The ADG221 and ADG222 are monolithic CMOS devices comprising four independently selectable switches. On-chip latches facilitate microprocessor interfacing. They are designed on an enhanced LC2MOS process which gives an increased signal handling capability of ±15 V. These switches also feature high switching speeds and low RON.
The ADG221 and ADG222 consist of four SPST switches. They differ only in that the digital control logic is inverted. All devices exhibit break before make switching action. Inherent in the design is low charge injection for minimum transients when switching the digital inputs.
|Title||Content Type||File Type|
|ADG221/ADG222: LC2MOS Quad SPST Switches Data Sheet (Rev B, 07/1992) (pdf, 230 kB)||Data Sheets|
AN-355: Behind the Switch Symbol
(pdf, 132 kB)
Use CMOS Analog Switches More Effectively When You Consider Them as Circuits
|AN-248: ADG201A/ADG202A and ADG221/ADG222 Performance with Reduced Power Supplies (pdf, 166 kB)||Application Notes|
Data-acquisition system uses fault protection
By Catherine Redmond, Analog Devices, Inc. (EDN, 4/15/2004)
CMOS Switches Offer High Performance in Low Power, Wideband Applications
(pdf, 320 kB)
by Theresa Corrigan and Ray Goggin, Analog Devices, Inc. (High Frequency Electronics, February 2004)
Temperature monitor measures three thermal zones
by Susan Pratt, Analog Devices, Inc. (EDN, 12/11/03)
Enhanced Multiplexing for MEMS Optical Cross Connects
by James Caffrey (Fiberoptic Product News, 8/2003)
|Switches and Multiplexers Product Selection Guide (pdf, 1462 kB)||Product Selection Guide|
|RAQs index||Rarely Asked Questions||HTML|
|Glossary of EE Terms||Glossary||HTML|
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