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Intersil Corporation
Intersil Corporation
11/01/2012 | Press release
Intersil Introduces Lowest Power, Dual Port, Class G Line Driver
distributed by noodls on 11/01/2012 11:02
ISL1561 Drops High Density DSLAM Port Power by >30%
Milpitas, CA - November 1, 2012 --Intersil Corporation (NASDAQ
Global Select:
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
DSLAM market with the introduction of the ISL1561, the
most power-efficient Class G
line driver.
Designed for existing and emerging xDSL central office
reference designs with significant improvements over Class
H solutions, the ISL1561
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.
Features and Benefits
- 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
Pricing and Availability
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: www.intersil.com/products/ISL1561
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About IntersilIntersil Corporation 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 www.intersil.com.
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