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MAX3266CSA Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX3266CSA Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 10 page General Description The MAX3266 is a transimpedance preamplifier for 1.25Gbps local area network (LAN) fiber optic receivers. The circuit features 200nA input-referred noise, 920MHz bandwidth, and 1mA input overload. The MAX3267 provides a pin-for-pin compatible solu- tion for communications up to 2.5Gbps. It features 500nA input-referred noise, 1.9GHz bandwidth, and 1mA input overload. Both devices operate from a +3.0V to +5.5V single sup- ply and require no compensation capacitor. They also include a space-saving filter connection that provides positive bias for the photodiode through a 1.5k Ω resistor to VCC. These features allow easy assembly into a TO-46 or TO-56 header with a photodiode. The 1.25Gbps MAX3266 has a typical optical dynamic range of -24dBm to 0dBm in a shortwave (850nm) configuration or -27dBm to -3dBm in a longwave (1300nm) configuration. The 2.5Gbps MAX3267 has a typical optical dynamic range of -21dBm to 0dBm in a shortwave configuration or -24dBm to -3dBm in a long- wave configuration. Applications Gigabit Ethernet 1Gbps to 2.5Gbps Optical Receivers Fibre Channel Features o 200nA Input-Referred Noise (MAX3266) 500nA Input-Referred Noise (MAX3267) o 920MHz Bandwidth (MAX3266) 1900MHz Bandwidth (MAX3267) o 1mA Input Overload o +3.0V to +5.5V Single-Supply Voltage 1.25Gbps/2.5Gbps, +3V to +5.5V, Low-Noise Transimpedance Preamplifiers for LANs ________________________________________________________________ Maxim Integrated Products 1 OUT- GND FILTER 1 2 8 7 GND OUT+ N.C. IN VCC SO TOP VIEW 3 4 6 5 MAX3266 MAX3267 0.01 µF PHOTODIODE 1.5k VCC VCC GND FILTER IN 0.1 µF OUT+ OUT- 0.1 µF CFILTER 400pF 100 Ω MAX3266 MAX3267 LIMITING AMPLIFIER Typical Application Circuit 19-4796; Rev 1; 6/00 PART MAX3266CSA MAX3266C/D — 0°C to +70°C TEMP. RANGE PIN-PACKAGE 8 SO Dice* EVALUATION KIT AVAILABLE *Dice are designed to operate over a -40°C to +140°C junction tem- perature (Tj) range, but are tested and guaranteed at TA = +25°C. Pin Configuration Ordering Information MAX3267CSA MAX3267C/D — 0°C to +70°C 8 SO Dice* MAX3267ESA -40°C to +85°C 8 SO MAX3267E/D — Dice* For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. |
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