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CX02068G-TQ32 bảng dữ liệu(PDF) 1 Page - M/A-COM Technology Solutions, Inc. |
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CX02068G-TQ32 bảng dữ liệu(HTML) 1 Page - M/A-COM Technology Solutions, Inc. |
1 / 18 page 02068-DSH-001-C Mindspeed Technologies ® April 2006 Mindspeed Proprietary and Confidential The CX02068 is a highly integrated, programmable laser driver intended for Telecom applications up to 622 Mbps. Using differential PECL data, the CX02068 supplies the bias and modulation current for driving an edge-emitting laser. The modulation output can be DC-coupled to the laser diode, giving a significant power saving over AC- coupled operation. The CX02068 includes automatic power control (APC) to maintain a constant average laser output power over temperature and life. In addition, the modulation current is temperature compensated to minimize variation in extinction ratio over temperature. Output flags indicate laser end of life as well as failure of the APC circuitry to maintain average output power. Features • Rise and fall times <180 ps • Operates with +3.3 volt supply • DC or AC-coupled modulation drive. • Independently programmable laser bias (to 100 mA) and modulation currents (to 85 mA). • Automatic laser power control, with programmable temperature compensation and ‘Slow-Start’. • Bias and modulation current monitors • Failure monitor • Available in BCC+24 , TQFP32 and DIE packages • Available in RoHS compliant packages Applications • OC-3/STM1, SONET/SDH • OC-12/STM4, SONET/SDH •ATM • FTTH Functional Block Diagram X100 X55 Failure Detect DIS ENA 55 55 FAIL X1 OCA DIN BIAS MON MOD MON OUT- OUT+ V DD IBIAS RMPCSET V DD CMPC V REF PD OCA SET RD GNDA R SHUNT C SHUNT I BIAS DIN IMOD PP Revision Information This document contains information that is subject to change without notice. Contact Technical Publications for latest revision information. CX02068 3.3 Volt Laser Driver IC for 155/622 Mbps |
Số phần tương tự - CX02068G-TQ32 |
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Mô tả tương tự - CX02068G-TQ32 |
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