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MAX232DW +BOM

5-V dual channel 120kbps RS-232 line driver/receiver with +/-9V output & +/-2-kV ESD protection

MAX232DW Information

Description

Here's a concise introduction to the MAX232DW: The Texas Instruments MAX232DW is a RS-232 transceiver IC designed for serial communication applications. It converts signals between RS-232 levels and TTL levels, making it an essential component in various industries. This IC operates at speeds up to 120 kbit/s, features two drivers and two receivers, and meets or exceeds standards such as TIA/EIA-232-F and ITU Recommendation V.28. The MAX232DW is suitable for applications that require reliable serial communication between microcontrollers, PCs, modems, and other serial devices. Its ESD protection exceeds JESD 22 standards, providing robustness against electrical shocks. The IC's low supply current of 8 mA typical also makes it energy-efficient. In summary, the MAX232DW is a versatile transceiver IC that enables reliable serial communication in various industries, including telecommunications, industrial automation, and embedded systems.

Features

According to the product information, the features of the MAX232DW are:

  • Meets or Exceeds TIA/EIA-232-F and ITU Recommendation V.28
  • Operates From a Single 5-V Power Supply With 1.0-µF Charge-Pump Capacitors
  • Operates up to 120 kbit/s
  • Two Drivers and Two Receivers
  • ±30-V Input Levels
  • Low Supply Current: 8 mA Typical
  • ESD Protection Exceeds JESD 22 (2000-V Human-Body Model)
  • Upgrade option available with improved ESD (15-kV HBM) and 0.1-µF Charge-Pump Capacitors with the MAX202 device

Package

According to the product information, the package type of MAX232DW is SOIC-16 (Small Outline Integrated Circuit).

Pinout

The MAX232DW has a pin count of 16.

Here's a concise breakdown of its pins:

  • VCC: Positive supply voltage (5V)
  • GND: Ground
  • TXD: Transmitter output (TTL level)
  • RXD: Receiver input (TTL level)
  • RTS: Request to Send (input)
  • CTS: Clear to Send (output)
  • DTR: Data Terminal Ready (output)
  • DSR: Data Set Ready (input)
  • SOUT: Secondary Output (output)
  • SIN: Secondary Input (input)
  • VPP: Positive charge pump output (5V)
  • VSS: Negative charge pump output (0V)

The MAX232DW is a dual RS-232 transceiver that converts signals between TTL and RS-232 levels, making it suitable for serial communication applications.

Manufacturer

The manufacturer of the MAX232DW is Texas Instruments (TI), a leading global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips. TI is a well-established company with a rich history in the industry, known for its innovative products and solutions that enable the development of a wide range of electronic systems.

Applications

According to the product information, the application areas of MAX232DW include:

  • Serial communication applications to convert signals between RS-232 and TTL levels
  • Interfacing microcontrollers with PCs, modems, and other serial devices
  • Various industries such as telecommunications, industrial automation, and embedded systems

Equivalent

The equivalent products of MAX232DW are:

  • NS232A
  • 82C232
  • CP2102
  • FSC232R
  • MC34063

These ICs offer similar functionality, such as RS-232 to TTL level conversion, and are widely used in serial communication applications.

Specifications

Category Integrated Circuits (ICs)InterfaceDrivers, Receivers, Transceivers Type Transceiver
Protocol RS232 Number of Drivers/Receivers 2/2
Duplex Full Receiver Hysteresis 500 mV
Data Rate 120Kbps Voltage - Supply 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C Mounting Type Surface Mount
Base Product Number MAX232 Package/Case SOP16

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Ratings and Reviews

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A
A**n 04/10/2025

no goods . money back.

7
L
L**e 01/31/2022

All ok, leds are matte.

11
H
H**n 11/24/2021

Very fast delivery to msk. The product corresponds to the description.

14
M
M**a 01/20/2021

The give 5 star for the order., now here came under the old number.

12

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