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MAX9500

Maxim Integrated Products
Part Number MAX9500
Manufacturer Maxim Integrated Products
Description Triple-Channel HDTV Filters
Published Apr 27, 2009
Detailed Description 19-3779; Rev 1; 11/05 Triple-Channel HDTV Filters General Description www.datasheet4u.com Features ♦ 30MHz Bandwidth a...
Datasheet PDF File MAX9500 PDF File

MAX9500
MAX9500

Overview
19-3779; Rev 1; 11/05 Triple-Channel HDTV Filters General Description www.
datasheet4u.
com Features ♦ 30MHz Bandwidth at ±1.
5dB ♦ Extremely Sharp Rolloff, Lowpass Filters -50dB at 44.
25MHz ♦ DC-Coupled Inputs; AC- or DC-Coupled Outputs ♦ ±5V Dual Supply (MAX9501) ♦ 5V Single Supply (MAX9500) ♦ Matched Group Delay and Gain ♦ Drive Single/Double Back-Terminated Loads (150Ω/75Ω) Directly to Ground ♦ Sink and Source Output Current ♦ High Input Impedance to Interface to Low OutputCurrent DAC ♦ 16-Pin SO and QSOP Packages MAX9500/MAX9501 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 currentoutput, 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/SMPTE274M 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 ...


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