FMS6151

FMS6151 Ultra Portable Video Filter Driver

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FMS6151 Ultra Portable Video Filter Driver

January 2006

FMS6151 Ultra Portable Video Filter Driver
Features
5th order 8MHz (SD) filter Power down to 25nA DC coupled input AC or DC coupled output DC coupled output eliminate need for AC coupling cap SAG correction reduces size of AC coupling cap Fixed gain of 6dB Small, lead (Pb) free, Micropak packaging

Description
The FMS6151 low cost, integrated, video filter is intended to replace passive LC filters and drivers in low voltage portable video applications. The 5th order filter provides better image quality compared to typical 2nd and 3rd order passive solutions. The FMS6151 is intended to be directly driven by a DC-coupled DAC output. The output can drive an AC or DC-coupled doubly terminated coax(150) load. DC-coupling the output removes the need for an expensive output coupling capacitor. If an AC-coupled output is needed, the SAG correction circuit can be used to reduce the AC output coupling capacitor value. Input DC levels are offset by approximately 100mV. This internal level shift is incorporated to prevent sync pulse clipping. Offering SAG correction, fixed gain of 6dB, and a 5th order low pass filter in a tiny space saving package (Micropak) makes the FMS6151 well suited for space sensitive applications such as cellular phones and digital cameras.

Applications
Digital Still Cameras Camera Phones Personal Digital Assistants Set Top Boxes Digital Video Recorders

Block Diagram
Vcc 2.5V to 5.25V

VIN 8MHz, 5th order

VOUT

SAG

FMS6151 Rev. 1B

www.fairchildsemi.com