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MAX3190

MAX3190, MAX3190E

±15kV ESD-Protected, 460kbps, RS-232 Transmitters in SOT23-6

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Overview

Description

The MAX3190/MAX3190E 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 200µA of supply current from ±7.5V to ±12V supplies. The MAX3190/MAX3190E transmitter outputs are RS-232 compatible when powered from ±6V to ±7.5V supplies. They feature a shutdown input that reduces current consumption to only 1µA and forces the transmitter output into a high-impedance state. RS-232-compliant data transmission is guaranteed up to 460kbps.

The MAX3190/MAX3190E are EIA/TIA-232 transmitters that convert CMOS/TTL logic levels to RS-232-compliant signals. The MAX3190E transmitter output is protected to ±15kV per the Human Body Model, ±8kV per IEC 1000-4-2 Contact Discharge, and ±15kV per IEC 1000-4-2 Air-Gap Discharge, providing protection against harsh environments. The MAX3190/ MAX3190E transmitters have a standard inverting output.
MAX3190, MAX3190E: Typical Operating Circuit MAX3190, MAX3190E: Typical Operating Circuit Enlarge+

Key Features

  • Small 6-Pin SOT23 Package
  • ESD-Protected RS-232 Output (MAX3190E)
    • ±15kV per Human Body Model
    • ±8kV per IEC 1000-4-2 Contact Discharge
    • ±15kV per IEC 1000-4-2 Air-Gap Discharge
  • 200µA Operating Supply Current
  • Shutdown Reduces Supply Current to 0.4µA
  • RS-232-Compliant Operation from ±7.5V to ±12V Supplies
  • RS-232-Compatible Operations from ±6V to ±7.5V Supplies
  • 460kbps Guaranteed Data Rate
  • Three-State RS-232 Transmitter Output
  • No External Components

Applications/Uses

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

Parametric Specs

See parametric specs for RS-232 Line Driver/Receivers (136)


Part NumberVSUPPLY (Dual)
(±V)		TxRxData Rate
(kbps)		ICC
(mA)		Internal Charge PumpExt. CapsESD Protect.
(±kV)		Package/PinsBudgetary
Price
DualmintypSee Notes
MAX3190 7.5 to 12104600.25No0-
SOT23/6
$0.75 @1k
MAX3190E 15
SOIC(N)/8
$0.71 @1k

Pricing 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 and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

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: MAX3190  MAX3190E 
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.

Quality Management System >
Environmental Management System >

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