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