Overview
The MAX232MWE/PR-T is a versatile integrated circuit (IC) designed by Analog Devices Inc./Maxim Integrated, specifically for serial communication applications. It serves as a transceiver, converting signals between TTL/CMOS logic levels and RS-232 levels, enabling communication between microcontrollers or other TTL/CMOS devices and RS-232 compatible devices such as computers, modems, and fax machines.
This IC is particularly useful in scenarios where there is a need to interface devices operating at different voltage levels, making it a crucial component in various industries including computer networking, industrial automation, and telecommunications.
Key Specifications
| Parameter | Description |
|---|---|
| Package | SOIC-16-300mil |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 120 kbps |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
Key Features
- TTL/CMOS to RS-232 conversion capability, supporting dual drivers and receivers.
- Operates with a single +5V supply using an integrated charge pump circuitry.
- High ±15kV ESD protection.
- Easy to set up and initialize.
- Supports data rates up to 120 kbps.
- ±30-V input levels.
- Operating current: 8mA.
- Available in various packages including SOIC, DIP, and TSSOP.
Applications
- Connecting microcontrollers with computers for serial communication.
- Used in RS-232 cables and adapters.
- Computer networking: configuring and controlling networking devices like routers and switches.
- Industrial automation: interfacing microcontrollers or PLCs with industrial equipment for real-time monitoring and control.
- Telecommunications: interfacing with modems, fax machines, and other RS-232 devices.
- Battery-powered equipment and hand-held diagnostic tools.
Q & A
- What is the primary function of the MAX232MWE/PR-T IC?
The primary function of the MAX232MWE/PR-T IC is to convert signals between TTL/CMOS logic levels and RS-232 levels.
- What is the typical supply voltage for the MAX232MWE/PR-T?
The typical supply voltage for the MAX232MWE/PR-T is between 4.5V and 5.5V.
- What is the maximum data rate supported by the MAX232MWE/PR-T?
The MAX232MWE/PR-T supports data rates up to 120 kbps.
- What type of ESD protection does the MAX232MWE/PR-T offer?
The MAX232MWE/PR-T offers high ±15kV ESD protection.
- In what packages is the MAX232MWE/PR-T available?
The MAX232MWE/PR-T is available in packages such as SOIC-16, DIP, and TSSOP.
- What is the operating temperature range of the MAX232MWE/PR-T?
The operating temperature range of the MAX232MWE/PR-T is -55°C to 125°C.
- How many drivers and receivers does the MAX232MWE/PR-T have?
The MAX232MWE/PR-T has 2 drivers and 2 receivers.
- What is the purpose of the charge pump circuitry in the MAX232MWE/PR-T?
The charge pump circuitry in the MAX232MWE/PR-T generates the necessary voltage levels for RS-232 communication from a single +5V supply.
- Is the MAX232MWE/PR-T RoHS compliant?
No, the MAX232MWE/PR-T is not RoHS compliant.
- What are some common applications of the MAX232MWE/PR-T?
Common applications include computer networking, industrial automation, and telecommunications, as well as use in battery-powered equipment and hand-held diagnostic tools.
