High-speed video multiplexers from Texas Instruments
Texas Instruments has introduced three high-speed video multiplexers, combining wide bandwidth, high slew rate, fast switching time, and low switching glitch to optimize performance in professional video applications. High-speed multiplexers are used to switch between multiple sources in applications such as projectors, monitors and routers. Beyond video, the device can also be used in other high-speed signal multiplexing applications.
The devices feature industry-leading wide bandwidth and fast slew rate, which allows the multiplexing of large amounts of data, such as high resolution professional video signals, at higher speeds than previous generations. For example, the OPA875 single-channel and OPA3875 three channel 2:1 multiplexers feature a small signal bandwidth of 700 MHz with a slew rate of 3100 V/us which supports a large signal bandwidth of 425 MHz at 4Vpp. The OPA4872 single-channel 4:1 multiplexer offers a slew rate of 2300 V/us for a bandwidth of 500 MHz at 2 Vpp.
In addition to these high speed capabilities the devices use a patented low glitch switching technique to enable fast and seamless multiplexing of high-speed signals.