FMS6400

更新时间： 2024-09-16 21:54:43

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		驱动器
页数	文件大小	规格书
8页	80K
描述
Dual Channel Video Drivers with Integrated Filters and Composite Video Summer

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FMS6400 数据手册

September 2005

FMS6400

Dual Channel Video Drivers with Integrated Filters and

Composite Video Summer

Features

Description

■ 7.1 MHz 5th order Y,C filters with composite summer

The FMS6400 is a dual Y/C 5th order Butterworth lowpass

video filter optimized for minimum overshoot and flat group

delay. The device also contains a summing circuit to generate

filtered composite video. In a typical application, the Y and C

input signals from DACs are AC coupled into the filters. Both

channels have DC restore circuitry to clamp the DC input levels

during video sync. The Y and C channels use separate feed-

back clamps. The clamp pulse is derived from the Y channel.

■ Selectable for 0dB or 6dB gain

■ 50dB stopband attenuation at 27MHz on Y, C and CV outputs

■ Better than 0.1 dB flatness to 4.5MHz on Y,C and CV outputs

■ No external frequency selection components or clocks

■ < 5ns group delay deviation on Y, C and CV outputs

■ AC-Coupled Inputs

■ AC or DC-Coupled Outputs

All outputs are capable of driving 2V_pp, AC or DC coupled, into

either a single or dual video load. A single video load consists of

a series 75Ω impedance matching resistor connected to a ter-

minated 75Ω line. This presents a total of 150Ω of loading to the

part. A dual load would be two of these in parallel which would

present a total of 75Ω to the part. The gain of the Y, C and CV

signals can be selected for 0dB or 6dB with 1V_ppinput levels. All

video channels are clamped during sync to establish the appro-

priate output voltage reference levels.

■ Capable of PAL frequency selection components or clocks

■ 0.3% / 0.2° differential gain/phase on Y,C and CV channels

■ Integrated DC restore circuitry with low tilt

■ Lead (Pb) Free SOIC-8 Package

Applications

■ Cable and Satellite set top boxes

The FMS6400 typical cutoff frequency is 7.1MHz. Option for a

lower cutoff frequency of 5MHz is available. Please refer to the

FMS6400-1 datasheet for further information.

■ DVD players

■ Personal Video Recorders (PVR)

■ Video On Demand (VOD)

Block Diagrams

VCC

Sync Strip

Reference and

Timing

0 or

6dB

YIN

YOUT

250mV

CVOUT

250mV

0 or

6dB

CIN

COUT

GND

ASEL

FMS6400 Rev. 1A

www.fairchildsemi.com

12 3 4 5 6 7 8

中文翻译

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与FMS6400相关器件

型号	品牌	获取价格	描述	数据表
FMS6400-1	FAIRCHILD	获取价格	Dual Channel Video Drivers with Integrated Filters and Composite Video Summer
FMS6400CS	FAIRCHILD	获取价格	Dual Channel Video Drivers with Integrated Filters and Composite Video Summer
FMS6400CS1	FAIRCHILD	获取价格	Dual Channel Video Drivers with Integrated Filters and Composite Video Summer
FMS6400CS1X	FAIRCHILD	获取价格	Dual Channel Video Drivers with Integrated Filters and Composite Video Summer
FMS6400CSX	FAIRCHILD	获取价格	Dual Channel Video Drivers with Integrated Filters and Composite Video Summer
FMS6403	FAIRCHILD	获取价格	Triple Video Drivers w/Selectable HD/Progressive/SD/ Bypass Filters for RGB and YPbPr Sign
FMS6403_05	FAIRCHILD	获取价格	Triple Video Drivers with Selectable HD/PS/SD/ Bypass Filters for RGB and YPbPr Signals
FMS6403_08	FAIRCHILD	获取价格	Triple Video Drivers with Selectable HD/PS/SD Bypass Filters for RGB and YPbPr Signals
FMS6403MTC20	FAIRCHILD	获取价格	Triple Video Drivers w/Selectable HD/Progressive/SD/ Bypass Filters for RGB and YPbPr Sign
FMS6403MTC20_NL	FAIRCHILD	获取价格	Triple Video Drivers with Selectable HD/PS/SD/ Bypass Filters for RGB and YPbPr Signals

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