MAX3966 - LED驱动器、带有可编程预偏压

MAX3966是Maxim美信半导体公司的一款光电产品产品，MAX3966是LED驱动器、带有可编程预偏压，本站介绍了MAX3966的封装应用图解、特点和优点、功能等，并给出了与MAX3966相关的Maxim元器件型号供参考。

MAX3966 - LED驱动器、带有可编程预偏压 - 光电产品 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX3966 is a programmable LED driver for fiber optic transmitters operating at data rates up to 266Mbps. The circuit contains a high-speed current driver with programmable temperature coefficient (tempco), adjustments for LED prebias voltage, and a VBB reference voltage generator. The circuit accepts PECL data inputs, and operates from a single +3V to +5.5V power supply.

The MAX3966 can switch up to 100mA into typical high-speed light-emitting diodes. As temperature increases, the device's modulation current increases with a tempco that is programmable from 2500ppm/°C to 12,000ppm/°C. The modulation current is programmed with a single external resistor.

The MAX3966's LED prebias voltage is programmable from 400mV to 925mV. The prebias circuit produces peaking current, which improves the LED switching speed.

Complementary current outputs help to maintain a constant supply current, reducing EMI and supply noise generated by the transmitter module. The MAX3966 is available in die form, or in 16-pin and 24-pin QSOP packages.

关键特性

以下关键特性由Maxim美信半导体提供：

Programmable LED Prebias Voltage

Single +3V to +5.5V Power Supply

Complementary Output Reduces Supply Noise

Adjustable Modulation Current

Adjustable Temperature Compensation

Available in 16-Pin/24-Pin QSOP or Die

热门应用

155Mbps ATM

266Mbps光纤通道

ESCON

高速以太网

FDDI

多模LED发送器

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