Built-in 12G UHD-SDI 75Ω Bidirectional I/O 'LMH1297'
The LMH1297 can use a single BNC as an input/output port, making it easier to design UHD video hardware. It can be configured in input mode as an adaptive cable equalizer and in output mode as a dual cable driver. The built-in reclocker automatically locks to all SMPTE data rates up to 11.88Gbps in both modes. The bidirectional I/O features on-chip 75Ω termination and return loss compensation networks, meeting SMPTE's strict return loss requirements. An additional 75Ω driver output supports various system functions. In EQ (equalizer) mode, this second 75Ω driver can be used as a loop-through output. In CD (cable driver) mode, this 75Ω driver can be used as a second fan-out cable driver. The host-side 100Ω driver can be used as a loopback output in CD mode for monitoring purposes. *For more details, please contact us.
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basic information
**Features** - User-configurable adaptive cable equalizer/cable driver with built-in reclocker - Supports ST-2082-1 (12G), ST-2081-1 (6G), ST-424 (3G), ST-292 (HD), ST-259 (SD) - DVB-ASI and AES10 (MADI) compatible - Locks SMPTE rates at 11.88Gbps, 5.94Gbps, 2.97Gbps, 1.485Gbps - Equalizer Mode - Adaptive cable equalizer with built-in reclocker - 100Ω output driver with de-emphasis - Reclocked 75Ω loop-through output - Cable Driver Mode - Dual differential output cable driver with built-in reclocker - Adaptive PCB input equalizer - Reclocked 100Ω loopback output - Automatic pre-emphasis and slew rate control at 75Ω output - Polarity inversion at 75Ω and 100Ω outputs - Programmable via pin, SPI, and SMBus interfaces - Operating temperature range: -40℃ to +85℃ - 32-pin QFN package measuring 5mm square *For more details, please contact us.*
Applications/Examples of results
【Usage】 ■ SMPTE compatible serial digital interface ■ UHDTV/4K/8K/HDTV/SDTV video ■ IP media gateway ■ Digital video processing/editing, etc. *For more details, please contact us.
Company information
Texas Instruments (Headquarters: Dallas, Texas, USA; Chairman, President, and CEO: Rich Templeton; Abbreviation: TI) supports customers in developing new electronic devices that make the world "more convenient, healthier, safer, environmentally friendly, and enjoyable," and works together to solve challenges. TI has manufacturing, design, and sales locations in over 30 countries worldwide and continues to pursue innovation. TI's analog ICs and embedded processing support everyday life from behind the scenes in a society overflowing with digital devices. The company is actively investing in products and technologies for markets that will become increasingly important in the future, such as the environment, energy, healthcare, medical devices, and security. Technical Inquiry Contact TI Japan Product Information Center 【http://www.tij.co.jp/pic/】
