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參數資料
| 型號： | ML6428CS2X |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | S-Video Filter and 75 з Line Drivers with Summed Composite Output |
| 中文描述： | DUAL CONTINUOUS TIME FILTER, BUTTERWORTH, LOWPASS, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 1/10頁 |
| 文件大?。?/td> | 161K |
| 代理商： | ML6428CS2X |
www.fairchildsemi.com
REV. 1B April 2003
Features
6.7MHz Y and C filters, with CV out for NTSC or PAL
75
cable line driver for Y, C, CV, and TV modulator
43dB stopband attenuation at 27MHz
1dB flatness up to 4.8MHz
No external frequency select components or clocks
12ns group delay flatness up to 10MHz
5% overshoot on any input edge
AC coupled input and output (ML6428CS-1)
AC coupled input and DC coupled output
(ML6428CS-2)
0.4% differential gain on all channels, 0.4o differential
phase on all channels
0.7% total harmonic distortion on all channels
5V ±10% operation
DC restore with low tilt
General Description
The ML6428 is a dual Y/C 4th-order Butterworth lowpass
video filter optimized for minimum overshoot and flat group
delay. The device also contains a summing circuit to gener-
ate filtered composite video.
The Y and C input signals from DACs are AC coupled into
the ML6428. Both channels have DC restore circuitry to
clamp the DC input levels during video sync. The Y channel
uses a sync tip clamp. The CV and the C channels share a
feedback clamp.
All outputs must be AC coupled into their loads for the -1
version. The -2 version must be DC coupled. All inputs (-1
and -2 versions) are AC coupled. The Y or C outputs can
drive 2VP-P into a 150
load, while the CV output can drive
2VP-P into 75
. Thus the CV output is capable of driving
two independent 150
loads to 2VP-P.
On the CV output, one of the 75
loads can be shorted to
ground with no loss of drive to the remaining load. The Y, C
and CV channels have a gain of 2 (6dB) with 1VP-P input
levels.
Block Diagram
BUFFER
BUFFER
TRANSCONDUCTANCE
ERROR AMP
BUFFER
SYNC TIP CLAMP
4th-ORDER
FILTER
4th-ORDER
FILTER
4
1
3
8
6
5
GND
CIN
YIN
YOUT
CVOUT
COUT
VCCO
VCC
7
2
Σ
+
+
ML6428
S-Video Filter and 75
Line Drivers with Summed
Composite Output
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| ML6428 | S-Video Filter and 75 з Line Drivers with Summed Composite Output |
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| ML6429 | 75з Quad Video Cable Drivers and Filters with Switchable Inputs |
| ML6429CS | 75з Quad Video Cable Drivers and Filters with Switchable Inputs |
| ML6430 | Genlocking Sync Generator with Digital Audio Clock for NTSC, PAL & VGA(用于NTSC, PAL & VGA數字式音頻同步時鐘發(fā)生器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ML6428CS3 | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| ML6428CS-3 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:S-Video Filter and 75ヘ Line Drivers with Summed Composite Output |
| ML6428CS3X | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| ML6428CS-4 | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:S-Video Filter and 75ヘ Line Drivers with Summed Composite Output |
| ML6428CS4X | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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