Overview
The MAX232MWE/PR, produced by Analog Devices Inc./Maxim Integrated, is a dual transmitter and receiver IC designed for converting TTL/CMOS logic levels to RS-232 logic levels. This IC is widely used in various electronic systems that require communication between microcontrollers and computers or other RS-232 compatible devices. It operates with a single +5V supply voltage and is known for its ease of setup and high reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 16-pin PDIP, SO, SOIC |
| Supply Voltage | 4.5V to 5.5V |
| Operating Temperature | 0°C to 70°C (commercial), -55°C to 125°C (military) |
| Data Rate | Up to 120 kbps |
| Input Levels | ±30 V |
| Operating Current | 8 mA (typical) |
| Number of Drivers/Receivers | 2 drivers, 2 receivers |
| Communication Type | RS-232 |
| Interface Standards | EIA/TIA-232-E, RS-232, V.24, V.28 |
Key Features
- Dual transmitter and receiver capability, allowing for two simultaneous conversions
- Easy to set up and initialize
- Operates with a single +5V supply voltage
- Uses a charge pump to generate the necessary voltage levels for RS-232 communication from a +5V supply
- Available in 16-pin PDIP, SO, and SOIC packages
- Supports data rates up to 120 kbps
- ±30 V input levels for robust signal handling
Applications
- Connecting microcontrollers to computers via RS-232
- TTL/CMOS to RS-232 logic conversion
- Used in RS-232 cables and adapters
- Various industrial and automotive applications requiring serial communication
Q & A
- What is the primary function of the MAX232MWE/PR IC?
The primary function is to convert TTL/CMOS logic levels to RS-232 logic levels and vice versa. - What is the typical supply voltage for the MAX232MWE/PR?
The typical supply voltage is +5V. - How many drivers and receivers does the MAX232MWE/PR have?
The MAX232MWE/PR has 2 drivers and 2 receivers. - What is the maximum data rate supported by the MAX232MWE/PR?
The maximum data rate is up to 120 kbps. - What are the common packages available for the MAX232MWE/PR?
The IC is available in 16-pin PDIP, SO, and SOIC packages. - How does the MAX232MWE/PR generate the necessary voltage for RS-232 communication?
The IC uses a charge pump to generate the necessary voltage levels from a +5V supply. - What are some common applications of the MAX232MWE/PR?
Common applications include connecting microcontrollers to computers, TTL/CMOS to RS-232 conversion, and use in RS-232 cables and adapters. - What is the operating temperature range for the MAX232MWE/PR?
The operating temperature range is 0°C to 70°C for commercial grade and -55°C to 125°C for military grade. - What are the input levels supported by the MAX232MWE/PR?
The IC supports input levels of ±30 V. - Is the MAX232MWE/PR suitable for automotive applications?
No, it is not specifically designed for automotive applications.
