SN75LPE185DW

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SN75LPE185DW is an ultra-low power quad differential line driver that targets high-speed communication applications such as Ethernet, Infiniband, and SONET. It belongs to the family of Interface - Drivers, Receivers, Transceivers. The following is an introduction about its applications and working principles.

The SN75LPE185DW quad line driver operates from a single 3.3V supply and provides differential loopbacks from four independent line differential pairs. Each of the line drivers supports data rates up to 800Mbps. The total throughput is a maximum of 3.2 Gbps for all four channels combined. The device also supports hot-swapping, allowing for rapid channel interchange during usage. It is ideal for applications which require differential data transmission over large distances, including high speed communication buses like Infiniband. The SN75LPE185DW also incorporates both thermal and ESD protection to safeguard against the environmental and power supply abnormalities.

The SN75LPE185DW is designed to provide high-speed and low-power consumption performance. It implements advanced power-saving techniques, cutting down on power consumption by up to 60% compared to traditional drivers. It also provides a ground up protection against electrical overstress (EOS) and latchup, and features on-chip under-voltage lockout circuitry which prevents false triggering of the device in marginal power supply conditions.

The SN75LPE185DW is an ideal choice for high-speed, low-power communications applications. It provides a robust, reliable, and energy-efficient solution for applications such as Ethernet, infiniband, and SONET, as well as for general purpose line drivers. The device is available in an 8 by 8mm, surface mountable, QFN package and is compliant withJESD 22. Quality management systems based on ISO 9001 and ISO/TS 16949 procedures are also implemented to ensure the highest quality product performance.

For an understanding of the working principle of the SN75LPE185DW, it should be considered in terms of its design. The device includes four differential output stages, each consisting of a driver transistor, which produces a differential output signal, and a shunt resistor which provides a voltage clamp for the device’s output. The amplifier and voltage clamp are intended to reduce differences between the outputs caused by variations in the input signals, providing higher levels of data accuracy in the output signal.

The SN75LPE185DW’s power management system includes power-down and power-saving logic to reduce power consumption while maintaining proper device operation. An on-chip under-voltage lockout circuitry prevents false triggering of the device in marginal power supply conditions. The device can be programmed to have a reduced or complete power-down state, in order to greatly reduce static power consumption, which is essential in many applications.

In addition, the SN75LPE185DW features a thermal protection system to protect the device from excessive temperatures. This feature allows the device to operate at higher ambient temperatures, improving the lifetime and reliability of the device.

In conclusion the SN75LPE185DW is a low-power Quad differential line driver which targets high-speed communication applications such as Ethernet, Infiniband, and SONET. It is designed to provide robust, reliable, and energy-efficient data transmission allowing it to be used in a wide range of applications. The device includes significant power management features such as on-chip under-voltage lockout, power-saving logic and thermal protection system which make it a suitable choice for today\'s high-speed communication devices.

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