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MAX4079CWG-T

Description
Video ICs Complete Audio/Video Backend Solution
Categorysemiconductor    Other integrated circuit (IC)   
File Size261KB,15 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX4079CWG-T Overview

Video ICs Complete Audio/Video Backend Solution

MAX4079CWG-T Parametric

Parameter NameAttribute value
Product CategoryVideo ICs
ManufacturerMaxim
RoHSDetails
PackagingReel
Factory Pack Quantity1000
19-3780; Rev 1; 3/09
KIT
ATION
EVALU
E
BL
AVAILA
Complete Audio/Video
Backend Solution
General Description
Features
Integrated Video Reconstruction Filters—6MHz
Lowpass Filter Supports NTSC, PAL, or DVB per
ITU-601
Integrated Video and Audio Amplifiers
Integrated Video Input Clamps and Biasing
Mono Audio and CVBS Output to Drive External
Modulator
+5V (Video) and +9V to +12V (Audio) Single-
Supply Operation
Differential/Single-Ended Audio Inputs
24-Pin TSSOP Package
MAX4079
The MAX4079 filters and buffers video (NTSC/PAL/DVB)
and stereo audio signals from the MPEG decoder of a
cable/satellite receiver, VCR/DVD player, or a TV to an
external load. The MAX4079 has luma-chroma (Y-C)
and composite (CVBS) video inputs with one Y-C and
two CVBS outputs. All video inputs are AC-coupled with
internal DC biasing on the chroma input and active
clamps for the luma and composite.
The MAX4079 video reconstruction filters have a 6MHz
cutoff frequency and 50dB attenuation at 27MHz. The
filters are matched with flat group delay for standard-
definition video. The video gain is fixed at +6dB to drive
a 75Ω back-terminated load (150Ω) to unity gain. The
video outputs can be either DC- or AC-coupled and are
powered by a single +5V supply.
The MAX4079 audio amplifiers have differential inputs
for optimum performance, but can be used with single-
ended sources with external biasing. The audio chan-
nels have a fixed gain of +6dB and deliver 2.6V
RMS
output with a differential input of ±1.85V. The audio
amplifiers operate from a +9V to +12V single supply
and feature an internal bias generator. An on-chip
mixer also provides a mono output, with +3dB gain,
derived from the left and right audio channels.
The MAX4079 is available in 24-pin TSSOP package,
and is fully specified over the 0°C to +70°C commercial
temperature range. The MAX4079 Evaluation Kit is
available to help speed designs.
Ordering Information
PART
MAX4079CUG+
TEMP RANGE
0°C to +70°C
PIN-PACKAGE
24 TSSOP
+Denotes
lead(Pb)-free package.
Functional Diagram
AUDV
VVID
REXT
Applications
Satellite Receivers
Cable Receivers
Home Theater Systems
DVD Players
AV Receivers
Televisions
YIN
CLAMP
LP
FILTER
+6dB
YOUT
CIN
BIAS
NETWORK
LP
FILTER
+6dB
COUT
+6dB
CVBSIN
CLAMP
LP
FILTER
+6dB
CVBSOUT1
CVBSOUT2
+6dB
RINP
+6dB
RINN
+3dB
LINP
ROUT1
ROUT2
MONO
Pin Configuration appears at end of data sheet.
LINN
MAX4079
+6dB
LOUT1
+6dB
LOUT2
GAUD
GVID
CBYPASS
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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