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MAX3987 8.5Gbps Quad Equalizer

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MAX3987 8.5Gbps Quad Equalizer and Preemphasis Driver

The MAX3987 is a 4-channel receive and transmit equalizer (EQ). It compensates for transmission medium losses encountered with FR4 stripline/microstrip and/or high-speed cable. The device can be used at the beginning, middle, or end of a channel. The input equalization requires no setting, and the output preemphasis (PE) is programmable.

For each channel, the preemphasis level, output drive level, output polarity, and powering down of unused outputs are programmable through an I²C serial interface. It can also be configured globally through pins.

The device operates from a 2.5V or 3.3V supply, and is packaged in a 7mm x 7mm, 48-pin TQFN.

關鍵特性

Up to 8.5 NRZ Data Speed

Receive Equalization Up to 30in FR4

Preemphasis Drive Up to 30in FR4

Global and Individual Programming of Preemphasis, Output Drive Levels, Polarity Inversion, and Offset Cancellation

Signal Detect and Internal Output Squelch

Compliant with SAS/SATA Revision 2.x OOB

Coding Independent, 8B/10B, 64B/66B, Scrambled, and Others

Differential CML Data-Output Drive

I²C Serial Interface and Pin Programmable

Software Power-Down of Unused Outputs

0.5W Typical Power Dissipation for Drive Level 1 at V_CC = 2.5V

High-Performance, Lead-Free, 7mm x 7mm, 48-Pin TQFN Package

應用/使用

FR4和電纜均衡
	預加重和接收均衡器
	轉接驅動器
	XAUI and XAUI2, Fibre Channel, Interlaken, InfiniBand®, SAS/SATA Revision 2.x OOB, PCIe® Compatible

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MAX3987 8.5Gbps Quad Equalizer

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