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General Description

The SL82818 is a 4-channel, high performance transimpedance amplifier (TIA) with integrated TMDS output driver optimized for being connected to TMDS receiver inputs at standard DVI or HDMI links.
The amplifier is designed in standard CMOS. It operates completely without any external power supply by simply being supplied by the common mode voltage of the TMDS receiver inputs.
The SL82818 features a low input referred noise, which enables a
BER of 10-12 at 3.4 Gbps for an input current of 10 App.
This allows for an optical input sensitivity of about -18 dBm if connected to a typical photodiode.
As an additional feature the SL82818 integrates an input current mirror function, which allows the received input power to be determined.
To facilitate assembly in small form factor packages the SL82818 integrates the photodiode filter network on chip.

Main Features

  • Multi-bit rate capable: up to 4 x 3.4 Gbps

  • Integrated input current mirror function

  • No external components

  • No external supply voltage necessary:
    operates completely from the common mode voltage supplied by the TMDS receiver inputs

  • High ESD protection at TMDS outputs: 8 kV (HBM)

Click on the drawing to enlarge


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