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D571-20A Dataheets PDF



Part Number D571-20A
Manufacturers Agere Systems
Logo Agere Systems
Description D571-Type Digital 1.5 m m Uncooled DFB FastLight Laser Module
Datasheet D571-20A DatasheetD571-20A Datasheet (PDF)

Advance Data Sheet April 2000 D571-Type Digital 1.5 µm Uncooled DFB FastLight ™ Laser Module s s s Hermetically sealed active components Internal back-facet monitor Qualification program: Telcordia Technologies * TA-983 * Telcordia Technologies is a trademark of Bell Communications Research, Inc. Applications s Long-reach SONET OC-3/STM-1, OC-12/STM-4 systems Telecommunications Secure digital data systems The low-profile D571-Type Laser Module is ideally suited for short- and long-haul SONET.

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Advance Data Sheet April 2000 D571-Type Digital 1.5 µm Uncooled DFB FastLight ™ Laser Module s s s Hermetically sealed active components Internal back-facet monitor Qualification program: Telcordia Technologies * TA-983 * Telcordia Technologies is a trademark of Bell Communications Research, Inc. Applications s Long-reach SONET OC-3/STM-1, OC-12/STM-4 systems Telecommunications Secure digital data systems The low-profile D571-Type Laser Module is ideally suited for short- and long-haul SONET and other high-speed digital applications. nt 0A 6 ce -1 03 Lu 71 51 D5 -L6 N S/ s s Benefits s s s s Easily board mounted Requires no lead bending No additional heat sinks required Pin compatible with industry-standard 14-pin laser module Highly efficient DFB-MQW laser structure allows for lower threshold and drive currents, and reduced power consumption Features s s Eight-pin package suitable for SONET/SDH applications Narrow linewidth, distributed-feedback, multiquantum-well (DFB-MQW), 1510 nm or 1550 nm laser with single-mode fiber pigtail Available in narrow and wide temperature ranges No TEC required High output power: — Typical 2.0 mW peak power coupled into singlemode fiber — 1.0 mW devices are also available s Description The D571-Type Uncooled Laser Module consists of a laser diode coupled to a single-mode fiber pigtail. The device is available in a standard, 8-pin configuration (see Figure 1 and/or Table 1) and is ideal for long-reach (SONET) and other high-speed digital applications. The laser diode is a narrow linewidth (<1 nm) DFBMQW single-mode laser and an InGaAs PIN photodiode back-facet monitor in an epoxy-free, hermetically sealed package. s s s D571-Type Digital 1.5 µm Uncooled DFB FastLight Laser Module Advance Data Sheet April 2000 qualified for the central office and uncontrolled environments, and can be used for applications requiring high performance and low cost. Table 1. Pin Descriptions Pin Number 1 2 3 4 5 6 7 8 Connection NC/Reserved Case ground NC/Reserved Photodiode cathode Photodiode anode Laser diode cathode Laser diode anode NC/Reserved Description (continued) The device characteristics listed in this document are met at 2.0 mW output power. Higher- or lower-power operation is possible. Under conditions of a fixed photodiode current, the change in optical output is typically ±0.5 dB over an operating temperature range of –40 °C to +85 °C. This device incorporates the new Laser 2000 manufacturing process developed by the Optoelectronic unit of Lucent Technologies Microelectronics Group. Laser 2000 is a low-cost platform that targets high-volume manufacturing and tighter product distributions on all optical subassemblies. The platform incorporates an advanced optical design that is produced on a highly automated production line. The Laser 2000 platform is 4 3 2 1 5 6 7 8 1-900 (C) Figure 1. D571-Type Digital Uncooled DFB Flat-PAC Laser Module Schematic, Top View Absolute Maximum Ratings Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended periods can adversely affect device reliability. Parameter Maximum Peak Laser Drive Current or Maximum Fiber Power* Peak Reverse Laser Voltage: Laser Monitor Monitor Forward Current Operating Case Temperature Range Storage Case Temperature Range Lead Soldering Temperature/Time Relative Humidity (noncondensing) * Rating varies with temperature. Symbol IOP PMAX VRL VRM IFD TC Tstg — RH Min — — — — — –40 –40 — — Max 150 10 2 20 2 85 85 260/10 85 Unit mA mW V V mA °C °C °C/s % 2 Lucent Technologies Inc. Advance Data Sheet April 2000 D571-Type Digital 1.5 µm Uncooled DFB FastLight Laser Module Handling Precautions CAUTION: This device is susceptible to damage as a result of electrostatic discharge (ESD). Take proper precautions during both handling and testing. Follow guidelines such as JEDEC Publication No. 108-A (Dec. 1988). Although protection circuitry is designed into the device, take proper precautions to avoid exposure to ESD. Electro-Optical Characteristics Table 2. Electro-Optical Characteristics (over operating temperature range unless otherwise noted) Parameter Operating Temperature Range Optical Output Power* Threshold Current Symbol T PF ITH Test Conditions — CW, nominal T = 25 °C T = full range T = –10 °C to + 70 °C CW, PF = 2.0 mW, T = 25 °C CW, IMON = constant, T = full range F CW, P = 2.0 mW, T = 25 °C PF = 2.0 mW, CW PF = 2.0 mW, CW PF = 2.0 mW, 622 Mbits/s CW, PF = 2.0 mW IMON = constant, CW I = (0.9) ITH 10%—90% pulse T = 25 °C CW — § VR = 5 V VR§ = 5 V — Min –40 — 5 2 2 15 7.5 57 1525 1500 — 30 –1.5 — — — 3 100 — — Typ — 2 — — — — — — — — — 40 — — 0.25 1.1 — — 10 0.09 Max 85 — 15 60 50 35 60† 133 1570 1520 1 — 1.5 100 0.5 1.6 8 1000 20.


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