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CBTL05023 - Multiplexer/demultiplexer switch

Description

The CBTL05023 is a multiplexer/demultiplexer switch chip for DisplayPort v1.2 signals and the control signals of a 10 Gbit/s channel.

The 10 Gbit/s channel does not pass through this switch.

Features

  • 2.1 AUX MUX 2 : 1 switch.
  • This 2 : 1 switch is controlled by CA_DET signal multiplexing of the 1 Mbit/s differential AUX and DDC (Direct Display Control) signals.
  • When CA_DET is HIGH, DDC path is selected.
  • Differential AUX channel:.
  • Low insertion loss: 0.5 dB at 5 MHz.
  • Low return loss: 19 dB at 5 MHz.
  • Low ON-state resistance: 7.5 .
  • Bandwidth: 5 GHz.
  • Low off-state isolation: 75 dB at 5 MHz.
  • Low crosstalk: 40 dB at 5 MHz.
  • Common-mode input vol.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CBTL05023 Multiplexer/demultiplexer switch for Thunderbolt applications Rev. 5 — 15 July 2013 Product data sheet 1. General description The CBTL05023 is a multiplexer/demultiplexer switch chip for DisplayPort v1.2 signals and the control signals of a 10 Gbit/s channel. The 10 Gbit/s channel does not pass through this switch. This chip provides BIASOUT output control signal, and the DC-biasing pull-down resistors to facilitate an external 10 Gbit/s channel. The AUX MUX is a 2 : 1 switch with CA_DETect pin selecting between AUX and DDC (Direct Display Control) signals. The DP MUX is a 2 : 1 switch that selects between DPML (DisplayPort Main Link) and LSTX/LSRX signals. This chip also includes three control signal buffers: HPDOUT, CA_DETOUT and BIASOUT. CBTL05023 is powered by a 3.
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