DS1886

LAST TIME BUY

SFP and PON ONU Controller with Digital LDD Interface

Works with MAX3710 and MAX3711 LDD/Limiting Amp to Implement Extinction Ratio Control

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Part Details

  • Meets All SFF-8472 Control and Monitoring Requirements
  • Companion Controller for the MAX3710 Laser Driver/Limiting Amplifier and MAX3945 Limiting Amplifier
  • MAX3710/DS1886 Combination Supports Broad Spectrum of Continuous Mode and PON Applications Up to 2.5GHz
  • Temperature Lookup Table (LUT) to Compensate for APC Tracking Error and Dual Closed-Loop Variables
  • Three Laser Control Modes
    • Dual Closed Loop: Laser Bias and Laser Modulation Are Automatically Controlled with Multiple LUTs to Compensate Dual Closed-Loop Calibration Points
    • APC Loop: Laser Bias Automatically Controlled, Laser Modulation Controlled by Temperature LUT
    • Open Loop: Laser Bias and Laser Modulation Are Controlled by Temperature LUTs
  • 13-Bit ADC
    • Laser Bias, Laser Power, and Receive Power Support Internal and External Calibration
    • Differential Receive Power Input
    • Scalable Dynamic Range
    • Internal Direct-to-Digital Temperature Sensor
    • Alarm and Warning Flags for All Monitored Channels
  • 10-Bit DAC with Temperature Compensation for APD Bias
  • Digital I/O Pins: Transmit Disable Input/Output, Rate Select Input/Output, LOS Input/Output, Transmit Fault Input/Output, and IN1 Status Monitor and Fault input
  • Comprehensive Fault Measurement System with Maskable Alarm/Warnings
  • Flexible Password Scheme Provides Three Levels of Security
  • 256-Byte A0h and 128-Byte Upper A2h EEPROM
  • I²C-Compatible Interface
  • 3-Wire Master to Communicate with the MAX3710/MAX3711 Laser Driver/Limiting Amplifier and MAX3945 Limiting Amplifier
DS1886
SFP and PON ONU Controller with Digital LDD Interface
DS1886: Block Diagram
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