MAX11503EUA+ Maxim Integrated Products, MAX11503EUA+ Datasheet

IC VIDEO Y/C SUMMER W/DVR 8-MSOP

MAX11503EUA+

Manufacturer Part Number
MAX11503EUA+
Description
IC VIDEO Y/C SUMMER W/DVR 8-MSOP
Manufacturer
Maxim Integrated Products
Type
Driverr
Datasheet
1.MAX11503EUA.pdf (8 pages)

Specifications of MAX11503EUA+

Applications
Camera
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX11503 is a low-power video amplifier with a
Y/C summer and chroma mute. The device accepts an
S-video or Y/C input and sums the luma (Y) and chroma
(C) signals into a composite CVBS signal which can be
connected directly to a TV monitor. The MAX11503 drives
two terminated 75Ω video coax cables.
The MAX11503 features include chroma mute, power
save, and SAG correction. Chroma mute disables the
chroma buffer. If the device is used to combine Y and
C signals in a camera application, the chroma mute
may be used in low-light situations. This removes all
chroma including burst which causes a downstream
composite video decoder to interpret the video signal
as luminance only, thus improving image quality. SAG
correction allows small output capacitors to be used in
AC-coupled output applications.
The MAX11503 operates from a single 2.7V to 5.25V
supply, is specified over the extended -40°C to +85°C
temperature range, and is available in a small 8-pin
µMAX
19-4031; Rev 0; 2/08
µMAX is a registered trademark of Maxim Integrated Products, Inc.
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.
®
Security Cameras
CCD Cameras
Digital Cameras
Portable Media Players
package.
SYSTEM
(SOC)
ON A
CHIP
________________________________________________________________ Maxim Integrated Products
Y
C
0.1µF*
General Description
CMUTE
PSAVE
YIN
CIN
Applications
*REMOVE AND SHORT FOR DC-COUPLED OPERATION
TRANSPARENT
AC-COUPLING
AND BIAS
CLAMP
V
CC
0.1µF
BUFFER
BUFFER
GND
Driver and Chroma Mute
1µF
Video Y/C Summer with
Σ
♦ Low Operating Voltage
♦ Internal Y/C Summer with Chroma Mute Capability
♦ AC- or DC-Coupled Inputs
♦ AC- or DC-Coupled Outputs
♦ Output Buffer Drives Two Terminated 75Ω Video
♦ SAG Correction Allows for Small Output
♦ Low-Power Standby, 0.5µA at 3.0V
+ Denotes lead-free package.
* EP = Exposed pad.
Pin Configuration appears at end of data sheet.
MAX11503EUA+
Coax Cables
Capacitors
MAX11503
+6dB
PART
OUT
SAG
-40°C to +85°C
68µF*
TEMP RANGE
33µF*
Ordering Information
Functional Diagram
75Ω
PIN-
PACKAGE
8 µMAX-EP*
Features
75Ω
U8E+2
CODE
PKG
1

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MAX11503EUA+ Summary of contents

Page 1

... AC- or DC-Coupled Outputs ♦ Output Buffer Drives Two Terminated 75Ω Video Coax Cables ♦ SAG Correction Allows for Small Output Capacitors ♦ Low-Power Standby, 0.5µA at 3.0V PART MAX11503EUA+ Applications + Denotes lead-free package Exposed pad. Pin Configuration appears at end of data sheet 0.1µ ...

Page 2

Video Y/C Summer with Driver and Chroma Mute ABSOLUTE MAXIMUM RATINGS Any Pin to GND .....................................................-0.3V to +5.5V Maximum Current into Any Pin Except V Continuous Power Dissipation (T = +70°C) A 8-Pin µMAX-EP Single-Layer Board (derate 10.3mW/°C above +70°C)...........................................................824mW ...

Page 3

ELECTRICAL CHARACTERISTICS (continued 3.0V 0V, R PSAVE CC CC CMUTE PARAMETER SYMBOL Signal-to-Noise Ratio SNR Second Harmonic 2HD Distortion Chroma Input R CIN Resistance Logic-Input Voltage V IL Low Logic-Input Voltage V ...

Page 4

Video Y/C Summer with Driver and Chroma Mute (V = 3.0V 0V, R PSAVE CC CC CMUTE FREQUENCY RESPONSE 20 LUMA 0 CHROMA -20 -40 -60 -80 0.1 1 FREQUENCY (MHz) FIELD SQUARE WAVE ...

Page 5

PIN NAME 1 YIN Luma Input 2 GND Ground 3 OUT Video Out Sag Correction Input. Connect to OUT when AC- or DC-coupling video output. See Figure 1 to determine 4 SAG capacitor value and circuit Power Supply. ...

Page 6

Video Y/C Summer with Driver and Chroma Mute Applications Information Input Configuration The luma input can be DC-coupled if the sync tip is near ground (see the Minimum Supply-Voltage Considerations section). Otherwise, it should be AC-coupled into YIN with a ...

Page 7

The MAX11503 input clamps the sync tip of the video signal to 250mV at the IC output, forcing the blanking level to be about 550mV on the coax cables at the ter- mination resistor. This allows driving video to meet ...

Page 8

... 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. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products ...

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