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MAX3188, MAX3189
1Mbps, 1µA RS-232 Transmitters in SOT23-6

Industry's First RS-232 Transmitters in a SOT Package


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Data Sheet
FULL DATA SHEET (PDF, 168kB)
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Description
The MAX3188/MAX3189 single RS-232 transmitters in a SOT23-6 package are for space- and cost-constrained applications requiring minimal RS-232 communications. These devices consume only 150µA of supply current from ±4.5V to ±6V supplies. RS-232 data transmission is guaranteed up to 250kbps with the MAX3188 and up to 1Mbps with the MAX3189.

The MAX3188/MAX3189 transmitters are inverting level translators that convert CMOS-logic levels to 5V EIA/TIA-232 levels. They feature a shutdown input that reduces current consumption to only 1µA and forces the transmitter output into a high-impedance state. The MAX3188/MAX3189 transmitters have a standard inverting output.

Key Features   Applications/Uses
  • Small 6-Pin SOT23 Package
  • 150µA Supply Current
  • Shutdown Reduces Supply Current to 1µA
  • Guaranteed Data Rate
    • 1Mbps (MAX3189)
    • 250kbps (MAX3188)
  • Three-State RS-232 Transmitter Output
  • No External Components Required

 
  • Diagnostic Ports
  • Digital Still Cameras
  • Handheld Equipment
  • Network Equipment
  • Set-Top Boxes
  • Telecommunications

    Key Specifications:   RS-232 Line Driver/Receivers
    Part Number Dual Supply Voltage (±V) Number of Tx Number of Rx Data Rate (kbps) Typ. ICC Current (mA) Internal Charge Pump Number of Ext. Caps Features RoHS Available Package Operating Temp. Range (°C) Price**
    MAX3188  5 1 0 250 0.144 No 0
    Megabaud Data Rate
    Micropower
    Three State Tx
    No SOT-23/6 -40 to +85  
    MAX3189  1,000 $0.55 @ 1k
    See All RS-232 Line Driver/Receivers (138)
    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.

    Diagram
    MAX3188, MAX3189: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  • Application Note 639: Maxim Leads the Way in ESD Protection - MAX3188
  • Application Note 651: ESD Protection for I/O Ports - MAX3188
  • Application Note 2141: Determining Clock Accuracy Requirements for UART Communications - MAX3188, MAX3189

    Evaluation Kits
    none

    Design Guides
  • INTERFACE (PDF)

    Reliability Reports
  • Show FIT data for:
  • Request Reliability Report for:

    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

    MAX3188 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3188EUT  
    SOT-23;6 pin;
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6SN-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3188EUT-T  
    SOT-23;6 pin;
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6SN-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3189 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX3189EUT  
    SOT-23;6 pin;
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6SN-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX3189EUT-T  
    SOT-23;6 pin;
    Dwg: 21-0058I (PDF)
    Use pkgcode/variation: U6SN-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    Notes and Comments
  • 250kbps Data Rate (MAX3188)
  • 1Mbps Data Rate (MAX3189)

    Related Products
    MAX3190, MAX3190E ±15kV ESD-Protected, 460kbps, RS-232 Transmitters in SOT23-6
    MAX3188E, MAX3189E ±15kV ESD-Protected, 1Mbps, 1µA RS-232 Transmitters in SOT23-6
    MAX3180, MAX3181, MAX3182, MAX3183 +3V to +5.5V, 1.5Mbps RS-232 Receivers in SOT23-5
    MAX3180E, MAX3181E, MAX3182E, MAX3183E ±15kV ESD-Protected, 0.5µA, +3V to +5.5V, 1.5Mbps RS-232 Receivers in SOT23-5

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     Description 
     Key Features 
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     Diagram 

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    Document Ref.: 19-1628; Rev 0; 2000-03-09
    This page last modified: 2007-07-23



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