The LMH0034MA from Texas Instruments is a high-performance SDI (Serial Digital Interface) cable equalizer designed to facilitate the transmission of digital video signals over coaxial cable. This product is specifically engineered to equalize data transmitted over 75Ω coaxial cable for SDI signals up to 2.97 Gbps, making it an ideal solution for broadcast video applications.
Key Features
- Supports a wide range of data rates: 143 Mbps to 2.97 Gbps, covering SD-SDI, HD-SDI, and 3G-SDI.
- Automatic cable equalization to compensate for cable loss and extend reach up to 400m at SD-SDI, 200m at HD-SDI, and 140m at 3G-SDI.
- Integrated cable length indicator for easy assessment of cable quality and required equalization.
- Low power consumption, making it suitable for portable and battery-powered applications.
- Single 3.3V power supply operation for simplified design integration.
- Operates over the industrial temperature range of -40°C to +85°C, ensuring reliability in harsh environments.
Applications
- Professional video cameras and digital video recorders.
- Video switchers and routers.
- Video distribution amplifiers.
- Video editing and post-production equipment.
- Studio to transmitter links.
The LMH0034MA is housed in a compact 16-pin WQFN package, which minimizes the footprint on the PCB and is ideal for space-constrained applications. Its advanced features, such as the integrated cable driver, make it a versatile component in any SDI-based video system. Furthermore, the device's interoperability with other SDI equipment ensures seamless integration into existing setups.
For design engineers and system integrators looking for a reliable and efficient solution for SDI signal equalization, the LMH0034MA by Texas Instruments represents a robust choice, delivering high-quality signal integrity and performance that meets the rigorous demands of professional video applications.