• ADM3232EARUZ RU-16


With the capability of handling ±15 kV ESD, ADM3232EARUZ is a reliable choice for RS-232 line driving and receiving at 3.3 V


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Overview of ADM3232EARUZ

The ADM3232EARUZ is a dual-channel RS-232 line driver/receiver offering enhanced features for reliable serial communication. It supports data rates up to 250kbps and features a low-power shutdown mode for power-saving applications. This IC is designed to interface between microcontrollers and RS-232 devices efficiently.


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

  • VCC1: Positive supply voltage for Channel 1
  • VCC2: Positive supply voltage for Channel 2
  • GND1: Ground connection for Channel 1
  • GND2: Ground connection for Channel 2
  • RXA1: Receiver input of Channel 1
  • RXB1: Receiver output of Channel 1
  • TXA1: Transmitter input of Channel 1
  • TXB1: Transmitter output of Channel 1
  • RXA2: Receiver input of Channel 2
  • RXB2: Receiver output of Channel 2
  • TXA2: Transmitter input of Channel 2
  • TXB2: Transmitter output of Channel 2

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ADM3232EARUZ IC for a visual representation.

Key Features

  • Dual-Channel RS-232 Driver/Receiver: Provides two channels for reliable bi-directional communication.
  • Data Rate: Supports data rates up to 250kbps, suitable for high-speed serial communication applications.
  • Low-Power Shutdown Mode: Features a low-power shutdown mode for energy-efficient operation.
  • Wide Operating Voltage Range: Operates from a single +3.3V to +5.5V supply, compatible with various systems.
  • Enhanced ESD Protection: Includes enhanced ESD protection for robust performance in challenging environments.
  • Compact Package: Available in a space-saving 16-lead TSSOP package.

Note: For detailed technical specifications, please consult the ADM3232EARUZ datasheet.


  • Microcontroller Communication: Ideal for interfacing microcontrollers with RS-232 devices for data exchange.
  • Industrial Automation: Suitable for integration into industrial automation systems requiring serial communication.
  • Networking Equipment: Used in networking equipment for reliable serial data transmission.


The ADM3232EARUZ is a dual-channel RS-232 line driver/receiver designed to facilitate communication between microcontrollers and RS-232 compatible devices. It ensures accurate and efficient data transfer in various applications.

Usage Guide

  • Power Supply: Connect VCC1/VCC2 and GND1/GND2 to the appropriate power and ground connections.
  • Data Connections: Link the receiver and transmitter inputs and outputs based on the communication requirements.
  • Shutdown Function: Utilize the low-power shutdown mode to conserve energy when the device is not in use.

Frequently Asked Questions

Q: What is the maximum data rate supported by the ADM3232EARUZ?
A: The ADM3232EARUZ can support data rates up to 250kbps, suitable for high-speed communication.

Q: Is the ADM3232EARUZ compatible with 5V systems?
A: Yes, the ADM3232EARUZ can operate with supply voltages from +3.3V to +5.5V, making it compatible with 5V systems.


For similar functionalities, consider these alternatives to the ADM3232EARUZ:

  • MAX3232E: A comparable IC from Maxim Integrated offering similar features to the ADM3232EARUZ.
  • ST3232E: RS-232 transceiver IC from STMicroelectronics, providing analogous functionality to the ADM3232EARUZ.


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 ADM3232E Function Transceiver
Data Rate 460 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 3 mA Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C ESD Protection 15 kV
Brand Analog Devices Height 1.05 mm
Length 5 mm Number of Transceivers 1 Transceiver
Operating Supply Voltage 3 V to 5.5 V Output Type Single-Ended
Product RS-232 Transceivers Product Type RS-232 Interface IC
Protocol Supported RS-232 Receiver Signal Type Single-Ended
Shutdown Without Shutdown Factory Pack Quantity 96
Subcategory Interface ICs Supply Type Single Supply
Width 4.4 mm Unit Weight 0.006102 oz

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