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STMicroelectronics Introduces Low Distortion Switch for Analog Signal Routing.

Business Editors

GENEVA--(BUSINESS WIRE)--Dec. 16, 2002

Tiny package and low power consumption suit portable applications

STMicroelectronics (NYSE: STM) has introduced a low distortion analog switch for signal routing in devices such as mobile phones, PDAs, GPS and CD-ROMs.

The STG3157CTR single-pole double-throw (SPDT) analog switch is housed in an extremely small SOT323 6-lead surface-mount package, also known as an 'SOTiny' package, so it can be used in applications where space is at a premium.

The part is designed to operate from 1.65V to 5.5V of V(CC), making it flexible enough to work in a wide range of portable applications. Maximum quiescent supply current is 1uA at T(A) (ambient temperature of 25 (degree)C).

The low On resistance of the device, of less than 9(OMEGA) at a V(CC) of 3.3V, minimizes signal distortion enabling high-fidelity signal routing. The part also offers excellent isolation and unwanted signal rejection, with Off isolation figures of -57dB and cross-talk of -54dB, both measured at 10MHz.

The STG3157CTR also offers a high switching speed of 0.8ns (max) at V(CC) of 3V.

The part has 'break before make' enable circuitry to ensure that it doesn't create any audible pops or clicks during transitions.

The STG3157CTR's inputs and output are protected against static discharge, giving them ESD immunity and protection against excess transient voltages.

About STMicroelectronics

STMicroelectronics, the world's third largest semiconductor company, is a global leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivalled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence markets. The Company's shares are traded on the New York Stock Exchange, on Euronext Paris and on the Milan Stock Exchange. In 2001, the Company's net revenues were $6.36 billion and net earnings were $257.1 million. Further information on ST can be found at .
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Publication:Business Wire
Geographic Code:4EXSI
Date:Dec 16, 2002
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