ML6427

更新时间： 2024-11-30 22:46:11

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		驱动器
页数	文件大小	规格书
17页	168K
描述
75W Quad Video Cable Drivers and Filters with Switchable Inputs

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中文翻译

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数据手册

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ML6427 数据手册

August 1999

PRELIMINARY

ML6427

75W Quad Video Cable Drivers and Filters

with Switchable Inputs

GENERAL DESCRIPTION

FEATURES

The ML6427 is a quad 4 -order Butterworth lowpass

■ Cable drivers for Peritel (SCART), Enhanced Video

Connector (EVC), and standard video connectors, 75W

cable drivers for CV, S-video, and RGB

reconstruction filter plus quad video amplifier optimized

for minimum overshoot and flat group delay. Each filter

channel has a two-input multiplexer that switches between

two groups of quad video signals. Applications driving

SCART and EVC cables are supported for composite,

component, and RGB video.

■ 7.1MHz CV, RGB, and S-video, NTSC or PAL filters

with mux inputs and output channel mux

■ Quad reconstruction filter or dual anti-aliasing filter

■ 43dB stopband attenuation at 27MHz

■ 1dB flatness up to 4.8MHz

1V input signals from DACs are AC coupled into the

ML6427 where they are DC restored. Outputs are AC

P-P

coupled and drive 2V into a 150W load. The ML6427

P-P

can provide DC coupled outputs for certain applications.

A fifth unfiltered channel is provided to support an

additional analog composite video input. A swapping

multiplexer between the two composite channels allows

the distribution amplifiers to output from either input.

■ 12ns group delay flatness up to 10MHz

■ 0.4% differential gain, 0.4º differential phase on all

channels

Several ML6427s can be arranged in a master-slave

configuration where an external sync can be used for CV

and RGB outputs.

■ 0.4% total harmonic distortion on all channels

■ Master-slave configuration allows up to 8 multiplexed,

filtered output signals

BLOCK DIAGRAM

SWAP CVU

SWAP CVF

RGB

CCO

SYNCIN

UNFILTERED CHANNEL

TRANSCONDUCTANCE

ERROR AMP

SYNC

TIMER

SYNCIN

SYNCOUT

–

0.5V

1/Y

OUT

×2

SYNC

TIMER

SWAP

MUX

A/Y2*

B/Y3*

INF

REQUIRED

SYNC STRIP

OUT OUT

4th-ORDER

FILTER

MUX

TRANSCONDUCTANCE

ERROR AMP

–

A/Y4

B/Y5

0.5V

/Y C

OUT OUT

4th-ORDER

FILTER

×2

TRANSCONDUCTANCE

ERROR AMP

–

A/Y6

/Y D

OUT OUT

4th-ORDER

FILTER

B/Y2

TRANSCONDUCTANCE

ERROR AMP

–

A/C1

B/C2

0.5V

OUT OUT

4th-ORDER

FILTER

TRANSCONDUCTANCE

ERROR AMP

–

A/B MUX

0.75V

GNDO

GND

*CAN ALSO INPUT SYNC ON GREEN SIGNALS

12 3 4 5 6 7...17

中文翻译

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与ML6427相关器件

型号	品牌	获取价格	描述	数据表
ML-6427	CPI	获取价格	AM broadcast and industrial heating appli-cations
ML6427CS	MICRO-LINEAR	获取价格	75ヘ Quad Video Cable Drivers and Filters with
ML6427CS	FAIRCHILD	获取价格	75W Quad Video Cable Drivers and Filters with Switchable Inputs
ML6427CSX	FAIRCHILD	获取价格	Active Filter, 4 Func, Butterworth, Lowpass, PDSO24
ML6428	FAIRCHILD	获取价格	S-Video Filter and 75 з Line Drivers with Sum
ML6428	MICRO-LINEAR	获取价格	S-Video Filter and 75ヘ Line Drivers with Summ
ML6428CS1	FAIRCHILD	获取价格	S-Video Filter and 75 з Line Drivers with Sum
ML6428CS-1	MICRO-LINEAR	获取价格	S-Video Filter and 75ヘ Line Drivers with Summ
ML6428CS-1	FAIRCHILD	获取价格	S-Video Filter and 75 з Line Drivers with Sum
ML6428CS1X	FAIRCHILD	获取价格	Continuous Time Filter, 2 Func, Butterworth, Lowpass, PDSO8, SOIC-8

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