MAX9512 Maxim Integrated Products, MAX9512 Datasheet
MAX9512
Manufacturer Part Number
MAX9512
Description
Video Filter Amplifier
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX9512.pdf
(19 pages)
www.datasheet4u.com
The MAX9512 video filter amplifier with SmartSleep™
and Y/C mixer is ideal for portable media players
(PMPs), portable DVD players, and set-top boxes
(STBs). The inputs can be directly connected to the digi-
tal-to-analog converter (DAC) outputs. The dual recon-
struction filters remove high-frequency signals above
6.75MHz. The Y/C-to-CVBS mixer creates a composite
video signal from luma and chroma. The four amplifiers
each have 6dB of gain. The outputs can be DC-coupled
to a load of 75Ω, which is equivalent to two video loads,
or 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 MAX9512 does not
detect the presence of sync on luma, the supply cur-
rent 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 dis-
connected, the video amplifier is turned off.
The MAX9512 operates from a 2.7V to 3.6V single sup-
ply and is offered in a small, 16-pin TQFN (3mm x
3mm) package. The device is specified over the -40°C
to +125°C automotive temperature range.
19-0535; Rev 0; 5/06
SmartSleep is a trademark of Maxim Integrated Products, Inc.
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.
Portable Media Players
(PMPs)
Portable DVD Players
Pin Configurations continued at end of data sheet.
TOP VIEW
SMARTSLEEP
N.C.
V
CIN
DD
13
14
15
16
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Maxim Integrated Products
+
12
1
Video Filter Amplifier with SmartSleep
(3mm x 3mm)
General Description
THIN QFN
Pin Configurations
MAX9512
11
2
Set-Top Boxes (STBs)
Portable Applications
10
3
Applications
9
4
8
7
6
5
GND
N.C.
SHDN
N.C.
o SmartSleep Feature Detects Input Signal and
o Dual Standard-Definition Video Reconstruction
o Luma and Chroma Inputs
o Y/C-to-CVBS Mixer
o Luma, Chroma, and Two Composite Outputs
o Supports Two Video Loads at Each Output
o 2.7V to 3.6V Single-Supply Operation
Note: All devices specified over the -40°C to +125°C operating
temperature range.
+ Denotes lead-free package.
* Future product—contact factory for availability.
** EP = Exposed pad.
MAX9512ATE+
MAX9512AEE+*
SMARTSLEEP
Block Diagrams continued at end of data sheet.
Output Load Status to Reduce Power
Consumption
Filters with 6.75MHz Passband
(DC-Coupled)
and Y/C Mixer Circuit
SHDN
PART
CIN
YIN
BUFFER
BUFFER
MAX9512
ACTIVE VIDEO
CONTROL
16 TQFN-EP**
(3mm x 3mm)
16 QSOP
DETECT
LOGIC
PIN-PACKAGE
LPF
LPF
Ordering Information
Block Diagrams
6dB
6dB
6dB
6dB
PKG CODE
T1633-4
E16-4
LOAD SENSE
LOAD SENSE
LOAD SENSE
LOAD SENSE
Features
MARK
YOUT
COUT
CVBSOUT1
CVBSOUT2
TOP
AEN
—
1
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