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MAX7461

Loss-of-Sync Alarm

Complete LOS Alarm Stand-Alone Solution

Overview

Technical Documents

Ordering Info

Status

Active: In Production.

Description

The MAX7461 single-channel loss-of-sync alarm (active-low LOS) provides composite video sync detection in NTSC, PAL, and SECAM standard-definition television (SDTV) systems. The MAX7461's advanced detection circuitry delivers robust performance by preventing false loss-of-sync alarms due to noise. The device accepts an AC-coupled composite (CVBS), luma (Y), or any other video signal with sync and outputs a logic-level signal. The open-drain active-low LOS output is low when no sync is detected and high impedance when sync is detected. The device operates from a single +5V supply.

The MAX7461 is available in a 5-pin SOT23 package and is specified for operation over the -40°C to +85°C temperature range.

Data Sheet

Download	Rev 0	(PDF, 496kB)
E-Mail

Key Features

Accepts CVBS, Y, or Any Other Video with Sync
Loss-of-Sync Alarm Output
Robust Performance in Noisy Environments
Wire-OR Alarm Output
NTSC, PAL, and SECAM
Small 5-Pin SOT23 Package

Applications/Uses

Automotive Rear-Seat Entertainment (RSE)
Consumer Electronics
Security Systems

Key Specifications:

Video Sync. Separation and Detection

Part Number

Signal Type

Supported Standards

V_SUPPLY
(V)

Loss of Sync. Detect

Package/Pins

Smallest Available Pckg.
(mm²)

Oper. Temp.
(°C)

Budgetary Price

max w/pins

See Notes

MAX7461

Any Signal with Sync

CVBS

NTSC

PAL

SECAM

4.5 to 5.5

Yes

SOT/5

-40 to +85

$1.33 @1k

See All Video Sync. Separation and Detection (1)

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Diagram

Functional Diagram

Application Notes

Application Note 4133		Using the MAX7461 Loss-of-Sync Alarm to Enable Simple, but Rapid Detection of Standard-Definition Video
Application Note 4271		Automotive Infotainment Goes Mainstream: High-Integration Solutions Enable Value-Added Features

Product Guides

Automotive (PDF)

Displays (PDF)

Video (PDF)

Reliability Reports

Reliability Report:	MAX7461.pdf
Show FIT data for:

Software/Models

none

Ordering Information

Filters:

Part Number:

Package:

Temperature:

Tape and Reel

Sample

Part Number	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX7461EUK+			Active	SOT;5 pin;9 mm² Outline Drawing:21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX7461EUK+C45			Active	SOT;5 pin;9 mm² Outline Drawing:21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX7461EUK+T			Active	SOT;5 pin;9 mm² Outline Drawing:21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX7461EUK+TC45			Active	SOT;5 pin;9 mm² Outline Drawing:21-0057 (PDF) Land Pattern: 90-0174 (PDF) Use pkgcode/variation: U5+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX7461EUK-T			Active	SOT;5 pin Land Pattern: Not Available	-40°C to +85°C	See data sheet

Notes:

Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

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More Information

Topmark Coding	MAX7461
New Product Press Release	[ 2006-06-08 ]

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Information Index

Overview		Technical Documents		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Application Notes Evaluation Kits Product Guides Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

Document Ref.: 19-0553 Rev 0; 2006-05-11
This page last modified: 2009-03-26