Overview
The MAX232CWE-TG074 is a highly integrated, dual driver/receiver IC designed by Analog Devices Inc./Maxim Integrated. This component is specifically engineered to convert TTL/CMOS logic levels to RS-232 compatible signals, facilitating communication between microcontrollers or other digital devices and RS-232 equipped devices such as modems, printers, and computer terminals. It is widely used in various applications including industrial automation, embedded systems development, and data acquisition systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Part Number | MAX232CWE-TG074 |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 120 Kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
Key Features
- TTL/CMOS to RS232 Conversion: The MAX232CWE-TG074 converts TTL/CMOS logic levels to RS-232 compatible signals, enabling communication between microcontrollers and RS-232 equipped devices.
- Dual Drivers and Receivers: It supports two drivers and two receivers, allowing for full-duplex communication.
- High Data Rate: The component operates at a data rate of up to 120 Kbps.
- Wide Operating Voltage: It operates within a supply voltage range of 4.5V to 5.5V.
- Operating Temperature Range: The IC can operate in temperatures from 0°C to 70°C.
- Surface Mount Package: Available in a 16-SOIC package, making it suitable for surface mount applications.
Applications
- Industrial Automation: Used to connect microcontrollers or PLCs to RS-232 based HMI devices, enabling control and feedback in automation processes.
- Embedded Systems Development: Facilitates serial communication between microcontrollers or development boards and PCs or laptops for debugging and programming purposes.
- Data Acquisition and Monitoring: Used in systems to connect microcontrollers or data loggers to RS-232 equipped sensors or devices, such as in weather monitoring systems.
- General Serial Communication: Used in various serial communication systems to interface TTL/CMOS logic devices with RS-232 compatible devices.
Q & A
- What is the primary function of the MAX232CWE-TG074?
The primary function is to convert TTL/CMOS logic levels to RS-232 compatible signals.
- How many drivers and receivers does the MAX232CWE-TG074 have?
It has two drivers and two receivers.
- What is the data rate of the MAX232CWE-TG074?
The data rate is up to 120 Kbps.
- What is the operating voltage range of the MAX232CWE-TG074?
The operating voltage range is 4.5V to 5.5V.
- What is the operating temperature range of the MAX232CWE-TG074?
The operating temperature range is 0°C to 70°C.
- In what package is the MAX232CWE-TG074 available?
It is available in a 16-SOIC package.
- What are some common applications of the MAX232CWE-TG074?
Common applications include industrial automation, embedded systems development, and data acquisition systems.
- How does the MAX232CWE-TG074 achieve the RS232 voltage levels?
It uses a charge pump method to generate the necessary voltage levels from a 5V supply.
- Is the MAX232CWE-TG074 RoHS compliant?
No specific RoHS compliance information is available, but some variants may be compliant.
- What type of capacitors are required for the MAX232CWE-TG074 to function?
The IC requires four capacitors, typically ranging from 1uF to 22uF, for the charge pump circuit.
