Datasheet4U Logo Datasheet4U.com

DS1875 Datasheet Pon Triplexer And Sfp Controller

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: Rev 1; 10/08 .. PON Triplexer and SFP Controller General.

General Description

The DS1875 controls and monitors all functions for burstmode transmitters, APD receivers, and video receivers.

It also includes a power-supply controller for APD bias generation, and provides all SFF-8472 diagnostic and monitoring functionality.

The bined solution of the DS1875 and the MAX3643 laser driver provides APC loop, modulation current control, and eye safety functionality.

Key Features

  • Meets All PON Burst-Timing Requirements for Burst-Mode Operation.
  • Laser Bias Controlled by APC Loop and Temperature Lookup Table (LUT).
  • Laser Modulation Controlled by Temperature LUT.
  • Six Total DACs: Four External, Two Internal.
  • Two 8-Bit DACs, One of Which is Optionally Controlled by MON4 Voltage.
  • Internal 8-Bit DAC Controlled by a TemperatureIndexed LUT.
  • PWM Controller.
  • Boost or Buck Mode.
  • Boost Mode: Uses Option.

DS1875 Distributor