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MAX4855
0.75 Ohm, Dual SPDT Audio Switch with Integrated Comparators


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Description
FULL DATA SHEET (PDF, 200kB)
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The MAX4855 dual, single-pole/double-throw (SPDT) switch operates from a single +2V to +5.5V supply and features rail-to-rail signal handling. The MAX4855 has low on-resistance (0.75) with a +3V supply making it ideal for audio switching applications in portable devices. The device also integrates two internal comparators that can be used for headphone detection or mute/send key functions.

The MAX4855 is available in the space-saving (3mm x 3mm), 16-pin thin QFN package and operates over the extended temperature range of -40°C to +85°C.

Key Features   Applications/Uses
  • Audio Signal Routing
  • 0.75 On-Resistance
  • 0.18 On-Resistance Flatness
  • 0.07 Channel-to-Channel Matching
  • Rail-to-Rail Signal Handling
  • 2 Integrated Comparators
  • 1.8V Logic Compatible
  • 2V to 5.5V Supply Range
  • Available in a Space-Saving (3mm x 3mm), 16-Pin TQFN Package

     
  • Audio-Signal Routing
  • Cell Phones
  • Notebook Computers
  • PDAs and Other Handheld Devices
  • Speaker-Headset Switching

    Key Specifications:   Switches and Multiplexers (Low Voltage)
    Part Number Configuration Number of Channels VSUPPLY, Single (min) (V) VSUPPLY, Single (max) (V) RON (max) (Ω) Bandwidth (MHz) IL (OFF) (max) (nA) tON (max) (nS) tOFF (max) (nS) QINJECTION (pC) CON (pF) COFF (pF) Price**
    MAX4855  SPDT 2 2 5.5 1 38 2 60 40 8 150 50 $1.10 @ 1k
    See All Switches and Multiplexers (Low Voltage) (158)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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    Document Ref.: 19-3377; Rev 0; 2004-08-13
    This page last modified: 2006-08-17


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