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Media contact -  Bob Decker, Redpines
Phone:  1.415.409.0233 
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Vishay Adds New DG2000 Series Low-Voltage Analog Switches With Low Charge Injection and On-Resistance in Footprint as Small as 1.6 mm by 1.6 mm


For more information:
Media contact -  Bob Decker, Redpines
Phone:  1.415.409.0233 
Fax:  1.650.618.1512 
E-mail:  bob.decker@redpinesgroup.com

Sales contact: 

SANTA CLARA, CALIFORNIA — July 28, 2003 — Siliconix incorporated (NASDAQ: SILI), an 80.4%-owned subsidiary of Vishay Intertechnology (NYSE: VSH), today announced the release of seven new low-voltage, high-performance analog switches, including a single-pole/double-throw (SPDT) switch that boasts a 1.6-mm by 1.6-mm package footprint - the industry's smallest.

These new additions to the DG2000 series of analog switches are designed for routing and selecting signals in battery-operated and portable audio, video, and data equipment, such as cell phones, in which small size and low power consumption are critical. A new high-density CMOS process improves device performance for lower on-resistance, better on-resistance flatness, high off-isolation, lower cross-talk, and wider bandwidth.

Supplied in surface-mount packages that reduce space requirements and improve circuit board density, the new analog switches are available in single, dual, and quad configurations to suit a wide array of applications. All the devices are characterized for operation from 1.8-V to 5.5-V power supplies.

The new DG2011 SPDT analog switch is the industry's smallest-packaged analog switch, featuring a six-lead SC-89 package (industry-standard SOT-666). Occupying a 1.6 mm x 1.6 mm footprint, the SC-89 provides board area savings of 40% over devices in the SC-70 with a height profile that is 55% thinner. With 1.8-Ω on-resistance and a charge injection of less than 10 pC over the entire analog voltage range, the DG2011 is ideal for audio output switches in portable battery-powered systems.

The DG2016 and DG2031 are dual SPDT analog switches in MSOP-10 packages. The DG2016 is designed specifically for low-voltage, high-bandwidth applications, with on-resistance (3 Ω at 2.7 V), matching, and flatness guaranteed over the entire analog voltage range. The device achieves wide dynamic performance with better than -80 dB for both cross-talk and off-isolation at 1 MHz. Fast switching speeds, low on-resistance, high bandwidth, and low charge injection make the DG2016 well suited for audio, video, and data switching requiring high linearity.

The DG2031 provides a sub-1-Ω on-resistance (0.75 Ω at 2.7 V) and excellent matching between the two switches (less than 0.05 Ω at 2.7 V) while guaranteeing flatness (less than 0.2 Ω at 2.7 V) over the entire voltage range. The new analog switch also features a low logic threshold voltage for easy interface to low-voltage DSP signals.

Also among the seven devices announced today are four quad, low-voltage analog switches DG2015, DG2041, DG2042, and DG2043) in the small 16-pin QFN leadless package measuring just 4 mm by 4 mm. The DG2015 is a dual double-pole/double-throw (DPDT) switch with on-resistance of 0.8 Ω, charge injection of less than 15 pC, and cross-talk and off-isolation of -70 dB. With a differential configuration, the DG2015 is intended for portable audio systems, such as personal music players, that implement stereo speakers.

The DG2041, DG2042, and DG2043 are low-on-resistance single-pole/single-throw (SPST) analog switches. Combining 1.6-Ω on-resistance, 3 pC charge injection, and less than 20-ns turn-on and turn-off, these switches are intended for applications in which signal switching accuracy, low noise, and low distortion are critical.

Siliconix is a leading manufacturer of power MOSFETs, power ICs, analog switches and multiplexers for computers, cell phones, fixed communications networks, automobiles, and other consumer and industrial electronic systems. With 2002 worldwide sales of $372.9 million, the Company's facilities include a Class 1, wafer fab dedicated to the manufacture of power products in Santa Clara, California, and an affiliated Class 1, wafer fab located in Itzehoe, Germany. The Company's products are also fabricated by subcontractors in Japan, Germany, China and Taiwan. Assembly and test facilities include a company-owned facility in Taiwan, a joint venture in Shanghai, China, and subcontractors in the Philippines, China, Taiwan, Israel, and the United States.

Vishay Intertechnology, Inc., a Fortune 1000 Company listed on the NYSE (VSH), is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs, and infrared optoelectronics) and passive electronic components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay’s product innovations, successful acquisition strategy, and "one-stop shop" service have made it a global industry leader. Vishay can be found on the Internet at www.vishay.com.

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For more information:
Media contact -  Bob Decker, Redpines
Phone:  1.415.409.0233 
Fax:  1.650.618.1512 
E-mail:  bob.decker@redpinesgroup.com

Sales contact: