The MAX3232EIPW provides efficient signal processing and reliable data transmission for a wide range of applications requiring RS-232 compatibility."

Quantity Unit Price(USD) Ext. Price
1 $0.963 $0.96
10 $0.802 $8.02
30 $0.720 $21.60
90 $0.614 $55.26
540 $0.566 $305.64
900 $0.541 $486.90


*The price is for reference only.
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  • Part Number : MAX3232EIPW

  • Package/Case : TSSOP-16

  • Brands : TI

  • Components Categories : Drivers, Receivers, Transceivers

  • Datesheet : MAX3232EIPW DataSheet (PDF)

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Overview of MAX3232EIPW

The MAX3232EIPW is a RS-232 transceiver IC that provides dual-channel communication with integrated charge pumps for voltage conversion. It offers a data rate of 250kbps and operates within a wide supply voltage range, making it suitable for various communication applications.


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

  • V+ (Pin 16): Positive power supply
  • V- (Pin 15): Negative power supply
  • T1IN (Pin 14): Input for transmitter channel 1
  • T1OUT (Pin 13): Output for transmitter channel 1
  • R1OUT (Pin 12): Output for receiver channel 1
  • R1IN (Pin 11): Input for receiver channel 1
  • GND (Pin 10): Ground
  • T2IN (Pin 9): Input for transmitter channel 2
  • T2OUT (Pin 8): Output for transmitter channel 2
  • R2OUT (Pin 7): Output for receiver channel 2
  • R2IN (Pin 6): Input for receiver channel 2
  • SHDN (Pin 5): Shutdown pin
  • NC (Pins 1, 2, 3, 4): No connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the MAX3232EIPW IC for a visual representation.

Key Features

  • Dual-Channel Communication: Provides two channels for bi-directional communication.
  • High Data Rate: Supports data rates up to 250kbps for efficient serial communication.
  • Integrated Charge Pumps: Features integrated charge pumps for voltage level conversion, simplifying external circuitry.
  • Wide Supply Voltage Range: Operates from a single +3.0V to +5.5V supply, offering flexibility in power source selection.
  • Robust Design: Includes ESD protection on the RS-232 pins for reliable operation in harsh environments.
  • Space-Saving Package: Available in a compact 5mm x 5mm 28-Pin QSOP package.

Note: For detailed technical specifications, please refer to the MAX3232EIPW datasheet.


  • Industrial Automation: Ideal for communication in industrial automation systems requiring RS-232 compatibility.
  • Embedded Systems: Suitable for interfacing embedded systems with RS-232 devices for data exchange.
  • Telecommunication Equipment: Used in telecommunication infrastructure for serial data transmission.


The MAX3232EIPW is a dual-channel RS-232 transceiver that facilitates communication between microcontrollers or embedded systems and RS-232 devices. It offers reliable voltage level conversion and high-speed data transfer capabilities.

Usage Guide

  • Power Supply: Connect V+ and V- (Pins 16 and 15) to the respective power supplies within the operating voltage range.
  • Data Connections: Link the transmitter and receiver channels to the respective RS-232 data lines for communication.
  • Shutdown Control: Use the SHDN (Pin 5) pin to activate or deactivate the low-power shutdown mode as needed.

Frequently Asked Questions

Q: What is the maximum data rate supported by the MAX3232EIPW?
A: The MAX3232EIPW can handle data rates up to 250kbps, suitable for various high-speed communication applications.

Q: Does the MAX3232EIPW require external voltage converters for RS-232 communication?
A: No, the MAX3232EIPW integrates charge pumps for voltage conversion, simplifying the design and reducing external components.


For similar functionalities, consider these alternatives to the MAX3232EIPW:

  • MAX3232EEPW: A similar IC variant with extended temperature range capabilities for demanding environments.
  • ST3232ECDR: This RS-232 transceiver from STMicroelectronics offers comparable performance and features to the MAX3232EIPW.



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

Product Category RS-232 Interface IC RoHS Details
Mounting Style SMD/SMT Package / Case TSSOP-16
Series MAX3232E Function Transceiver
Data Rate 250 kb/s Number of Drivers 2 Driver
Number of Receivers 2 Receiver Duplex Full Duplex
Supply Voltage - Max 5.5 V Supply Voltage - Min 3 V
Operating Supply Current 1 mA Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C ESD Protection 15 kV
Brand Texas Instruments Height 1 mm
Length 5 mm Operating Supply Voltage 3.3 V, 5 V
Product RS-232 Transceivers Product Type RS-232 Interface IC
Propagation Delay Time 0.3 us Shutdown Without Shutdown
Factory Pack Quantity 90 Subcategory Interface ICs
Supply Type Single Supply Width 4.4 mm
Unit Weight 0.002183 oz

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