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MAX4991*, MAX4992, MAX4993, MAX4994*
Low RON, Dual-SPDT/Single-DPDT Analog Switches with Slow Turn-On Time

Reduces Clicks and Pops Without Requiring Additional Components

*Future Product
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    Status
    Part Number Status
    MAX4991 Future Product
    MAX4992 Active: In Production. But some versions of the family are No Longer Available. See Ordering Information.
    MAX4993 Active: In Production. But some versions of the family are No Longer Available. See Ordering Information.
    MAX4994 Future Product

    Data Sheet
    FULL DATA SHEET (PDF, 160kB)
    Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail


    Description
    The MAX4991–MAX4994 low on-resistance analog switches operate from a single +1.8V to +5.5V supply. The MAX4991/MAX4993 feature a slow turn-on time to reduce clicks and pops due to coupling capacitors and audio amplifiers with a DC output bias. This feature provides click-and-pop reduction without adding additional parts for existing architectures.

    The MAX4991/MAX4992 are dual single-pole/double-throw (SPDT) switches, while the MAX4993/MAX4994 are double-pole/double-throw (DPDT) switches. The MAX4993/MAX4994 feature an active-low enable input (active-low EN) that sets all the channels to high impedance and reduces supply current when driven high. These devices have 0.3Ω on-resistance and 0.004% THD+N to route high fidelity audio signals.

    The MAX4991–MAX4994 are available in space-saving 10-pin UTQFN (1.4mm x 1.8mm) package, and are specified for operation over the -40°C to +85°C extended temperature range.

    An evaluation kit is available:  MAX4993EVKIT  

    Key Features   Applications/Uses
    • Slow Turn-On for Click-and-Pop Reduction Without Additional Parts
    • Low 0.3Ω On-Resistance
    • Low RON Flatness (1mΩ)
    • Low THD+N: 0.004%
    • +1.8V to +5.5V Single-Supply Operation
    • 1.2µA (typ) Supply Current
    • Space-Saving Packages
      • 10-Pin UTQFN (1.4mm x 1.8mm x 0.55mm)

     
  • Audio Signal Routing
  • Cellular Phones
  • Portable MP3 Players
  • Speaker Headset Source Switching

    Key Specifications:  Switches and Multiplexers (Low Voltage)
    Part Number Functions Config. Channels Normal Position VSUPPLY (Single)
    (V)
    VSUPPLY (Single)
    (V)
    RON
    (Ω)
    IL(OFF)
    (nA)
    tON
    (ns)
    tOFF
    (ns)
    Price
    min max max max min max See Notes
    MAX4992  Switch SPDT 2 Bi-Directional 1.8 5.5 0.5 100 150000 2000 $1.18 @1k
    MAX4993  DPDT 1 630000 $1.18 @1k
    See All Switches and Multiplexers (Low Voltage) (160)

    Diagram
    MAX4991, MAX4992, MAX4993, MAX4994: Typical Application Circuit
    Typical Application Circuit

    Evaluation Kits
  • MAX4993EVKIT

    Design Guides
  • Signal Routing & Protection (PDF)

    Reliability Reports
  • Reliability Report: MAX4992.pdf MAX4993.pdf
  • 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: 1-6 of 6

    MAX4992 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4992ELB+T     N/A No Longer Available µDFN;10 pin;4.2 mm²
    Outline Drawing: 21-0164 (PDF)
    Land Pattern: 90-0006 (PDF)
    Use pkgcode/variation: L1022+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4992EVB+T    
    Active UTQFN;10 pin;2.5 mm²
    Outline Drawing: 21-0028 (PDF)
    Land Pattern: 90-0287 (PDF)
    Use pkgcode/variation: V101A1CN+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4992EVB+    
    Active UTQFN;10 pin;2.5 mm²
    Outline Drawing: 21-0028 (PDF)
    Land Pattern: 90-0287 (PDF)
    Use pkgcode/variation: V101A1CN+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4993 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX4993ELB+T     N/A No Longer Available µDFN;10 pin;4.2 mm²
    Outline Drawing: 21-0164 (PDF)
    Land Pattern: 90-0006 (PDF)
    Use pkgcode/variation: L1022+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4993EVB+T    
    Active UTQFN;10 pin;2.5 mm²
    Outline Drawing: 21-0028 (PDF)
    Land Pattern: 90-0287 (PDF)
    Use pkgcode/variation: V101A1CN+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX4993EVB+    
    Active UTQFN;10 pin;2.5 mm²
    Outline Drawing: 21-0028 (PDF)
    Land Pattern: 90-0287 (PDF)
    Use pkgcode/variation: V101A1CN+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

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    Document Ref.: 19-4150; Rev 1; 2009-07-23
    This page last modified: 2009-07-23


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