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Fairchild Semiconductor Announces Video Filter/Driver Family with Optimal Filter Flexibility to Further Position Its Position as a Lead Supplier of Integrated Video Filters/Drivers in the Digital Set-Top Box Market, Allowing Designers to Maintain Video Signal Paths High performance while optimizing system cost. The video filter/driver family features optional standard definition (SD), progressive scan (PS), and high definition (HD) filtering capabilities, allowing designers to choose from two filter frequencies for specific design needs. The right combination. These highly integrated video filters/drivers are designed to replace passive LC filters and drivers as an alternative to discrete solutions and save board space by up to 50%. In addition to set-top boxes, these devices are also suitable for DVD, digital TV and other consumer video products.Fairchild's 6-channel 6th-order video filter/driver FMS6690/FMS6246/FMS6346 series allows designers to choose the SD/PS/HD filter combination that best suits their system requirements, so they stand out in a highly competitive market. These devices offer higher levels of integration, especially when compared to the level that traditional manufacturers need for composite video, S-video, and component video (YPbPr, YUV, RGB). To save space, each device in the family integrates an optional filter, input clamp, and fixed gain (6dB) output driver in a single TSSOP package. These devices also offer AC or DC-coupled input and output options, which eliminates the need for large AC coupling capacitors for DC-coupled outputs, reducing board space.
Each of the video filter/driver families offers designers a wide range of device options:
§ The FMS6690 provides three channels with fixed 8MHz filters and three channels that can be selected between PS and HD (15MHz/32MHz), making them ideal for HDTV applications;
§ FMS6246 provides three channels with fixed 8MHz filters and three channels that can be selected between SD and PS (8MHz/15MHz), targeting DVD players; and
§ The FMS6346 provides three channels with a fixed 8MHz filter and three channels for selection between SD and PS (8MHz/32MHz), making it ideal for set-top box designs.
The FMS6690/FMS6246/FMS6346 are available in a lead-free, 20-pin TSSOP package that meets or exceeds the IPC/JEDEC J-STD-020B standard and complies with the EU standards now in effect.
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