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TDP2004

ACTIVE

4-channel DisplayPort 2.1 redriver

Product details

Type Redriver Protocols DisplayPort Rating Catalog Speed (max) (Gbpp) 20 Number of channels 4 Operating temperature range (°C) -40 to 85
Type Redriver Protocols DisplayPort Rating Catalog Speed (max) (Gbpp) 20 Number of channels 4 Operating temperature range (°C) -40 to 85
WQFN (RNQ) 40 24 mm² 6 x 4
  • Supports DisplayPort 2.1 up to 20Gbps - RBR, HBRx, UHBRx
  • Protocol agnostic linear equalizer supporting most AC coupled interfaces up to 20Gbps
  • Excellent electrical performance at 20Gbps (10GHz Nyquist):
    • 19dB equalization
    • 1.8V DC linearity, 1.08V AC linearity
    • –15 / –16dB Rx / Tx return loss
    • –60dB NEXT, –43dB FEXT cross talk
    • 70fs low additive RJ with PRBS data
  • Transparent to DisplayPort 1.4 and 2.1 link training
  • Single 3.3V supply with low active power: 160mW / channel
  • Internal voltage regulator provides immunity to supply noise
  • High linearity easing DP compliance ratio tests
  • High channel BW resulting excellent linear EQ curves
  • Pin-strap, I2C or EEPROM programming
    • 18 EQ boost settings
    • 5 flat gain settings
  • TDP2004: 0°C to 70°C commercial temperature
  • TDP2004I: –40°C to 85°C industrial temperature
  • 4mm × 6mm, 40 pin WQFN package
  • Supports DisplayPort 2.1 up to 20Gbps - RBR, HBRx, UHBRx
  • Protocol agnostic linear equalizer supporting most AC coupled interfaces up to 20Gbps
  • Excellent electrical performance at 20Gbps (10GHz Nyquist):
    • 19dB equalization
    • 1.8V DC linearity, 1.08V AC linearity
    • –15 / –16dB Rx / Tx return loss
    • –60dB NEXT, –43dB FEXT cross talk
    • 70fs low additive RJ with PRBS data
  • Transparent to DisplayPort 1.4 and 2.1 link training
  • Single 3.3V supply with low active power: 160mW / channel
  • Internal voltage regulator provides immunity to supply noise
  • High linearity easing DP compliance ratio tests
  • High channel BW resulting excellent linear EQ curves
  • Pin-strap, I2C or EEPROM programming
    • 18 EQ boost settings
    • 5 flat gain settings
  • TDP2004: 0°C to 70°C commercial temperature
  • TDP2004I: –40°C to 85°C industrial temperature
  • 4mm × 6mm, 40 pin WQFN package

The TDP2004 is a four-channel low-power high-performance linear repeater or redriver designed to support DisplayPort 2.1 up to 20Gbps.

The TDP2004 receivers deploy continuous time linear equalizers (CTLE) to provide a programmable high-frequency boost. The equalizer can open an input eye that is completely closed due to inter-symbol interference (ISI) induced by an interconnect medium, such as PCB traces. The CTLE receiver is followed by a linear output driver. The linear data-paths of TDP2004 preserve transmit preset signal characteristics. High bandwidth, low channel-to-channel cross-talk, low additive jitter and excellent return loss makes the device almost a passive element in the link, but with useful equalization. The DisplayPort link training is effective through the linear redriver that becomes part of the passive channel in between source Tx and sink Rx. This transparency in the link training protocol results in optimum electrical link and lowest possible latency. The data-path of the device uses an internally regulated power rail that provides high immunity to any supply noise on the board.

The device also has low AC and DC gain variation providing consistent equalization in high volume platform deployment.

The TDP2004 is a four-channel low-power high-performance linear repeater or redriver designed to support DisplayPort 2.1 up to 20Gbps.

The TDP2004 receivers deploy continuous time linear equalizers (CTLE) to provide a programmable high-frequency boost. The equalizer can open an input eye that is completely closed due to inter-symbol interference (ISI) induced by an interconnect medium, such as PCB traces. The CTLE receiver is followed by a linear output driver. The linear data-paths of TDP2004 preserve transmit preset signal characteristics. High bandwidth, low channel-to-channel cross-talk, low additive jitter and excellent return loss makes the device almost a passive element in the link, but with useful equalization. The DisplayPort link training is effective through the linear redriver that becomes part of the passive channel in between source Tx and sink Rx. This transparency in the link training protocol results in optimum electrical link and lowest possible latency. The data-path of the device uses an internally regulated power rail that provides high immunity to any supply noise on the board.

The device also has low AC and DC gain variation providing consistent equalization in high volume platform deployment.

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Technical documentation

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Type Title Date
* Data sheet TDP2004 Four-Channel 20Gbps DisplayPort 2.1 Linear Redriver datasheet (Rev. A) PDF | HTML 18 Apr 2024
Application note TDP2004 Configuration Guide PDF | HTML 22 Jul 2024
Application note TDP2004 Schematic Checklist PDF | HTML 22 Jul 2024
EVM User's guide TDP2004 Evaluation Module User's Guide (Rev. A) PDF | HTML 06 Mar 2024

Design & development

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Evaluation board

TDP2004EVM — TDP2004 evaluation module

The TDP2004 evaluation module (EVM) is created to help users evaluate the TDP2004 for video applications with display port (DP) interfaces. This EVM can also be used as a hardware reference design for implementations of the TDP2004.
User guide: PDF | HTML
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
User guide: PDF
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WQFN (RNQ) 40 Ultra Librarian

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