FMS6413CS

FMS6413CS Datasheet


FMS6413

Part Datasheet
FMS6413CS FMS6413CS FMS6413CS (pdf)
Related Parts Information
FMS6413CSX FMS6413CSX FMS6413CSX
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FMS6413

Single Channel Video Driver with Integrated Filter and Clamp

Video Features
• Integrated Video Low Pass reconstruction
• Integrated output driver provides a low impedance output
and delivers 2Vp-p 6dB gain composite video into
• 7.1MHz 4th order video
• differential gain with differential phase
• Integrated DC Restore / Clamp Circuitry
• CCTV
• DVD players
• Televisions
• HDTV
• Personal Video Recorders PVRs
• Video On Demand VOD
• Cable and Satellite Set top boxes

The FMS6413 Single Channel Video Filter Driver Chip offers comprehensive video for set top box or DVD applications. This part consists of a 4th order video Low Pass for video This device integrates a video driver so that it can directly drive to the outside world. There is also an integrated clamp circuit that allows the part to DC restore.

The video output is at 7.1MHz and buffered to drive 2Vp-p into an AC coupled load with up to 35pF of load capacitance at the output pin. The approximates a 4th-order Butterworth characteristic with an optimization toward low overshoot and group delay. Likewise, the driver is capable of driving a load at 1Vp-p. There is an option for the video output to be DC coupled which limits the drive to 1 output.

Block Diagram

VIDEO_IN

SYNC STRIP, REFERENCE, AND TIMING

VIDEO_OUT
gM 1V

FMS6413 8-Pin SOIC S08

VIDEO_IN VIDEO_OUT
7 VCC_VIDEO
3 GND_VIDEO

Pin Description

Video Section

Pin# Pin

VIDEO_IN

VIDEO_OUT

Type Input Output

Description Video Input Video Output This pin is the filtered video output

Power/Ground Pins

Pin# Pin

VCC_VIDEO

GND_VIDEO

Type Power

Description +5 VDC for Video Ground for Video Reserved Need to Float Reserved Need to Float Reserved Need to Float Reserved Need to Float

FMS6413

FMS6413

Functional Description

Introduction

The FMS6413 is a monolithic continuous time video driver designed for reconstructing the video signals from a D/A source. This chip is intended for use in applications with AC coupled input and AC coupled outputs. See Figure 1 The reconstruction approximates a 4th-order Butterworth characteristic with an optimization toward low over-shoot and group delay. The video output is capable of driving 2VP-P into an AC coupled video load, with up to 35pF of load capacitance at the output pin. The channel is clamped during sync to establish the appropriate output voltage swing range. Thus the input coupling capacitor does not behave according to the conventional RC time constant. Clamping for the video channel settles to less than 10mv within 5ms of a change in video input source. In most applications the input coupling capacitor is 0.1µF. The input typically sinks 1µA during active video, which nominally tilts a horizontal line by about 2mV at the Video output. During sync, the clamp typically sources 20µA to restore the

DC level. The net result is that the average input current is zero. Any change in the input coupling capacitor’s value will inversely alter the amount of tilt per line. Such a change will also linearly affect the clamp response time. This product is robust and stable under all stated load and input conditions. Capacitive bypassing VCC directly to ground ensures this performance.

Video I/O

The video input is driven by either a low impedance source of 1VP-P or the output of a terminated line. The input is required to be AC coupled via a 0.1µF coupling capacitor which allows for a settling time of 5ms. The video output is capable of driving an AC coupled load at 2VP-P, or 1VP-P into a load. Up to 35pF of load capacitance at the output pin can be driven without stability or slew issues. The output is AC coupled with a 220µF or larger AC coupling capacitor.

Typical Applications Diagram

VIDEO_IN
1 VIDEO_IN
Ordering Information

Part Number FMS6413CS FMS6413CSX

Temperature Range 0° to 70° 0° to 70°

FMS6413

Package 8 Pin SOIC S08

Tape and Reel

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein:

Life support devices or systems are devices or systems which, a are intended for surgical implant into the body, or b support or sustain life, and c whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.

A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.
6/27/02 0.0m 004 Stock#DS30006413 2002 Fairchild Semiconductor Corporation
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Datasheet ID: FMS6413CS 514928