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20Gbps Multi-Channel Mux/Demux from Diodes Incorporated Facilitates Better HD/UHD Video Signal Routing
The PI3WVR14412 is fully compliant with both the DisplayPort™ 2.0 and HDMI2.1 interface standards, which are featured in the latest generation of graphics processor units (GPUs). Key applications are mobile workstations, games consoles, docking systems, notebook computers, monitors, TVs, and set-top boxes.
The PI3WVR14412 enables the routing of 4K high definition (HD) and 8K ultra-high definition (UHD) video signals while exhibiting extremely low signal attenuation. This routing can either be from two sources to a single sink or conversely a single source to dual sinks.
Use of proprietary technology is responsible for the elevated speeds attained by the PI3WVR14412. The high-speed channels of this device are also able to maintain industry-leading signal integrity characteristics. When running at 10GHz, a -2dB insertion loss and a -10dB return loss are typically witnessed. The channel-to-channel crosstalk is just -35dB and off isolation is -15dB at this frequency. Bit-to-bit skew is normally only 5ps.
Bidirectional communication is provided via the AUX channel. This means that other protocols like USB 2.0 can be supported, thereby avoiding the need for additional cabling to the host and reducing overall system costs. The wide input signal voltage range covered (0V to 3.6V) allows direct coupling of HDMI at VDD bias and DP signals at 0 bias. Fewer passive components are required, so less board real estate is needed. Hot plug detection (HPD) and display data channel (DDC) are also included, which eliminates the need for an external mux. An extended temperature range of 0°C to 105°C is supported.
These mux/demux devices are supplied in compact 40-pin TQFN packages (with 3mm x 6mm x 0.75mm dimensions), and they have a unit price of
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