Intersil Introduces Lowest Power, Dual Port, Class G Line Driver
ISL1561 Drops High Density DSLAM Port Power by > 30%
(firmenpresse) - MILPITAS, CA -- (Marketwire) -- 11/01/12 -- (NASDAQ: ISIL), a world leader in the design and manufacture of high-performance analog and mixed signal semiconductors, today extends its 20-year history of providing leading-edge products to the central office with the introduction of the ISL1561, the most power-efficient Class G .
Designed for existing and emerging xDSL central office reference designs with significant improvements over Class H solutions, the provides backward compatibility to existing +14V systems. Its industry leading design supports another 10% power savings in emerging +12V single supply systems.
Each of the two ports is internally configured for a fixed 11.6V/V gain using a specific external build out resistor and a cross-coupled feedback, providing active output impedance with reduced losses. A three-pin serial interface allows each port to be separately tuned to the minimum required quiescent current for the intended signal standard. Two external supply voltage boost caps provide a brief peak in the total output stage voltage to supply the peak line voltages using a control signal from the AFE.
Nominal quiescent current to support full line power for ADSL2+ is only 8mA/port; VDSL2+ 8b is 10mA/port; and VDSL2+ 17a is only 12mA/port
For the most demanding 8b profile, total quiescent power to deliver 19.5dBm to the line is reduced from > 900mW/port to < 620mW/port
Signal peaks maintains a signal linearity comparable to much higher power +24V class AB solutions
Provides < -60dBc MultiBand Power Ratio (MBPR) to the highest target line powers
The ISL1561 is available now in compact 24-lead QFN packages, with prices starting at $2.57 each in 1,000-unit quantities. For more information please visit:
is a leader in the design and manufacture of high-performance analog, mixed-signal and power management semiconductors. The company's products address some of the fastest growing markets within the industrial and infrastructure, personal computing and high-end consumer markets. For more information about Intersil or to find out how to become a member of our winning team, visit our website and career page at .
Intersil and the Intersil logo are trademarks or registered trademarks of Intersil Corporation. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners.
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Datum: 01.11.2012 - 10:00 Uhr
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News-ID 1166299
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