MAX3232EWE

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MAX3232EWE

+BOM

RS-232 TRANSCEIVERS

  • メーカーアナログ・デバイセズ社/マキシム・インテグレーテッド

  • メーカー品番 #MAX3232EWE

  • データシート MAX3232EWE DataSheet

  • パッケージ SOP-16

  • 在庫状況7362

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Package / Case Bulk
Part Status Active

概要

Description

The MAX3232EWE is a part of the MAX3232 series of RS-232 transceivers, designed by Maxim Integrated (now part of Analog Devices) for low-power serial communication. This device is specifically engineered to facilitate communication between TTL/CMOS logic levels typically found in microcontrollers and the RS-232 serial ports used in older PCs and other devices.
Key features include:
1. Dual Transceivers: It can convert two data lines in both directions, from RS-232 to TTL/CMOS and vice versa.

2. Wide Operating Voltage: It operates over a 3.0V to 5.5V supply range, making it suitable for a variety of applications.
3. Low Power Consumption: With a low standby current, the MAX3232EWE is energy-efficient, extending battery life in portable devices.
4. High Data Rate: Supports data rates up to 250 kbps, suitable for fast data transfers.
5. ESD Protection: Offers robust electrostatic discharge (ESD) protection on RS-232 pins, enhancing reliability.
The MAX3232EWE is often used in applications like laptops, PDAs, and other portable devices requiring reliable RS-232 communication.

Equivalent

The MAX3232EWE is a RS-232 line driver/receiver. Equivalent products include:
1. Texas Instruments' TRS3232E
2. STMicroelectronics' ST3232E
3. Analog Devices' ADM3232E
4. NXP's SP3232E
5. ON Semiconductor's NCP3232E
These alternatives offer similar voltage ranges and functionality but check datasheets for compatibility in specific applications.

Features

The MAX3232EWE is a low-power, dual driver/receiver designed to meet the requirements of RS-232 communication protocols. Key features include:
1. Dual Transceivers: Supports two channels for RS-232 communication.
2. Voltage Range: Operates from a single 3.0V to 5.5V supply, allowing compatibility with various systems.
3. High Data Rate: Supports data rates up to 250 kbps, suitable for fast data transmission.
4. Low Power Consumption: Utilizes charge pump technology, eliminating the need for dual supplies and reducing power usage.
5. INTERNAL ESD Protection: Built-in ±15kV ESD protection on all RS-232 inputs and outputs enhances device reliability.
6. Pin Compatibility: Compatible with industry-standard MAX232 devices, enabling easy integration into existing designs.
7. Small Package Options: Available in a compact 16-pin SOIC package, ideal for space-constrained applications.
8. No External Components: Requires only four small capacitors for the charge pump, simplifying design and reducing BOM costs.
These features make the MAX3232EWE suitable for battery-powered and portable applications that require robust RS-232 communications.

Pinout

The MAX3232EWE is a dual driver/receiver that provides RS-232 communication levels from a single 3.0V to 5.5V supply. It is responsible for converting TTL/CMOS logic levels to RS-232 compatible voltage levels and vice versa, making it ideal for interfacing between microcontrollers and RS-232 devices.
The MAX3232EWE comes in a 16-pin wide SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. VCC: Supply voltage input.
2. GND: Ground.
3. T1IN, T2IN: TTL/CMOS inputs for the two drivers.
4. T1OUT, T2OUT: RS-232 level outputs from the two drivers.
5. R1IN, R2IN: RS-232 level inputs for the two receivers.
6. R1OUT, R2OUT: TTL/CMOS level outputs from the two receivers.
7. C1+, C1-, C2+, C2-: Capacitor connections for the internal charge pump.
8. V+ and V-: Positive and negative voltage outputs generated by the charge pump for RS-232 levels.
This IC is used in applications requiring RS-232 communication, such as in PCs, laptops, and embedded systems.

Manufacturer

The MAX3232EWE is manufactured by Analog Devices, Inc., which acquired Maxim Integrated in 2021. Analog Devices is a multinational company specializing in the design and manufacturing of a wide range of semiconductor products. They produce integrated circuits (ICs) used in analog and digital signal processing, power management, data conversion, and more. Analog Devices caters to various industries, such as automotive, communications, consumer electronics, industrial automation, healthcare, and instrumentation.

Application

The MAX3232EWE is a dual RS-232 line driver/receiver designed for communication between data terminal equipment (DTE) and data circuit-terminating equipment (DCE). Its application areas include:
1. Serial Communication: Used in devices requiring RS-232 standard communication, such as modems, computers, and microcontrollers.
2. Embedded Systems: Facilitates data exchange in embedded applications.
3. Industrial Automation: Employed in machinery and equipment requiring reliable serial interfaces.
4. Networking Equipment: Utilized in routers, switches, and network infrastructure for serial interfacing.
5. Consumer Electronics: Integrated into devices like PDAs, cameras, and portable devices for communication purposes.
The MAX3232EWE is valued for its low power consumption and capability to operate at a wide range of voltages, making it versatile for various applications.

Package

The MAX3232EWE is an IC package featuring a 16-pin wide SOIC (Small Outline Integrated Circuit) configuration. This package provides a compact form factor suitable for surface-mount applications, offering ease of integration into various electronic devices requiring RS-232 serial communication.

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