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Analog switches suit battery-powered apps

Posted: 28 Feb 2006 ?? ?Print Version ?Bookmark and Share

Keywords:AS1741? AS1742? AS1743? analog switch? austriamicrosystems?

austriamicrosystems announced the availability of its AS1741, AS1742 and AS1743 analog switches in compact 8-pin SOT23 packaging.

"Product miniaturization continues to be a dominant trend in the consumer electronics industry and we are anticipating the need for smaller packaging," said Walter Moshammer, marketing director for standard linear at austriamicro. "These switches deliver a 40 percent reduction in size compared with 8-pin MSOP packaging, which means that the space needed on the PCB can be significantly reduced."

Switching time is said to have been improved by over 40 percent while maintaining improved RON flatness and channel matching. Through the 130MHz bandwidth, the devices are suitable for video and high-speed data signals. The wide supply voltage range from 1.6V to 3.6V supports a range of designs. All digital logic inputs are 1.8V CMOS compatible.

The 6mm2 reduction in size from the 5-by-3mm MSOP package to the 3-by-3mm SOT23 package makes these devices suitable for portable battery-powered applications such as cellphones, MP3 players, CD/DVD and video players, digital cameras and PDAs. The devices allow for switching of currents up to 250mA.

The analog switches are available as two normally open (AS1741), two normally closed (AS1742) and a combination of one open and one closed switch (AS1743). The devices are available in the new compact 8-pin SOT23 and the 8-pin MSOP package and are drop-in replacements for MAX4741, MAX4742 and MAX4732.




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