Specifications
| Attribute | Value |
| Package | Tube,Tube |
| ProductStatus | Obsolete |
| Type | Transceiver |
| Protocol | RS232 |
| NumberofDrivers/Receivers | 2/2 |
| Duplex | Full |
| ReceiverHysteresis | 500 mV |
| DataRate | 120Kbps |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.295, 7.50mm Width) |
Overview
Description
The MAX232ECWE is a dual driver/receiver IC commonly used to convert between TTL (Transistor-Transistor Logic) and RS-232 serial communication levels, making it essential in interfacing devices like microcontrollers with serial ports. Manufactured by Maxim Integrated, this chip is part of the MAX232 family, known for efficient level translation without the need for external capacitors in certain variants.
The "ECWE" suffix indicates specific features such as its extended temperature range, typically -40°C to +85°C, suitable for industrial applications. The MAX232ECWE operates with a single 5V power supply and contains two drivers and two receivers, supporting full-duplex communication. It integrates charge-pump voltage converters, eliminating the need for dual power supplies, which simplifies design and reduces cost.
The MAX232ECWE is housed in a 16-pin Wide Small Outline Package (WSOP), offering a compact size for space-constrained applications. Its reliability and ease of use make it popular in various applications, including embedded systems, data communication interfaces, and instrumentation.
The "ECWE" suffix indicates specific features such as its extended temperature range, typically -40°C to +85°C, suitable for industrial applications. The MAX232ECWE operates with a single 5V power supply and contains two drivers and two receivers, supporting full-duplex communication. It integrates charge-pump voltage converters, eliminating the need for dual power supplies, which simplifies design and reduces cost.
The MAX232ECWE is housed in a 16-pin Wide Small Outline Package (WSOP), offering a compact size for space-constrained applications. Its reliability and ease of use make it popular in various applications, including embedded systems, data communication interfaces, and instrumentation.
Equivalent
Equivalent products to the MAX232ECWE, which is a dual RS-232 driver/receiver, include:
1. TI's MAX232EPE
2. STMicroelectronics' ST3232C
3. Microchip's MCP3221
4. NXP's PCA82C250
5. Analog Devices' ADM232A
These alternatives offer similar functionality, with variations in specifications like power consumption, speed, and packaging. Always check the datasheets for compatibility with your specific application.
1. TI's MAX232EPE
2. STMicroelectronics' ST3232C
3. Microchip's MCP3221
4. NXP's PCA82C250
5. Analog Devices' ADM232A
These alternatives offer similar functionality, with variations in specifications like power consumption, speed, and packaging. Always check the datasheets for compatibility with your specific application.
Features
The MAX232ECWE is a dual driver/receiver designed for RS-232 communication interfaces. Key features include:
1. Voltage Range: Operates from a single 5V supply, making it suitable for a wide array of applications.
2. Dual Channel: Contains two drivers and two receivers, catering to full-duplex communication.
3. Low Power Consumption: Uses a charge pump to eliminate the need for a dual power supply, reducing power consumption.
4. ESD Protection: Provides Electrostatic Discharge protection on all pins, enhancing robustness and reliability.
5. Data Rates: Supports data rates up to 120 kbps, allowing efficient data transfer.
6. Temperature Range: Operates within a wide temperature range, typically -40°C to +85°C, suitable for industrial environments.
7. Compact Package: Available in various compact packages, like the 16-pin wide SOIC, saving board space.
8. TTL Compatibility: The device’s outputs are TTL/CMOS compatible, facilitating easy integration with microcontrollers and other digital systems.
Overall, the MAX232ECWE is an efficient solution for RS-232 communication, offering reliable performance with minimal power requirements.
1. Voltage Range: Operates from a single 5V supply, making it suitable for a wide array of applications.
2. Dual Channel: Contains two drivers and two receivers, catering to full-duplex communication.
3. Low Power Consumption: Uses a charge pump to eliminate the need for a dual power supply, reducing power consumption.
4. ESD Protection: Provides Electrostatic Discharge protection on all pins, enhancing robustness and reliability.
5. Data Rates: Supports data rates up to 120 kbps, allowing efficient data transfer.
6. Temperature Range: Operates within a wide temperature range, typically -40°C to +85°C, suitable for industrial environments.
