SY88802

Micrel 5V 155Mbps LASER DIODE DRIVER WITH OUTPUT ENABLE SY88802 SY88802 FEATURES s s s s s s Up to 155Mbps operation Modulation current to 25mA PECL output enable Differential PECL inputs Single 5V power supply Available in a tiny 10-pin (3mm) MSOP DESCRIPTION The SY88802 is a high speed current switch for driving a semiconductor laser diode in optical transmission applications. The modulation current (IOUT) is controlled by the current (IRSET) through the external resistor RSET. The output OUT is HIGH and no current flows through OUT when output enable is HIGH. The device incorporates complementary open collector outputs with 25mA maximum current driving capability. The external resistor R EXT must be placed between /OUT and VCC to dissipate the worst case power. RSER is recommended to compensate for laser diode matching issues. The SY88802 utilizes the high performance bipolar ASSET™ technology. APPLICATIONS s 155Mbps SONET www.DataSheet4U.com FUNCTIONAL BLOCK DIAGRAM VCC REXT /OUT OUT RSER DIN /DIN Internal Logic to Laser Diode IMOD /EN 40X VCC GND VEE VREF RSET RSET ASSET is a trademark of Micrel, Inc. Rev.: A Amendment: /0 1 Issue Date: March 2003 Micrel SY88802 PACKAGE/ORDERING INFORMATION Ordering Information /EN 1 DIN 2 /DIN 3 VREF 4 RSET 5 10 VCC 9 OUT 8 /OUT 7 GND 6 GND Part Number SY88802KC SY88802KCTR* SY88802KI SY88802KITR* *Tape and Reel Package Type K10-1 K10-1 K10-1 K10-1 Operating Range Commercial Commercial Industrial Industrial Pa...