250kbps full duplex RS232 transceiver TSSOP16 interface IC

Quantity Unit Price(USD) Ext. Price
1 $0.604 $0.60
10 $0.497 $4.97
30 $0.444 $13.32
100 $0.392 $39.20
500 $0.334 $167.00
1000 $0.317 $317.00


*The price is for reference only.
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  • Part Number : MAX3232EIPWR

  • Package/Case : TSSOP (PW)-16

  • Brands : TI

  • Components Categories : Drivers, Receivers, Transceivers

  • Datesheet : MAX3232EIPWR DataSheet (PDF)

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Overview of MAX3232EIPWR

The MAX3232EIPWR is a 3.0V to 5.5V, low-power, multichannel RS-232 transceiver with ±15kV ESD protection and high data rate capabilities. It is designed to convert CMOS logic levels to RS-232 voltage levels, making it suitable for a wide range of serial communication applications.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VCC: Positive power supply
  • GND: Ground connection
  • R1IN: Input for channel 1 receiver
  • R1OUT: Output for channel 1 receiver
  • T1IN: Input for channel 1 transmitter
  • T1OUT: Output for channel 1 transmitter
  • R2IN: Input for channel 2 receiver
  • R2OUT: Output for channel 2 receiver
  • T2IN: Input for channel 2 transmitter
  • T2OUT: Output for channel 2 transmitter
  • SHDN: Shutdown pin

Circuit Diagram

Include a comprehensive circuit diagram to illustrate the connections and functionality of the MAX3232EIPWR transceiver.

Key Features

  • Multi-Channel Transceiver: Offers two channels for bi-directional communication.
  • High Data Rate: Supports data rates up to 1Mbps, suitable for high-speed serial communication.
  • Low-Power Operation: Features low power consumption, ideal for battery-powered applications.
  • ESD Protection: Provides ±15kV ESD protection on the RS-232 pins for robust performance in challenging environments.
  • Wide Supply Voltage Range: Operates from 3.0V to 5.5V, ensuring compatibility with various systems.

Note: For detailed technical specifications, please refer to the MAX3232EIPWR datasheet.


  • Industrial Automation: Suitable for use in industrial automation systems requiring reliable serial communication.
  • Embedded Systems: Ideal for interfacing microcontrollers and embedded systems with RS-232 devices.
  • Telecommunications: Used in telecommunications equipment for data transmission over RS-232 interfaces.


The MAX3232EIPWR is a versatile RS-232 transceiver that facilitates seamless communication between CMOS logic systems and RS-232 devices. It offers high-speed data transfer and ESD protection for enhanced reliability.

Usage Guide

  • Power Supply: Connect VCC (Pin 1) to the positive power supply and GND (Pin 2) to ground.
  • Data Connections: Establish connections between the input and output pins of the desired channel for data exchange.
  • Shutdown Control: Use the SHDN pin (Pin 10) to enable or disable the low-power shutdown mode.

Frequently Asked Questions

Q: Can the MAX3232EIPWR operate at 5V supply voltage?
A: Yes, the MAX3232EIPWR can operate within a supply voltage range of 3.0V to 5.5V, including 5V.

Q: Is the MAX3232EIPWR suitable for high-speed data transmission?
A: Absolutely, the MAX3232EIPWR supports data rates up to 1Mbps, making it ideal for high-speed serial communication applications.


For similar functionalities, consider these alternatives to the MAX3232EIPWR:

  • MAX232CPE: A classic RS-232 transceiver IC with similar functionality and compatibility.
  • SP3232EEN-L/TR: An RS-232 transceiver from Exar Corporation offering comparable performance and features.



The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Drivers per package 2 Receivers per package 2
Logic voltage (min) (V) 3.3 Data rate (max) (MBps) 0.25
Main supply voltage (nom) (V) 3.3, 5 ESD HBM (kV) 15
Rating Catalog Operating temperature range (°C) -40 to 85, 0 to 70
Vout (typ) (V) 5.4

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