MAX232CWE

圖片僅供參考

MAX232CWE

+物料清單

IC TRANSCEIVER FULL 2/2 16SOIC

  • 製造商類比設備股份有限公司/Maxim集成

  • 製造商部分 #MAX232CWE

  • 有存貨7372

365 天品質保證

7*24 小時服務保證

90-日售後保障

正品保證

規格

屬性 價值
Part Status Obsolete
Base Product Number MAX232
Type Transceiver
Protocol RS232
Number of Drivers/Receivers 2/2
Duplex Full
Data Rate 120Kbps
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Package 16-SOIC (0.295", 7.50mm Width)
Supplier Device Package 16-SOIC
Packaging Tube
Receiver Hysteresis 500 mV

概述

Description

The MAX232CWE is an integrated circuit from Maxim Integrated, designed for converting signals between RS-232 serial communication and TTL (Transistor-Transistor Logic) digital logic levels. It is a dual driver/receiver that includes charge-pump voltage converters to generate the necessary RS-232 voltage levels from a single 5V supply, eliminating the need for dual supplies.
The MAX232CWE can handle two data transmission and two data reception channels, making it suitable for full-duplex communication. It operates over a broad range of baud rates and is compatible with various RS-232 devices like modems, microcontrollers, and computers.
Key features include high data-rate capability, typically up to 120 kbps, low power consumption, and an operating temperature range that makes it adaptable to various applications. It is commonly used in embedded systems, industrial automation, and any devices needing serial communication. The package type, CWE, refers to a wide-body small outline package, which is suitable for surface mounting on PCBs.

Equivalent

The MAX232CWE chip is a dual RS-232 driver/receiver. Equivalent products include the Texas Instruments SN75C232, STMicroelectronics ST232, Analog Devices ADM232, Intersil ICL232, and NXP's PCA82C250. These alternatives ensure similar functionality, such as voltage level conversion and dual transceivers for RS-232 communication. When selecting a replacement, ensure compatibility in pin configuration and electrical specifications.

Features

The MAX232CWE is a dual driver/receiver IC that converts signals from RS-232 serial ports to TTL-compatible digital logic levels, making it ideal for interfacing between serial and digital logic devices. Key features include:
1. Dual Driver/Receiver: It includes two drivers and two receivers, allowing for full duplex communication.
2. Voltage Range: Operates from a single 5V supply, eliminating the need for multiple power sources.
3. Charge Pump: Utilizes built-in charge pump circuitry to generate the necessary RS-232 voltage levels, simplifying design by removing external power supplies.
4. Data Rate: Supports data rates up to 120 kbps, suitable for many standard communication applications.
5. Low Power Consumption: Features low static power dissipation, making it energy-efficient.
6. Temperature Range: The “CWE” version is designed for a commercial temperature range of 0°C to +70°C.
7. Packaging: Available in a 16-pin wide SOIC package, facilitating easy integration into circuit boards.
8. ESD Protection: Provides robust ESD protection for enhanced durability and reliability in harsh environments.
These features make the MAX232CWE ideal for interfacing microcontrollers with RS-232 serial interfaces in various applications.

Pinout

The MAX232CWE is a dual-channel RS-232 line driver/receiver from Maxim Integrated, designed for serial communication applications. It operates from a single 5V power supply and converts TTL/CMOS logic levels to RS-232 voltage levels, and vice versa.
Pin Count and Functions:
The MAX232CWE comes in a 16-pin wide SOIC (Small Outline Integrated Circuit) package. Here’s a brief overview of its pin functions:
1. VCC - Power supply pin (5V).
2. GND - Ground pin.
3. T1IN - Transmitter 1 input.
4. T1OUT - Transmitter 1 output.
5. R1IN - Receiver 1 input (RS-232 level).
6. R1OUT - Receiver 1 output (TTL level).
7. T2IN - Transmitter 2 input.
8. T2OUT - Transmitter 2 output.
9. R2IN - Receiver 2 input (RS-232 level).
10. R2OUT - Receiver 2 output (TTL level).
11. C1+ - Positive terminal for the charge pump capacitor.
12. C1- - Negative terminal for the charge pump capacitor.
13. C2+ - Positive terminal for a second charge pump capacitor.
14. C2- - Negative terminal for a second charge pump capacitor.
15. V+ - Positive voltage generated for RS-232 drivers.
16. V- - Negative voltage generated for RS-232 drivers.
These pins facilitate the device's charge pump operation, allowing it to generate the necessary voltage levels for RS-232 communication.

Manufacturer

The MAX232CWE is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. following their acquisition. Maxim Integrated was known for designing and manufacturing analog and mixed-signal integrated circuits for a wide range of consumer, automotive, industrial, and communications applications. Analog Devices, with its broader portfolio, is a leading global semiconductor company that specializes in data conversion, signal processing, and power management technologies. They cater to various industries, including automotive, healthcare, communications, and industrial automation, by providing solutions that bridge the physical and digital worlds.

Application

The MAX232CWE is primarily used in applications that require serial communication between devices with differing voltage levels. It is commonly employed in RS-232 communication interfaces to convert TTL/CMOS logic levels to RS-232 levels and vice versa. This makes it suitable for computer serial ports, microcontroller communication, networking equipment, and embedded systems requiring serial data exchange. It is also used in modems, GPS modules, and industrial automation systems where robust serial communication is needed. Its dual transmitter and receiver configuration makes it ideal for interfacing devices like PCs, microcontrollers, and other peripherals that use RS-232 standards.

Package

The MAX232CWE is housed in a 16-pin wide SOIC (Small Outline Integrated Circuit) package, commonly used for surface-mounted technology (SMT) applications.

Frequently Asked Questions


Q: What is the maximum data rate supported by the MAX232CWE?
A: The MAX232CWE supports a maximum data rate of 120Kbps, suitable for standard RS232 communication.


Q: What is the operating voltage range for this transceiver?
A: It operates with a single supply voltage ranging from 4.5V to 5.5V, typically 5V.


Q: How many drivers and receivers does the MAX232CWE include?
A: It includes two drivers and two receivers, supporting full-duplex RS232 communication.


Q: What is the receiver hysteresis value for this device?
A: The receiver hysteresis is 500 mV, providing noise immunity for reliable data transmission.


Q: What is the operating temperature range of the MAX232CWE?
A: The device is rated for commercial operation from 0°C to 70°C.


Q: What package type does the MAX232CWE come in?
A: It is available in a 16-SOIC (0.295", 7.50mm Width) surface-mount package.


Q: Is the MAX232CWE obsolete, and what is its base product number?
A: Yes, its lifecycle status is "Obsolete". The base product number is MAX232.