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MAX7461EUK+ is listed in the Video Processing range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC VID LOSS-OF-SYNC ALARM SOT23. Review the specifications below when checking this part for your BOM.
Video Processing specifications for MAX7461EUK+
- Description：IC VID LOSS-OF-SYNC ALARM SOT23
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Function：Alarm
- Applications：Professional Video
- Standards：NTSC, PAL, SECAM
- Control Interface：-
- Voltage - Supply：4.5V ~ 5.5V
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
Video Processing datasheet and documents for MAX7461EUK+
Video Processing Overview
The MAX7461EUK+ is a single-channel loss-of-sync alarm designed for NTSC, PAL, and SECAM standard-definition television systems. It accepts AC-coupled composite video (CVBS), luma (Y), or any video signal containing sync pulses. The device operates from a single +5V supply within the -40°C to +85°C temperature range. Key electrical parameters include a minimum input sync height of 105mV P-P, a typical LOS detect time of 3.4ms, and a typical release time of 2.2ms. Supply current is typically 2.2mA at VCC = 5V.
Video Processing Feature Summary
- Advanced detection circuitry prevents false alarms caused by noise in composite video signals
- Integrated lowpass filter reduces color burst, chroma, and noise interference
- Open-drain output supports wired-OR configurations for multi-monitor setups
- Input clamp corrects DC shifts on a line-by-line basis
Video Processing Applications
- Security Systems
- Consumer Electronics
- Video Surveillance Monitoring
Video Processing Procurement Notes
Verify that the component matches the exact part number MAX7461EUK+. Confirm the package type is 5-pin SOT23 and the suffix indicates RoHS compliance. Ensure the operating temperature range meets system requirements of -40°C to +85°C. Check datasheet specifications for absolute maximum ratings to prevent damage during installation.
Video Processing Selection Notes
Select this device when monitoring composite video sources for sync presence in SDTV environments. It is suitable for applications requiring robust noise immunity and simple integration via AC coupling. Consider the open-drain output capability if multiple monitors need to share a common alarm line. Verify power supply bypassing requirements using a 0.1µF capacitor.
Video Processing Part Context
The MAX7461 belongs to Maxim Integrated's family of video interface components focused on signal integrity and synchronization verification. It serves as a specialized solution for detecting video source failures in consumer and security electronics without requiring complex external processing.
Video Processing Replacement Considerations
Consult official documentation for verified substitute part numbers before implementation.
Video Processing FAQ
How does the MAX7461 handle DC shifts in the input signal?
The device features an input clamp that corrects any DC shift on a line-by-line basis, ensuring accurate sync detection.
What is the state of the LOS output when sync is detected?
When sync pulses are detected, the open-drain LOS output enters a high-impedance state.
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