FMS3818KRC ,180MHz Triple Video 8-Bit D/A Converterapplications where speed is critical.• Internal bandgap voltage referenceCMOS-level inputs are conv ..
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FMS3818KRC
180MHz Triple Video 8-Bit D/A Converter
Features ±2.5% gain matching ±0.5 LSB linearity error Internal bandgap voltage reference Low glitch energy Single 3.3 V olt power supply
Applications PC Graphics Video signal conversion
– RGB
– YC
– Composite, Y, C
DescriptionThe FMS3818 is a low-cost triple D/A converter, tailored to
fit graphics and video applications where speed is critical.
CMOS-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 I
OG
output. BLANK will
override RGB inputs, setting I
, I
and I
currents to
zero when BLANK = L. Although appropriate for many
applications the internal 1.25V reference voltage can be
overridden by the V
REF
input.
Few external components are required, just the current
reference resistor, current output load resistors, bypass
capacitors and decoupling capacitors.
Package is a 48-lead LQFP. Fabrication technology is
CMOS. Performance is guaranteed from 0 to 70°C.
Block Diagram
