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