The DS100KR800 device is a high performance repeater designed to support 8-channel (unidirectional), 10G-KR, and other high-speed interface serial protocols up to 10.3 Gbps. The continuous time linear equalizer (CTLE) of the receiver provides a boost of up to 36 dB at 5 GHz (10.3125 Gbps) in each of its eight channels. This equalizer is capable of opening an input eye that is completely closed due to inter symbol interference (ISI) induced by interconnect medium such as long backplanes or cables. The transmitter provides a de-emphasis boost of up to –12 dB and output voltage amplitude control from 700 mV to 1300 mV.

When operating in 10G-KR mode, the DS100KR800 transparently allows the host controller and the end point to optimize the full link and negotiate transmit equalizer coefficients as defined in the 802.3ap standard. This seamless management of the link training protocol ensures system level interoperability with minimum latency.

The programmable settings can be applied through pin settings, SMBus (I²C) protocol or an external EEPROM. When operating in the EEPROM mode, the configuration information is automatically loaded on power-up. This eliminates the need for an external microprocessor or software driver.

• Comprehensive Product Family:
  • DS125BR820: 8-Channel Repeater
  • DS125BR401A: 4x Lane Repeater
  • DS125BR111: 1x Lane Repeater
• Transparent Management of 10G-KR (802.3ap) Link Training Protocol
• 65 mW/Channel (Typical) Power Consumption
• Advanced Signal Conditioning Features
  • Receive Equalization up to 36 dB at 5 GHz
  • Transmit De-emphasis up to –12 dB
  • Transmit Voltage Control: 700 mV to 1300 mV
• Programmable Through Pin Selection, EEPROM or SMBus Interface
• Selectable 2.5-V or 3.3-V Supply Voltage
• –40°C to +85°C Operating Temperature Range
• Flow-thru Pinout in Leadless WQFN Package

• Type
• Redriver
• Number of channels (#)
• 8
• Input compatibility
• AC-coupling, CML
• Speed (Max) (Gbps)
• 10.3
• Protocols
• 10G-SR/LR, 10G-KR, 40G-SR4/LR4, 40G-KR4, Infiniband, Fibre Channel, CPRI, OBSAI, Interlaken, sRIO, General purpose
• Operating temperature range (C)
• -40 to 85

DS100KR800的完整型号有：DS100KR800SQ/NOPB、DS100KR800SQE/NOPB，以下是这些产品的关键参数及官网采购报价：

DS100KR800SQ/NOPB，工作温度：-40 to 85，封装：WQFN (NJY)-54，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：SN，TI官网DS100KR800SQ/NOPB的批量USD价格：8.756（1000+）

DS100KR800SQE/NOPB，工作温度：-40 to 85，封装：WQFN (NJY)-54，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：SN，TI官网DS100KR800SQE/NOPB的批量USD价格：10.507（1000+）

DS100KR800EVK — DS100KR800EVK 评估板

The DS100KR800EVK evaluation board allows the user to examine the signal conditioning capabilities of the DS100KR800 device using SMAs. The board offers simple pin configuration settings that allows the user to optimize the signal conditioning settings.

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