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產品介紹

PS8401_HDMI Jitter Cleaning Repeater
The PS8401 is an HDMI™ repeater that removes jitter and fully supports HDMI 1.4b by supporting up to 300MHz TMDS™ clock rate. The device integrates a jitter tolerant TMDS receiver and a jitter cleaning TMDS transmitter for HDMI repeater applications. It removes both the data and clock jitter and the timing skews from the TMDS input to deliver a compliant and very low jitter HDMI output.


The PS8401 is ideal for Source, Sink and repeater device applications where jitter attenuation is needed. Such requirement might exist in a Source to remove Tx jitter and/or induced media (transmission path) jitter in order to meet HDMI output jitter requirements, especially at higher TMDS clock rates. It can also be used within a switch or Sink as a repeater function to improve signal integrity. Signal integrity can be further optimized through the use of the PS8401’s programmable input equalization and output pre-emphasis controls.

The PS8401 can accept either an AC or DC coupled input signal.


Key Features

► Clock and Data Jitter Cleaning – 12dB Jitter Attenuation performance for out-of-band HDMI clock jitter

► CrystalFree technology – no external crystal or reference clock is needed

► Compliant to HDMI 1.4b specification up to 3.0Gbps (300MHz TMDS Clock)

► Supports 4K x 2K and 1080p Stereo 3D HDMI formats which require 2.97Gbps (297MHz TMDS clock) operation

► AC input coupling capable for level shifting applications

► DC input coupling capable for repeater applications

► Programmable receiver equalization

► Programmable TMDS output pre-emphasis and EMI reduction

► Automatic inter-pair and intra-pair de-skewing

► Automatic power down management

► Automatic output squelch circuit for fail-safe operation and power management

► Flexible pin and I2C control mode options

► Requires 3.3V and 1.5V power supplies

► 5x5mm 40-pin TQFN package

► 0° to 70°C operating temperature range

► ESD: HBM 8 kV
 

Applications

► PC mother board or graphics card

► Dual-mode DisplayPort to HDMI/DVI Cable Adapters

► Cable extension with active repeater

► DVD Players or Set-top boxes

► Game console

► AV receivers


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