FMS6408MTC141 Datasheet

IC型號(hào)：
FMS6408MTC141
PDF描述：
Triple Video Filter Driver for RGB and YUV Signals
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PDF頁(yè)數(shù)：
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FMS6408

Features

Triple Video Filter Driver for RGB and YUV Signals

Description

The FMS6408 provides three video signal paths including a

two-input mux, a video 鏗乴ter and a 6dB gain output driver.

The 鏗乴ter bandwidth supports RGB and YUV signals in

either NTSC or PAL formats.

The video 鏗乴ters approximate a 5th order Butterworth low

pass characteristic optimized for minimum overshoot and

鏗俛t group delay to provide excellent image quality. Four

different peaking options are available. The video 鏗乴ters can

be bypassed if desired.

In a typical application, the RGB or YUV DAC outputs are

AC coupled into the 鏗乴ters through the input mux. All

channels have DC restore circuitry to clamp the DC input

levels during video sync. The clamp pulse derived from the

selected Y input controls three independent feedback clamps.

All outputs are capable of driving 2V

, AC or DC coupled,

into either a single (150

鈩?/div>

) or dual (75

鈩?/div>

) video load. The

FMS6408 clamp levels can be factory programmed for YUV

/RGB (250mV for all channels), YC / YPbPr (250mV on

channel 1 and 1.125V on channels 2 and 3) or YC CV

(250mV on channels 1 and 3 and 1.125V on channel 2).

鈥?7.6MHz 5th order RGB/YUV/YC CV 鏗乴ters

鈥?50dB stopband attenuation at 27MHz on all outputs

鈥?Better than 0.5dB 鏗俛tness to 4.2MHz on all outputs

鈥?No external frequency selection components or clocks

鈥?AC coupled inputs and AC or DC coupled outputs

鈥?Supports both NTSC and PAL luminance bandwidth

鈥?Continuous time low pass 鏗乴ters for video anti-aliasing

or reconstruction applications

鈥?<1% differential gain with 0.5擄 differential phase on

all channels

鈥?Integrated DC restore circuitry with low tilt

Applications

鈥?Cable set top boxes

鈥?Satellite set top boxes

鈥?Terrestrial set top boxes

鈥?DVD players

鈥?Personal Video Recorders (PVR)

鈥?Video On Demand (VOD)

Functional Block Diagram

MUX

(A/B)

BYPASS (BYPASS/FILTER)

YINA

YINB

8MHz

YOUT

250mV

Sync Processing

UINA

UINB

8MHz

UOUT

250mV or

1.125V *

VINA

VINB

8MHz

VOUT

* Factory Selected Clamp

and Peaking Levels

250mV or

1.125V *

REV. 2C August 31, 2004

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其它名稱
FMS6408MTC141_NLFMS6408MTC141_NL-ND

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FMS6408MTC141 Datasheet

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