MAX7453CSA Maxim Integrated Products, MAX7453CSA Datasheet

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MAX7453CSA

Manufacturer Part Number
MAX7453CSA
Description
Triple-Channel Video Reconstruction Filter and Buffer for Composite and Y/C Outputs
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX7453CSA

Case
SOP8
Dc
06+

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Part Number
Manufacturer
Quantity
Price
Part Number:
MAX7453CSA
Manufacturer:
MAXIM/美信
Quantity:
20 000
Part Number:
MAX7453CSA+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
The MAX7453 is a low-cost, triple-channel video recon-
struction filter for S-video and CVBS video-signal appli-
cations. This device is ideal for anti-aliasing and DAC
smoothing video applications such as set-top boxes,
DVD players, hard-disk recorders (HDRs), and personal
video recorders. This filter operates from a single +5V
supply. It is optimized for NTSC, PAL, and standard-defi-
nition TV (SDTV) video systems.
Each channel consists of a lowpass filter and an output
buffer capable of driving one (YOUT, COUT) or two
(CVOUT) standard 150Ω video loads. The output buffers
can drive either an AC or a DC load such that the blank-
ing level voltage after the backmatch resistor is less than
1V. The Y and C video inputs are summed to produce
the composite video output. The MAX7453 has a maxi-
mally flat frequency response.
The MAX7453 is available in an 8-pin SO package and is
fully specified over the commercial (0°C to +70°C) tem-
perature range.
19-3269; Rev 0; 6/05
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.
Triple-Channel Video Reconstruction Filter and
Set-Top Boxes/HDRs/DVDs
Security Cameras/Digital Cameras
Game Consoles
Digital VCRs
Every Composite, S-Video Output for NTSC,
PAL, and SDTV
________________________________________________________________ Maxim Integrated Products
ENCODER
D/A
D/A
General Description
Buffer for Composite and Y/C Outputs
CIN
YIN
Applications
LOWPASS
MAX7453
LOWPASS
FILTER
GND
FILTER
V
CC
Σ
+6dB
+6dB
+6dB
♦ Triple-Channel Filter and Buffer for CVBS and
♦ Filter Response Ideal for NTSC, PAL, and
♦ 42dB (typ) Stopband Attenuation at 27MHz
♦ -0.3dB (typ) Passband Response
♦ <1V Blanking Level Allows DC-Coupled Output
♦ CVOUT Drives Two 150Ω Video Loads
♦ YOUT and COUT Drive One 150Ω Video Load
♦ +5V Single-Supply Voltage
♦ 8-Pin SO Package
Y/C (S-Video) Video Signals
Interlaced SDTV Signals
MAX7453CSA
CVOUT
YOUT
COUT
TOP VIEW
PART
GND
N.C.
YIN
CIN
1
2
4
*
*
*
*
3
TEMP RANGE
0°C to +70°C
Ordering Information
Functional Diagram
MAX7453
SO
Pin Configuration
6
8
7
5
YOUT
CVOUT
V
COUT
PIN-PACKAGE
8 SO
CC
Features
1

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MAX7453CSA Summary of contents

Page 1

... Passband Response ♦ <1V Blanking Level Allows DC-Coupled Output ♦ CVOUT Drives Two 150Ω Video Loads ♦ YOUT and COUT Drive One 150Ω Video Load ♦ +5V Single-Supply Voltage ♦ 8-Pin SO Package PART MAX7453CSA Applications TOP VIEW V CC LOWPASS YOUT ...

Page 2

Triple-Channel Video Reconstruction Filter and Buffer for Composite and Y/C Outputs ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................................+6V CC All Other Pins to GND.................................-0. Maximum Current into Any Pin Except V CC Continuous Power Dissipation (T = +70°C) ...

Page 3

Triple-Channel Video Reconstruction Filter and Buffer for Composite and Y/C Outputs (V = +5V +25°C, unless otherwise noted AMPLITUDE vs. FREQUENCY 10 0 -10 -20 -30 -40 -50 -60 -70 NORMALIZED TO 0dB - ...

Page 4

Triple-Channel Video Reconstruction Filter and Buffer for Composite and Y/C Outputs Pin Description PIN NAME FUNCTION 1 YIN Luma (Y) Input 2 N.C. No Connection. No internal connection. 3 GND Ground 4 CIN Chroma (C) Input 5 COUT Chroma (C) ...

Page 5

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 5 © 2005 Maxim Integrated Products ...

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