7. Compact Package: Available in various compact packages, like the 16-pin wide SOIC, saving board space.
8. TTL Compatibility: The device’s outputs are TTL/CMOS compatible, facilitating easy integration with microcontrollers and other digital systems.
Overall, the MAX232ECWE is an efficient solution for RS-232 communication, offering reliable performance with minimal power requirements.
Pinout
The MAX232ECWE is a dual driver/receiver IC often used for converting signals between RS-232 serial ports and TTL/CMOS logic. It typically comes in a 16-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. VCC - Power supply pin.
2. GND - Ground pin.
3. T1IN, T2IN - TTL/CMOS input pins for driver 1 and driver 2.
4. R1OUT, R2OUT - TTL/CMOS output pins from receiver 1 and receiver 2.
5. T1OUT, T2OUT - RS-232 output pins from driver 1 and driver 2.
6. R1IN, R2IN - RS-232 input pins for receiver 1 and receiver 2.
7. C1+, C1- - External capacitor pins for voltage doubler.
8. C2+, C2- - External capacitor pins for voltage inverter.
9. V+ - Positive voltage generated by the charge pump.
10. V- - Negative voltage generated by the charge pump.
This IC uses an integrated charge pump to generate the necessary voltage levels for RS-232 communication.
1. VCC - Power supply pin.
2. GND - Ground pin.
3. T1IN, T2IN - TTL/CMOS input pins for driver 1 and driver 2.
4. R1OUT, R2OUT - TTL/CMOS output pins from receiver 1 and receiver 2.
5. T1OUT, T2OUT - RS-232 output pins from driver 1 and driver 2.
6. R1IN, R2IN - RS-232 input pins for receiver 1 and receiver 2.
7. C1+, C1- - External capacitor pins for voltage doubler.
8. C2+, C2- - External capacitor pins for voltage inverter.
9. V+ - Positive voltage generated by the charge pump.
10. V- - Negative voltage generated by the charge pump.
This IC uses an integrated charge pump to generate the necessary voltage levels for RS-232 communication.
Manufacturer
The MAX232ECWE is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a globally recognized semiconductor company that designs and manufactures a broad range of analog and embedded processing products. TI is known for its innovation and development in electronics, providing technology that powers systems in various sectors including industrial, automotive, personal electronics, and communications equipment. The MAX232ECWE itself is a dual driver/receiver that includes a capacitive voltage generator to supply the necessary voltage levels for RS-232 voltage levels from a single 5V supply.
Application
The MAX232ECWE is a dual RS-232 driver/receiver IC designed for serial communication applications. It is commonly used in:
1. Microcontroller Interfaces: Facilitates communication between microcontrollers and RS-232 compatible devices.
2. Embedded Systems: Useful in systems requiring reliable serial ports for data exchange.
3. Industrial Automation: Employed in machinery and control systems for robust data communication.
4. Modems and Networking Equipment: Assists in data transfer between networking devices.
5. Computer Peripherals: Enables connectivity for devices like printers and scanners.
6. Point-of-Sale Systems: Used for receipt printers and barcode scanners.
Its ability to convert TTL/CMOS logic levels to RS-232 levels makes it ideal for interfacing in various electronic applications.
1. Microcontroller Interfaces: Facilitates communication between microcontrollers and RS-232 compatible devices.
2. Embedded Systems: Useful in systems requiring reliable serial ports for data exchange.
3. Industrial Automation: Employed in machinery and control systems for robust data communication.
4. Modems and Networking Equipment: Assists in data transfer between networking devices.
5. Computer Peripherals: Enables connectivity for devices like printers and scanners.
6. Point-of-Sale Systems: Used for receipt printers and barcode scanners.
Its ability to convert TTL/CMOS logic levels to RS-232 levels makes it ideal for interfacing in various electronic applications.
Package
The MAX232ECWE is typically available in a 16-pin wide SOIC (Small Outline Integrated Circuit) package.
