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FMS3110/3115
Triple Video D/A Converters
3 x 10 bit, 150 Ms/s Features
10-bit resolution 150 megapixels per second 0.1% linearity error Sync and blank controls 1.0V p-p video into 37.5 or 75 load Internal bandgap voltage reference Double-buffered data for low distortion TTL-compatible inputs Low glitch energy Single 5 Volt power supply

Description
FMS3110/3115 products are low-cost triple D/A converters that are tailored to fit graphics and video applications where speed is critical. Two speed grades are available: FMS3110 FMS3115 100 Ms/s 150 Ms/s

Applications
Video signal conversion RGB YCBCR Composite, Y, C Multimedia systems Image processing True-color graphics systems (1 billion colors) Broadcast television equipment High-Definition Television (HDTV) equipment Direct digital synthesis

TTL-level inputs are converted to analog current outputs that can drive 25 37.5 loads corresponding to doubly-terminated 50 75 loads. A sync current following SYNC input timing is added to the IOG output. BLANK will override RGB inputs, setting IOG, IOB and IOR currents to zero when BLANK L. Although appropriate for many applications the internal 1.235V reference voltage can be overridden by the VREF input. Few external components are required, just the current reference resistor, current output load resistors, and decoupling capacitors. Package is a 48-lead LQFP. Fabrication technology is CMOS. Performance is guaranteed from 0 to 70 C.

Block Diagram
SYNC BLANK SYNC

G9-0

10

10 bit D/A Converter

IOG

B9-0

10

10 bit D/A Converter

IOB

R9-0 CLOCK

10

10 bit D/A Converter

IOR COMP RREF VREF

1.235V Ref

Rev. 1.07 12/8/04

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FMS3110 DATASHEET