datasheet - a FEATURES +3 V, +5 V, 5 V Power Supplies VSS...

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REV. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a 3 V/5 V, 4/8 Channel High Performance Analog Multiplexers ADG608/ADG609 © Analog Devices, Inc., 1995 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703 GENERAL DESCRIPTION The ADG608 and ADG609 are monolithic CMOS analog mul- tiplexers comprising eight single channels and four differential channels respectively, fully specified for ± 5 V, +5 V and +3 V power supplies. The ADG608 switches one of eight inputs to a common output as determined by the 3-bit binary address lines A0, A1 and A2. The ADG609 switches one of four differential inputs to a common differential output as determined by the 2-bit binary address lines A0 and A1. An EN input on both de- vices is used to enable or disable the device. When disabled, all channels are switched OFF. All the address and enable inputs are TTL compatible over the full specified operating tempera- ture range, making the parts suitable for bus-controlled systems such as data acquisition systems, process controls, avionics and ATEs since the TTL compatible address inputs simplify the digital interface design and reduce the board space requirements. The ADG608/ADG609 are designed on an enhanced LC 2 MOS process that provides low power dissipation yet gives high switching speed and low on resistance. Each channel conducts equally well in both directions when ON and has an input signal range which extends to the supplies. In the OFF condition, sig- nal levels up to the supplies are blocked. All channels exhibit break-before-make switching action preventing momentary shorting when switching channels. Inherent in the design is low charge injection for minimum transients when switching the digital inputs. The ability to operate from single +3 V, +5 V or ± 5 V bipolar supplies makes the ADG608 and ADG609 perfect for use in battery operated instruments and with the new generation of DACs and ADCs from Analog Devices. The use of 5 V sup- plies and reduced operating currents gives much lower power dissipation than devices operating from ± 15 V supplies. PRODUCT HIGHLIGHTS 1. Extended Signal Range The ADG608/ADG609 are fabricated on an enhanced LC 2 MOS process giving an increased signal range which extends to the supplies. 2. Low Power Dissipation 3. Low R ON 4. Fast Switching Times 5. Break-Before-Make Switching Switches are guaranteed break-before-make so that input signals are protected against momentary shorting. 6. Single/Dual Supply Operation ORDERING GUIDE Model Temperature Range Package Option* ADG608BN –40 ° C to +85 ° C N-16 ADG608BR ° C to +85 ° C R-16A ADG608BRU ° C to +85 ° C RU-16 ADG608TRU –55 ° C to +125 ° C RU-16 ADG609BN –40 ° C to +85 ° C N-16 ADG609BR –40 ° C to +85 ° C R-16A ADG609BRU –40 ° C to +85 ° C RU-16
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This note was uploaded on 09/02/2010 for the course BME 314 taught by Professor Frey during the Spring '08 term at University of Texas at Austin.

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datasheet - a FEATURES +3 V, +5 V, 5 V Power Supplies VSS...

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