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MAX4855
0.75Ω, Dual SPDT Audio Switch with Integrated Comparators


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 200kB)
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Description
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 (0.75Ω) 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
  • 0.75Ω On-Resistance
  • 0.18Ω On-Resistance Flatness
  • 0.07Ω 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 Functions Config. Channels VSUPPLY (Single)
    (V)
    VSUPPLY (Single)
    (V)
    RON
    (Ω)
    BW
    (MHz)
    IL(OFF)
    (nA)
    tON
    (ns)
    tOFF
    (ns)
    QINJECTION
    (pC)
    CON
    (pF)
    COFF
    (pF)
    Price
    min max max max min max max max See Notes
    MAX4855 
    Audio
    Switch
    SPDT 2 2 5.5 1 38 2 60 40 8 150 50 $1.10 @1k
    See All Switches and Multiplexers (Low Voltage) (160)

    Diagram
    MAX4855: Typical Operating Circuit
    Typical Operating Circuit

    Design Guides
  • Signal Routing & Protection (PDF)

    Reliability Reports
  • Show FIT data for:
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    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-4 of 4

    MAX4855 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4855ETE+T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet
    MAX4855ETE+  
    Active TQFN;16 pin;10 mm²
    Outline Drawing: 21-0136 (PDF)
    Land Pattern: 90-0031 (PDF)
    Use pkgcode/variation: T1633+4*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4855ETE    
    Active TQFN;16 pin;10 mm²
    Outline Drawing: 21-0136 (PDF)
    Land Pattern: 90-0031 (PDF)
    Use pkgcode/variation: T1633-4*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX4855ETE-T    
    Active

    Land Pattern: Not Available

    -40°C to +85°C See data sheet

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    Document Ref.: 19-3377; Rev 0; 2004-08-13
    This page last modified: 2009-10-07


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