Status
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Status |
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MAX9500
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This product is Not Recommended for New Designs. See Ordering Information for recommended replacements. |
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MAX9501
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Active: In Production. |
Description
The MAX9500/MAX9501 are fully integrated solutions
for filtering and buffering HDTV signals. The MAX9500
operates from a single +5V supply, while the MAX9501
operates from dual ±5V supplies. The MAX9500/MAX9501 triple-channel video reconstruction filters are
both gain and delay matched and are ideal for use in
set-top boxes, DVD players, and other equipment that
generate analog HDTV outputs.
The MAX9500/MAX9501 interface between the current-output,
digital-to-analog converters (DAC) of an
Advanced Television Standard Committee (ATSC),
Motion Picture Experts Group (MPEG) decoder and the
external connections of a television, set-top box, or
DVD player.
The MAX9500/MAX9501 feature a DC-coupled input with
very low input capacitance and high resistance. The
highly selective lowpass filters remove spectral replicas
at the output of the DAC. The output amplifier has +6dB
of gain to drive 75Ω back-terminated loads to unity gain. The DC-coupled input eliminates problems such as sync
crush, droop, and field tilt. The output load can be DC- or
AC-coupled, depending on the application.
All three channels in the MAX9500/MAX9501 have the
same frequency response with matched group delay
and gain. The MAX9500/MAX9501 filter response meets
the requirements of the EIA-770.3/SMPTE 274M filter
template achieving > 40dB attenuation at 44.25MHz.
The MAX9500/MAX9501 can also be used as an antialiasing
filter for HDTV component inputs.
The MAX9500/MAX9501 are available in compact 16-pin
QSOP packages and are fully specified over the -40°C to
+85°C extended temperature range.
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Data Sheet
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