Dual Transmitter/Receiver RS-232 16-Pin TSSOP T/R

Quantity Unit Price(USD) Ext. Price
1 $0.608 $0.61
10 $0.502 $5.02
30 $0.448 $13.44
100 $0.396 $39.60
500 $0.328 $164.00
1000 $0.312 $312.00


*The price is for reference only.
  • 90-day after-sales guarantee
  • 365 Days Quality Guarantee
  • Genuine Product Guarantee
  • 7*24 hours service quarantee

Quick Inquiry

Please submit RFQ for MAX3232ECPWR or email to us: Email: [email protected], we will contact you in 12 hours.

Overview of MAX3232ECPWR

The MAX3232ECPWR is a dual-channel RS-232 line driver/receiver IC that facilitates serial communication between microcontrollers and RS-232 devices. It features a data rate of up to 120kbps and includes a low-power shutdown mode for power-saving applications.


(Note: The pin configuration provided below is a general representation. Please 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 MAX3232ECPWR 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 MAX3232ECPWR 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 MAX3232ECPWR 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 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: Utilize the SHDN (Pin 6) pin to enable or disable the low-power shutdown mode.

Frequently Asked Questions

Q: Can the MAX3232ECPWR operate at higher data rates?
A: The MAX3232ECPWR is designed for data rates up to 120kbps. For higher speeds, consider alternatives with increased capabilities.

Q: Is the MAX3232ECPWR suitable for battery-powered applications?
A: Yes, the low-power shutdown mode makes the MAX3232ECPWR suitable for battery-powered applications requiring RS-232 communication.


When looking for alternatives with similar functionalities to the MAX3232ECPWR, consider these options:

  • MAX3232CPWR: Offers comparable features to the MAX3232ECPWR with differences in package options or specifications.
  • ST3232CWR: A RS-232 transceiver IC from STMicroelectronics that is pin-compatible and provides similar functionality to the MAX3232ECPWR.



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

Warranty & Returns

Warranty, Returns, and Additional Information

  • QA & Return Policy

    Parts Quality Guarantee: 365 days

    Returns for refund: within 90 days

    Returns for Exchange: within 90 days

  • Shipping and Package

    Shipping:For example, FedEx, SF, UPS, or DHL.UPS, or DHL.

    Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.

  • Payment

    For example, channels like VISA, MasterCard, UnionPay, Western Union, PayPal, and more.

    If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.