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MAX9513ATE

产品描述CVBS Video Filter Amplifier with SmartSleep and Bidirectional Video Support
文件大小366KB,共23页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
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MAX9513ATE概述

CVBS Video Filter Amplifier with SmartSleep and Bidirectional Video Support

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19-0604; Rev 0; 7/06
KIT
ATION
EVALU
BLE
AVAILA
CVBS Video Filter Amplifier with SmartSleep
and Bidirectional Video Support
General Description
The MAX9513 CVBS video filter amplifier with
SmartSleep and bidirectional video support is ideal for
portable DVD players and portable media players
(PMPs). The input can be directly connected to the digi-
tal-to-analog converter (DAC) output. The reconstruction
filter removes high-frequency signals above 6.75MHz.
The amplifiers have 6dB of gain, and the outputs can be
DC-coupled to a load of 75Ω, which is equivalent to two
video loads, or can be AC-coupled to a load of 150Ω.
The SmartSleep circuitry intelligently reduces power
consumption based on the presence of the input signal
and the output loads. When the MAX9513 does not
detect the presence of sync on the input video signal,
the supply current is reduced to less than 7µA. The
device only enables a video amplifier when there is an
active video input signal and an attached load. The
video amplifier remains on while a load is connected. If
the load is disconnected, the video amplifier is turned off.
The MAX9513 contains one reconstruction filter, two
video amplifiers, and a pulldown switch at one of the
two CVBS outputs. The MAX9513 has the ability to con-
trol the bidirectional video signals at the CVBS video
connections without the need for separate switches or
relays. This feature is particularly useful for portable
DVD players, which often use the same connector to
drive a composite video output and to accept an exter-
nal video signal to display on the LCD panel.
The MAX9513 operates from a 2.7V to 3.6V single supply
and is offered in small 16-pin TQFN (3mm x 3mm) and
16-pin QSOP packages. The device is specified over
the -40°C to +125°C automotive temperature range.
Features
o
SmartSleep Feature Detects Input Signal and
Output Load Status to Reduce Power
Consumption
o
Standard-Definition Video Reconstruction Filter
with 6.75MHz Passband
o
Two Composite Inputs and Outputs
o
Integrated Support for a Bidirectional Composite
Video Signal
o
Supports Two Video Loads at Each Output
(DC-Coupled)
o
2.7V to 3.6V Single-Supply Operation
MAX9513
Ordering Information
PART
MAX9513ATE+
PIN-PACKAGE PKG CODE
16 TQFN-EP**
(3mm x 3mm)
T1633-4
E16-4
TOP MARK
AFC
MAX9513AEE+* 16 QSOP
Note:
All devices are specified over the -40°C to +125°C operat-
ing temperature range.
+Denotes
lead-free package.
*Future
product—contact factory for availability.
**EP
= Exposed pad.
Block Diagrams
INT/EXT
MAX9513
Applications
Portable DVD Players
Portable Set-Top Boxes
Personal Video Recorders (PVRs)
Portable Media Players (PMPs)
Portable Video
SMARTSLEEP
SHDN
CONTROL
LOGIC
LOAD SENSE
ACTIVE VIDEO
DETECT
6dB
CVBSOUT1
CVBSIN
BUFFER
LPF
EXTCVBSIN
CLAMP
6dB
LOAD SENSE
CVBSOUT2
Block Diagrams continued at end of data sheet.
________________________________________________________________
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.

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