Maxim Integrated MAX7456EUI Monochrome On-Screen Display

The MAX7456EUI from Maxim Integrated is a highly integrated monochrome on-screen display (OSD) generator, designed to simplify the process of embedding display graphics into video signals for a wide array of applications. This single-chip solution is perfect for adding character-based visuals to any video source, making it ideal for use in security systems, video cameras, and telemetry applications.

The MAX7456EUI overlays 256 user-definable characters or icons in NTSC/PAL video signals in real-time, without the need for an external frame buffer. It includes an integrated EEPROM memory that allows users to customize the character set and store up to 64 user-defined characters. The built-in sync generation allows a complete on-screen display to be created without an external video source.

Featuring a wide operating voltage range from 4.5V to 5.5V, the MAX7456EUI is versatile and can be powered by various sources, ensuring compatibility with a broad spectrum of video equipment. The device supports both horizontal and vertical video filtering, which helps to produce a clear and stable image on the screen.

The MAX7456EUI operates over an extended temperature range of -40°C to +85°C, making it robust and reliable for use in harsh environments. This OSD generator comes in a 28-pin TSSOP package, which is compact and suitable for space-constrained applications.

Interfacing with microprocessors is made easy through an SPI-compatible serial interface. This feature allows for simple integration with existing systems and control over the OSD features with minimal additional components. The MAX7456EUI also includes a video buffer amplifier with programmable gain, further reducing the need for external circuitry.

For developers and system integrators looking to enhance their video applications with dynamic on-screen information, the MAX7456EUI offers a cost-effective and easy-to-use solution. Maxim Integrated provides comprehensive support, including detailed datasheets and application notes, to assist in the rapid deployment of the MAX7456EUI in your next project.