With integrated display data channel (DDC) listeners, Diodes’ 3.3-V, quad-channel hybrid ReDrivers preserve HDMI signal integrity for high-resolution video transmission. The PI3HDX12311 supports HDMI 2.1 fixed rate link (FRL) signaling up to 12 Gbps and transition-minimized differential signaling (TMDS) up to 6 Gbps. The PI3HDX6311 supports HDMI 2.0 at up to 6 Gbps.
Both devices operate in either limited or linear mode. In HDMI 1.4 applications, they function as limited redrivers, using a predefined differential output swing—set via swing control—to maintain HDMI-compliant levels at the receptacle. For HDMI 2.0 and 2.1, they switch to linear mode, where the output swing scales with the input signal, effectively acting as a trace canceller. This mode remains transparent to link training signals and, in the PI3HDX12311, supports 8K video resolution and data rates up to 48 Gbps (12 Gbps per channel).
The PI3HDX12311 and PI3HDX6311 provide Dual-Mode DisplayPort (DP++) V1.1 level shifting and offer flexible coupling options, allowing AC, DC, or mixed coupling on both input and output signals. To reduce power consumption, the devices monitor the hot-plug-detect (HPD) pin and enter a low-power state if HPD remains low for more than 2 ms.
In 3500-unit quantities, the PI3HDX12311 costs $0.99 each, and the PI3HDX6311 costs $0.77 each.
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