Dual Transmitter/Receiver RS-232 16-Pin TSSOP Tube

Quantity Unit Price(USD) Ext. Price
1 $0.913 $0.91
10 $0.755 $7.55
30 $0.677 $20.31
90 $0.567 $51.03
540 $0.520 $280.80
900 $0.497 $447.30


*The price is for reference only.
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  • Part Number : MAX3232CPW

  • Package/Case : TSSOP-16

  • Brands : TI

  • Components Categories : Drivers, Receivers, Transceivers

  • Datesheet : MAX3232CPW DataSheet (PDF)

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Overview of MAX3232CPW

The MAX3232CPW is a dual-channel RS-232 line driver/receiver that features a 120kbps data rate and low-power shutdown mode. It is designed to convert TTL/CMOS logic levels to RS-232 voltage levels and vice versa, making it ideal for interfacing between microcontrollers and RS-232 devices.


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

  • C1-: Ground connection for capacitor C1
  • C1+: Positive terminal for capacitor C1
  • VCC: Positive power supply
  • C2+: Positive terminal for capacitor C2
  • C2-: Ground connection for capacitor C2
  • SHDN: Shutdown pin
  • GND: Power ground
  • R2IN: Input for receiver 2
  • R2OUT: Output for receiver 2
  • T2IN: Input for transmitter 2
  • T2OUT: Output for transmitter 2
  • R1OUT: Output for receiver 1
  • R1IN: Input for receiver 1
  • T1OUT: Output for transmitter 1
  • T1IN: Input for transmitter 1
  • VCC: Positive power supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the MAX3232CPW IC for a visual representation.

Key Features

  • Dual-Channel RS-232 Driver/Receiver: Provides two channels for bi-directional communication.
  • Data Rate: Supports data rates up to 120kbps, suitable for various serial communication applications.
  • Low-Power Shutdown Mode: Features a low-power shutdown mode for power-saving applications.
  • Wide Operating Voltage Range: Operates from a single +3.0V to +5.5V supply, making it compatible with a wide range of systems.
  • ESD Protection: Includes ±15kV ESD protection on the RS-232 pins, ensuring robust operation in harsh environments.
  • Small Package: Available in a space-saving 16-pin TSSOP package.

Note: For detailed technical specifications, please refer to the MAX3232CPW datasheet.


  • Microcontroller Interface: Ideal for interfacing microcontrollers with RS-232 devices.
  • Industrial Control Systems: Suitable for use in industrial control systems requiring RS-232 communication.
  • Serial Communication: Used in various serial communication applications requiring RS-232 compatibility.


The MAX3232CPW is a dual-channel RS-232 line driver/receiver that converts TTL/CMOS logic levels to RS-232 voltage levels and vice versa. It provides reliable and efficient communication between microcontrollers and RS-232 devices.

Usage Guide

  • Power Supply: Connect VCC (Pin 3 and Pin 16) to the supply voltage (3.0V to 5.5V).
  • Data Connections: Connect the C1+/C1- and C2+/C2- pins to the RS-232 data lines.
  • Shutdown Control: Use the SHDN (Pin 6) pin to enable or disable the device's low-power shutdown mode.

Frequently Asked Questions

Q: Can the MAX3232CPW operate at higher data rates?
A: The MAX3232CPW is designed to operate at data rates up to 120kbps. For higher data rates, consider using alternative devices with higher-speed capabilities.

Q: Is the MAX3232CPW suitable for battery-powered applications?
A: Yes, the MAX3232CPW features a low-power shutdown mode, making it suitable for battery-powered applications requiring RS-232 communication.


For similar functionalities, consider these alternatives to the MAX3232CPW:

  • MAX3232ECPWR: This is a similar IC from Maxim Integrated, offering similar functionality to the MAX3232CPW with different package options or slight variations in specifications.
  • ST3232CWR: This is an RS-232 transceiver IC from STMicroelectronics, which is pin-compatible with the MAX3232CPW and provides similar functionality.



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 MAX3232 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
Factory Pack Quantity 90 Subcategory Interface ICs
Supply Type Single Supply Width 4.4 mm
Unit Weight 0.002183 oz

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