MAX238CWG+

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MAX238CWG+

IC TRANSCEIVER FULL 4/4 24SOIC

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Spécifications

Part Status Obsolete
Type Transceiver
Protocol RS232
Number of Drivers/Receivers 4/4
Duplex Full
Receiver Hysteresis 500 mV
Data Rate 120Kbps
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Package / Case 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package 24-SOIC
Base Product Number MAX238

Vue d'ensemble

Description

The MAX238CWG+ is a dual RS-232 transceiver designed by Maxim Integrated (now part of Analog Devices) for easy interfacing with UARTs in a variety of applications. It supports a wide voltage range (typically ±5V to ±15V) to communicate over longer distances while maintaining signal integrity. The device features a low-power design, making it suitable for battery-operated devices.
Key features include a data rate of up to 120 kbps, integrated capacitors for reduced component count, and a compact 20-pin wide SOIC package. The MAX238CWG+ also offers a built-in voltage regulator, allowing it to generate the necessary RS-232 voltage levels from a single supply. This simplifies circuit design and enhances reliability.
The device is widely used in automotive, industrial, and consumer electronics for serial communication applications. Its robustness and efficiency make it a popular choice for designers needing reliable RS-232 communication solutions.

Features

The MAX238CWG+ is a dual, high-speed, low-power RS-232 transceiver designed for data communication applications. Key features include:
1. Dual Transceiver: Supports two separate RS-232 channels for bi-directional data transmission.
2. Low Power Consumption: Operates with low supply current, making it suitable for battery-powered devices.
3. Wide Voltage Range: Compatible with a supply voltage range of +3V to +5.5V.
4. High Data Rate: Capable of transmitting data at rates up to 250 kbps.
5. Enhanced ESD Protection: Designed to withstand electrostatic discharge, ensuring reliable operation in harsh environments.
6. Integrated Capacitors: Includes internal charge pumps for voltage level conversion, reducing external component count.
7. Industrial Temperature Range: Rated for operation from -40°C to +85°C, suitable for industrial applications.
The MAX238CWG+ is ideal for connecting microcontrollers and other digital devices to serial communication interfaces while ensuring robust performance and efficiency.

Package

The MAX238CWG+ is available in a 20-pin TSSOP (Thin Shrink Small Outline Package) package type.

Pinout

The MAX238CWG+ is an integrated circuit used primarily for RS-232 communication. It features a total of 28 pins. The main functions of these pins include:
1. Power Supply Pins: V+ (pin 16) for positive supply voltage and GND (pin 15) for ground.
2. Transmitter Pins: TxD (pins 8, 9) for transmitting data signals.
3. Receiver Pins: RxD (pins 10, 11) for receiving data signals.
4. Control Pins: CTS (pin 5), RTS (pin 4), DTR (pin 3), DSR (pin 2), and others for flow control and handshake signals.
5. Additional Functionality: The device includes capacitors for charge pump operation and signal conditioning.
The MAX238CWG+ is designed to provide a low-power, efficient solution for converting TTL/CMOS logic levels to RS-232 levels, making it suitable for various communication applications.

Manufacturer

The MAX238CWG+ is manufactured by Analog Devices, Inc. (ADI), a company known for its expertise in analog, mixed-signal, and digital signal processing integrated circuits (ICs). Analog Devices is a multinational semiconductor company headquartered in Norwood, Massachusetts, specializing in high-performance analog, RF, and mixed-signal ICs for various applications, including communications, automotive, industrial, and consumer electronics. The MAX238 series is specifically designed for use in RF communication systems, serving as a dual-channel integrated circuit for implementing low-cost, high-performance RF signal processing.

Application

The MAX238CWG+ is a dual RS-232 transceiver designed for communication applications. Its primary areas of application include industrial automation, medical devices, telecommunications, and embedded systems. It is used for converting TTL/CMOS logic levels to RS-232 voltage levels, enabling reliable data transmission in environments where noise immunity is critical. Additionally, it supports multiple devices in a network, making it suitable for point-to-point and multipoint communication systems.

Equivalent

Equivalent products to the MAX238CWG+ chip include the MAX1487, SN75176, and SP3485. These chips serve similar functions in RS-485 and RS-232 communication applications, offering comparable performance and features. Be sure to check specific datasheets for pin configuration and electrical characteristics to ensure compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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