Publication

A Power-Efficient LVDS Driver Circuit in 0.18-μm CMOS Technology

Seyed Armin Tajalli, Yusuf Leblebici
2007
Conference Papers

Abstract

This article presents a power-efficient and low-voltage CMOS output driver circuit based on low-voltage differential signaling (LVDS) standard. To reduce the ringing at the output of the proposed driver circuit and simultaneously keep the power consumption low, a new technique has been applied to control the output voltage slew. A pre-driver circuit is also utilized to have a very low total equivalent input capacitance of 50 fF. Designed in 0.18 μm CMOS technology, the entire output driver circuit including the input pre-driver, draws only 5.6 mArms while the output voltage swing is VOD = 400 mV and the other specs are compliant with the LVDS requirements.

Official source

https://infoscience.epfl.ch/entities/publication/f772aeb6-94ad-4264-ba66-b786d9985244

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Seyed Armin Tajalli, Yusuf Leblebici
2007
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/f772aeb6-94ad-4264-ba66-b786d9985244

About this result

Related concepts (19)

Low-voltage differential signaling

Low-voltage differential signaling (LVDS), also known as TIA/EIA-644, is a technical standard that specifies electrical characteristics of a differential, serial signaling standard. LVDS operates at low power and can run at very high speeds using inexpensive twisted-pair copper cables. LVDS is a physical layer specification only; many data communication standards and applications use it and add a data link layer as defined in the OSI model on top of it.

Slew rate

In electronics, slew rate is defined as the change of voltage or current, or any other electrical quantity, per unit of time. Expressed in SI units, the unit of measurement is volts/second or amperes/second, but is usually expressed in terms of microseconds (μs) or nanoseconds (ns). Electronic circuits may specify minimum or maximum limits on the slew rates for their inputs or outputs, with these limits only valid under some set of given conditions (e.g. output loading).

Differential signalling

Differential signalling is a method for electrically transmitting information using two complementary signals. The technique sends the same electrical signal as a differential pair of signals, each in its own conductor. The pair of conductors can be wires in a twisted-pair or ribbon cable or traces on a printed circuit board. Electrically, the two conductors carry voltage signals which are equal in magnitude, but of opposite polarity. The receiving circuit responds to the difference between the two signals, which results in a signal with a magnitude twice as large.

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