DESCRIPTION
The X9530 is a highly integrated laser diode bias controller which incorporates two digitally controlled Programmable Current Generators, temperature compensation with dedicated look-up tables, and supplementary EEPROM array. All functions of the device are controlled via a 2-wire digital serial interface.

FEATURES
• Compatible with Popular Fiber Optic Module
   Specifications such as Xenpak, SFF, SFP, and
   GBIC
• Package
   —14 Pin TSSOP
   —15 Lead 2.7 x 3.5mm CSP (Chip-Scale
      Package)
• Two Programmable Current Generators
   —±1.6 mA max.
   —8-bit (256 Step) Resolution
• Integrated 6 bit A/D Converter
• Temperature Compensation
   —Internal or External Sensor
   —–40°C to +100°C Range
   —2.2°C / step resolution
   —EEPROM Look-up Tables
• Hot Pluggable
• 2176-bit EEPROM
   —17 Pages
   —16 Bytes per Page
• Write Protection Circuitry
   —Xicor BlockLock™
   —Logic Controlled Protection
   —2-wire Bus with 3 Slave Address Bits
• 3 V to 5.5 V, Single Supply Operation
   LASER DIODE BIAS CONTROL APPLICATIONS
• SONET and SDH Transmission Systems
• 1G and 10G Ethernet, and Fibre Channel Laser
   Diode Driver Circuits