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6-pin SOIC package

Quantity Unit Price(USD) Ext. Price
1 $0.476 $0.48
10 $0.391 $3.91
30 $0.350 $10.50
100 $0.308 $30.80
500 $0.277 $138.50
1000 $0.264 $264.00


*The price is for reference only.
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Overview of ADM3232EARNZ

The ADM3232EARNZ is a high-speed, 3.3 V powered, dual-channel RS-232 line driver/receiver offering data rates up to 250 kbps. This IC features low-power consumption and is designed to connect between TTL/CMOS logic and RS-232 devices, providing reliable and efficient communication.


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

  • SHDN: Shutdown Pin
  • C2-: Ground connection for capacitor C2
  • C1-: Ground connection for capacitor C1
  • VCC: Positive power supply
  • C1+: Positive terminal for capacitor C1
  • C2+: Positive terminal for capacitor C2
  • R2OUT: Output for receiver 2
  • R2IN: Input 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

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ADM3232EARNZ 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 250 kbps, suitable for high-speed serial communication.
  • Low-Power Consumption: Features low-power operation, suitable for battery-powered applications.
  • 3.3 V Power Supply: Operates from a single 3.3 V power supply, compatible with many systems.
  • Robust Design: Built-in ESD protection for enhanced reliability in challenging environments.
  • Compact Package: Available in a space-saving package for easy integration into designs.

Note: For detailed technical specifications, please refer to the ADM3232EARNZ datasheet.


  • Embedded Systems: Ideal for connecting embedded systems with RS-232 interfaces.
  • Industrial Automation: Suitable for use in industrial automation systems requiring RS-232 communication.
  • Networking Equipment: Used in networking equipment for serial communication functions.


The ADM3232EARNZ is a dual-channel RS-232 line driver/receiver designed to facilitate seamless communication between microcontrollers and RS-232 devices. It offers reliable data transmission and reception for various applications.

Usage Guide

  • Power Supply: Connect VCC (Pin 4) to the 3.3 V power supply for proper operation.
  • Data Connections: Connect the C1+/C1- and C2+/C2- pins to the RS-232 data lines accordingly.
  • Shutdown Control: Use the SHDN (Pin 1) pin to control the device's shutdown mode.

Frequently Asked Questions

Q: Is the ADM3232EARNZ compatible with 5 V systems?
A: The ADM3232EARNZ is designed for use with 3.3 V power supplies. For compatibility with 5 V systems, level shifters may be required.

Q: What is the maximum data rate supported by the ADM3232EARNZ?
A: The ADM3232EARNZ supports data rates up to 250 kbps, making it suitable for high-speed communication applications.


For similar functionalities, consider these alternatives to the ADM3232EARNZ:

  • MAX3232EARNZ: A compatible RS-232 driver/receiver IC from Maxim Integrated with similar specifications.
  • ST3232EARNZ: An RS-232 transceiver IC from STMicroelectronics offering comparable features to the ADM3232EARNZ.


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 SOIC-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 1.5 mm
Length 10 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 48
Subcategory Interface ICs Supply Type Single Supply
Width 4 mm Unit Weight 0.023492 oz

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