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MAX3741ETE Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX3741ETE Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 10 page General Description The MAX3741 is a high-speed VCSEL driver for small- form-factor (SFF) and small-form-factor pluggable (SFP) fiber-optic LAN transmitters. It contains a bias generator, laser modulator, and peaking current option to improve VCSEL edge speed. The driver accommodates common cathode and differential configurations. The MAX3741 operates up to 3.2Gbps. It can switch up to 15mA of laser modulation current and source up to 15mA of bias current. The MAX3741 is designed to inter- face with a digital potentiometer and control circuitry. The MAX3741 accommodates various VCSEL packages, including low-cost TO-46 headers. The MAX3741 is available in a compact 3mm x 3mm 16-pin thin QFN package and operates over a tempera- ture range of -40°C to +85°C. Applications Multirate (1Gbps to 3.2Gbps) SFP/SFF Modules Gigabit Ethernet Optical Transmitters Fibre Channel Optical Transmitters Features o 2mA to 15mA Modulation Current o 1mA to 15mA Bias Current o Optional Peaking Current to Improve VCSEL Edge Speed o Supports Common Cathode and Differential Configuration o 3mm × 3mm 16-Pin Thin QFN Package 3.2Gbps Compact SFP VCSEL Driver ________________________________________________________________ Maxim Integrated Products 1 EXPOSED PAD IS CONNECTED TO GND. 16 1 2 3 4 12 11 10 9 15 14 13 56 7 8 BIASMON OUT+ OUT- VCC IN+ IN- N.C. TX_DISABLE TOP VIEW MAX3741 3mm x 3mm THIN QFN Pin Configuration Ordering Information THIS SYMBOL REPRESENTS A TRANSMISSION LINE OF CHARACTERISTIC IMPEDANCE Zo = 50 Ω. * FERRITE BEAD, MURATA BLM18HD102SN1B VCC PEAKSET MODSET GND IN+ IN- TX_DISABLE RBIASSET RMODSET RPEAKSET BIASSET +3.3V 0.01 µF 0.1 µF 0.1 µF 0.01 µF L1* BIAS OUT- OUT+ BIASMON 50 Ω 0.01 µF MAX3741 RMON Typical Application Circuit 19-2597; Rev 1; 5/04 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. PART TEMP RANGE PIN- PACKAGE PKG. CODE MAX3741ETE -40 °C to +85°C 16 Thin QFN T1633F-3 |
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