DESCRIPTION

The DG441, DG442 monolithic quad analog switches are designed to provide high speed, low error switching of analog and audio signals. The DG441 has a normally closed function. The DG442 has a normally open function.

Combining low on-resistance (50 , typ.) with high speed (tON 150 ns, typ.), the DG441, DG442 are ideally suited for upgrading DG201A/202 sockets. Charge injection has been minimized on the drain for use in sample-and-hold circuits. To achieve high voltage ratings and superior switching performance, the DG441, DG442 are built on Vishay Siliconix’s high-voltage silicon-gate process. An epitaxial layer prevents latchup.

Each switch conducts equally well in both directions when on, and blocks input voltages to the supply levels when off.

FEATURES

• Halogen-free according to IEC 61249-2-21 Definition

• Low on-resistance: 50Ω 

• Low leakage: 80 pA

• Low power consumption: 0.2 mW

• Fast switching action - tON: 150 ns

• Low charge injection - Q: - 1 pC

• DG201A/DG202 upgrades

• TTL/CMOS-compatible logic

• Single supply capability

• Compliant to RoHS Directive 2002/95/EC

BENEFITS

• Less signal errors and distortion

• Reduced power supply requirements

• Faster throughput

• Improved reliability

• Reduced pedestal errors

• Simplifies retrofit

• Simple interfacing

APPLICATIONS

• Audio switching

• Battery powered systems

• Data acquisition

• Hi-Rel systems

• Sample-and-hold circuits

• Communication systems

• Automatic test equipment

• Medical instruments