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ADG3248:  2.5 V/3.3 V, 2:1 Multiplexer/ Demultiplexer Bus Switch

Product Details


The ADG3248 is a 2.5 V or 3.3 V, high performance 2:1 multiplexer/demultiplexer. It is designed on a low voltage CMOS process, which provides low power dissipation yet gives high switching speed and very low on resistance. The low on resistance allows the input to be connected to the output without additional propagation delay or generating additional ground bounce noise.

Each switch of the ADG3248 conducts equally well in both directions when on. The ADG3248 exhibits break-before-make switching action, preventing momentary shorting when switching channels.

The ADG3248 is available in a tiny 6-lead SC70 package.

Product Highlights

  • 3.3 V or 2.5 V supply operation.
  • Extremely low propagation delay through switch.
  • 4.5 Ω switches connect inputs to outputs.
  • Tiny SC70 package.

Applications

  • 3.3 V to 2.5 V voltage translation
  • 2.5 V to 1.8 V voltage translation
  • Bus switching
  • Docking stations
  • Memory switching
  • Analog switch applications

FEATURES and BENEFITS

  • 225 ps propagation delay through the switch
  • 4.5 Ω switch connection between ports
  • Data rate 1.244 Gbps
  • 2.5 V/3.3 V supply operation
  • Level translation
    3.3 V to 2.5 V
    2.5 V to 1.8 V
  • Small signal bandwidth 610 MHz
  • 6-lead SC70 package

Functional Block Diagram for ADG3248

Documentation

Title Content Type File Type
ADG3248: 2.5 V/3.3 V, 2:1 Multiplexer/ Demultiplexer Bus Switch Data Sheet  (Rev A, 10/2007) (pdf, 486 kB) Data Sheets PDF
Data-acquisition system uses fault protection
By Catherine Redmond, Analog Devices, Inc. (EDN, 4/15/2004)
Technical Articles HTML
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)
Technical Articles PDF
Switches and Multiplexers Product Selection Guide  (pdf, 1462 kB) Product Selection Guide PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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