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MAX7442

Description
6-Channel Integrated Video Reconstruction Filters
File Size192KB,7 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX7442 Overview

6-Channel Integrated Video Reconstruction Filters

19-2750; Rev 0; 1/03
6-Channel Integrated Video Reconstruction
Filters
General Description
The MAX7440/MAX7441/MAX7442 six-channel video
reconstruction filters replace 30 or more discrete com-
ponents. The devices are ideal for digital-to-analog
converter (DAC) video reconstruction applications,
when analog video is reconstructed from a digital data
stream. The MAX7440/MAX7441/MAX7442 operate
from a single +5V power supply. The inputs are DC-
coupled from the DAC and the output can either be AC-
or DC-coupled. The DC-IN, DC-OUT architecture, leads
to a perfect line-time distortion performance (zero tilt).
The filters have a cutoff frequency optimized for PAL,
NTSC, and SDTV video applications and offer three
high-frequency boost options. The MAX7440 offers a
flat passband response on all six channels; the
MAX7441/MAX7442 offer high-frequency boost on the
three channels used for CVBS and Y/C. The MAX7440/
MAX7441/MAX7442 are available in a 14-pin SO pack-
age and are fully specified over the extended tempera-
ture range.
Features
o
Replace 30 or More Discrete Components
o
Ideal for CVBS, Y/C (S-Video), and RGB or Y Pb Pr
Applications
o
45dB Attenuation at 27MHz
o
-0.2dB Passband Response
o
Ideal for STBs with SCART Interface
o
+5V Single-Supply Voltage
o
Input Common-Mode Range Includes GND
o
DC-Coupled Input, DC/AC-Coupled Output
o
14-Pin SO Package
MAX7440/MAX7441/MAX7442
Ordering Information
PART
MAX7440ESD
MAX7441ESD
PIN-
TEMP RANGE
PACKAGE
-40°C to +85°C 14 SO
-40°C to +85°C 14 SO
HIGH-
FREQUENCY
BOOST
No
Yes
Yes
Applications
STB
DVDs
Hard Disk Recorders
PVR
SCART Video Applications
General Video Filtering
+5V
MAX7442ESD*
-40°C to +85°C 14 SO
*Future product—contact factory for availability.
Typical Application Circuit
0.1µF
ENCODER
1µF
MAX7440
MAX7441
MAX7442
IN1
LOWPASS FILTER
WITH HF BOOST*
A = +1V/V
OUT1
A/V SWITCHING
DEVICE (MAX4399)
OR BUFFERS
75Ω
75Ω
D/A
D/A
IN2
LOWPASS FILTER
A = +1V/V
OUT2
75Ω
75Ω
D/A
IN3
LOWPASS FILTER
A = +1V/V
OUT3
75Ω
75Ω
D/A
IN4
LOWPASS FILTER
A = +1V/V
OUT4
75Ω
75Ω
D/A
IN5
LOWPASS FILTER
WITH HF BOOST*
A = +1V/V
OUT5
75Ω
75Ω
D/A
IN6
LOWPASS FILTER
WITH HF BOOST*
A = +1V/V
OUT6
75Ω
75Ω
*MAX7440 HAS FLAT RESPONSE, MAX7441/MAX7442 INCLUDES HF BOOST.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX7442 Related Products

MAX7442 MAX7442ESD MAX7441 MAX7440 MAX7441ESD
Description 6-Channel Integrated Video Reconstruction Filters 6-Channel Integrated Video Reconstruction Filters 6-Channel Integrated Video Reconstruction Filters 6-Channel Integrated Video Reconstruction Filters 6-Channel Integrated Video Reconstruction Filters
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