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MAX3188

MAX3188

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

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

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Overview

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.
MAX3188, MAX3189: Typical Operating Circuit MAX3188, MAX3189: Typical Operating Circuit Enlarge+

Key Features

  • 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

Applications/Uses

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

Design Resources

Technical Documents

Tutorial 4993 Reduce the Chances of Human Error: Part 2, Super Amps and Filters for Analog Interface
Tutorial 4991 Oops...Practical ESD Protection vs. Foolhardy Placebos
Tutorial 2141 Determining Clock Accuracy Requirements for UART Communications
App Note 651 ESD Protection for I/O Ports
App Note 639 Maxim Leads the Way in ESD Protection

Quality And Environmental

Request Reliability Report for: MAX3188 
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C   Material Composition  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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