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TDP20MB421

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Recontrolador DisplayPort™ 2.1 de cuatro canales con multiplexor 2:1 integrado

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TDP20MB421

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Detalles del producto

Protocols DisplayPort Rating Catalog Speed (max) (Gbps) 20 Operating temperature range (°C) -40 to 85
Protocols DisplayPort Rating Catalog Speed (max) (Gbps) 20 Operating temperature range (°C) -40 to 85
WQFN (RUA) 42 31.5 mm² 9 x 3.5
  • Four channel DisplayPort 2.1 linear redriver or repeater with integrated 2:1 MUX
  • Supports embedded (eDP) and DisplayPort 2.1 up to 20Gbps - RBR, HBRx, UHBRx
  • Supports DP++ (also called an AC-coupled HDMI) up to 24Gbps
  • Protocol agnostic, linear equalizer supporting AC coupled interfaces up to 24Gbps
  • Single 3.3V supply
  • Low 720mW active power for 4-channel operation
  • Excellent electrical performance at 20Gbps (10GHz Nyquist):
    • 19dB equalization
    • 1.8V DC linearity, 1.08V AC linearity
    • -15dB / -16dB Rx / Tx return loss
    • -60dB NEXT, -43dB FEXT crosstalk
    • 70fs low additive RJ with PRBS data
  • Low latency of 90ps
  • Transparent to DisplayPort 1.4 and 2.1 link training
  • Device configuration by pin control or SMBus / I2C
    • 18EQ boost settings, 5 flat gain settings
  • -40°C to 85°C temperature range
  • 3.5 × 9mm 42 Pin 0.5mm pitch WQFN package
  • Four channel DisplayPort 2.1 linear redriver or repeater with integrated 2:1 MUX
  • Supports embedded (eDP) and DisplayPort 2.1 up to 20Gbps - RBR, HBRx, UHBRx
  • Supports DP++ (also called an AC-coupled HDMI) up to 24Gbps
  • Protocol agnostic, linear equalizer supporting AC coupled interfaces up to 24Gbps
  • Single 3.3V supply
  • Low 720mW active power for 4-channel operation
  • Excellent electrical performance at 20Gbps (10GHz Nyquist):
    • 19dB equalization
    • 1.8V DC linearity, 1.08V AC linearity
    • -15dB / -16dB Rx / Tx return loss
    • -60dB NEXT, -43dB FEXT crosstalk
    • 70fs low additive RJ with PRBS data
  • Low latency of 90ps
  • Transparent to DisplayPort 1.4 and 2.1 link training
  • Device configuration by pin control or SMBus / I2C
    • 18EQ boost settings, 5 flat gain settings
  • -40°C to 85°C temperature range
  • 3.5 × 9mm 42 Pin 0.5mm pitch WQFN package

The TDP20MB421 is a 4-channel linear redriver with an integrated 2:1 MUX. The low-power, high-performance linear redriver is designed to support DisplayPort 2.1 up to 20Gbps.

The TDP20MB421 receivers deploy continuous time linear equalizers (CTLE) to provide a programmable high-frequency boost. The equalizer opens an input eye that is completely closed due to inter-symbol interference (ISI) induced by an interconnect medium, such as PCB traces. A CTLE receiver is followed by a linear output driver. The linear data paths of TDP20MB421 preserve the characteristics of the transmit preset. High bandwidth, low channel-to-channel crosstalk, low additive jitter, and excellent return loss make the device almost a passive element in the link. The DisplayPort link training is effective through the device as the device becomes part of the passive channel between the source Tx and sink Rx. The device transparency in the link-training protocol results in the best electrical link and lowest possible latency. The data path of the device uses an internally regulated power rail that provides high immunity to supply noise on the board.

The TDP20MB421 implements high-speed testing during production for reliable, high-volume manufacturing. The device also has low AC and DC gain variation, providing consistent equalization in high-volume platform deployment.

The TDP20MB421 is a 4-channel linear redriver with an integrated 2:1 MUX. The low-power, high-performance linear redriver is designed to support DisplayPort 2.1 up to 20Gbps.

The TDP20MB421 receivers deploy continuous time linear equalizers (CTLE) to provide a programmable high-frequency boost. The equalizer opens an input eye that is completely closed due to inter-symbol interference (ISI) induced by an interconnect medium, such as PCB traces. A CTLE receiver is followed by a linear output driver. The linear data paths of TDP20MB421 preserve the characteristics of the transmit preset. High bandwidth, low channel-to-channel crosstalk, low additive jitter, and excellent return loss make the device almost a passive element in the link. The DisplayPort link training is effective through the device as the device becomes part of the passive channel between the source Tx and sink Rx. The device transparency in the link-training protocol results in the best electrical link and lowest possible latency. The data path of the device uses an internally regulated power rail that provides high immunity to supply noise on the board.

The TDP20MB421 implements high-speed testing during production for reliable, high-volume manufacturing. The device also has low AC and DC gain variation, providing consistent equalization in high-volume platform deployment.
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* Data sheet TDP20MB421 DisplayPort 2.1 24Gbps 4-Channel Linear Redriver with 2:1 MUX datasheet PDF | HTML 02 jul 2024

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WQFN (RUA) 42 Ultra Librarian
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