SFP+ Controller With Digital LDD Interface

The DS1874 controls and monitors all functions for SFF, SFP, and SFP+ modules including all SFF-8472 functionality. The combination of the DS1874 with the MAX3798/MAX3799 Laser Driver Limiting Amplifier provides APC loop, modulation current control, and eye safety functionality. The DS1874 continuously monitors for high output current, high bias current, and low and high transmit power to ensure that laser shutdown for eye safety requirements are met without adding external components. Six ADC channels monitor VCC, temperature, and four external monitor inputs (MON1–MON4) that CAN be used to meet all monitoring requirements. MON3 is differential with support for common mode to VCC. Two digital-to-analog (DAC) outputs with temperature-indexed lookup tables (LUTs) are available for additional monitoring and control functionality. By Maxim Integrated Products
DS1874 's PackagesDS1874 's pdf datasheet
DS1874T-

DS1874 pdf datasheet download


DS1874 Pinout, Pinouts
DS1874 pinout,Pin out
This is one package pinout of DS1874,If you need more pinouts please download DS1874's pdf datasheet.

DS1874 Application circuits
DS1874 circuits
This is one application circuit of DS1874,If you need more circuits,please download DS1874's pdf datasheet.


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