Overview
The MAX232EIPW, produced by Texas Instruments, is a dual RS-232 driver and receiver integrated circuit. It is designed to meet or exceed the TIA/RS-232-F and ITU recommendation V.28 standards. This device is particularly useful in applications where a single 5V power supply is available, and it requires minimal external components to generate the necessary RS-232 voltage levels.
The MAX232EIPW includes a capacitive voltage generator that uses four external 1µF capacitors to produce the required voltage levels for RS-232 communication. It features two drivers and two receivers, making it suitable for a variety of serial communication applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage | 4.5 to 5.5 | V |
| Supply Current (Typical) | 8 | mA |
| Data Rate | Up to 250 kbit/s | |
| ESD Protection | ±15kV HBM, ±8kV IEC61000-4-2 Contact Discharge, ±15kV IEC61000-4-2 Air-Gap Discharge | |
| Input Voltage Range (RS-232) | ±30V | |
| Output Voltage Swing (RS-232) | ±9V | |
| Package Type | 16-TSSOP |
Key Features
- Meets or exceeds TIA/RS-232-F and ITU recommendation V.28 standards.
- Operates from a single 5V power supply with 1µF charge-pump capacitors.
- Includes two drivers and two receivers.
- ESD protection: ±15kV Human-body model (HBM), ±8kV IEC61000-4-2 Contact discharge, and ±15kV IEC61000-4-2 Air-gap discharge.
- Low supply current: 8mA typical.
- Each receiver converts RS-232 inputs to 5V TTL/CMOS levels with a typical threshold of 1.3V and hysteresis of 0.5V.
- Each driver converts TTL/CMOS input levels into TIA/RS-232-F levels.
- Outputs are protected against shorts to ground.
Applications
- TIA/RS-232-F compliant systems.
- Battery-powered systems.
- Terminals and modems.
- Computers and other serial communication devices.
Q & A
- What is the MAX232EIPW used for?
The MAX232EIPW is used as a dual RS-232 driver and receiver to facilitate serial communication between devices using the RS-232 standard.
- What power supply does the MAX232EIPW require?
The MAX232EIPW operates from a single 5V power supply.
- What is the data rate capability of the MAX232EIPW?
The MAX232EIPW can operate up to 250 kbit/s.
- What kind of ESD protection does the MAX232EIPW offer?
The MAX232EIPW offers ±15kV HBM, ±8kV IEC61000-4-2 Contact discharge, and ±15kV IEC61000-4-2 Air-gap discharge ESD protection.
- How many drivers and receivers does the MAX232EIPW have?
The MAX232EIPW has two drivers and two receivers.
- What is the typical supply current of the MAX232EIPW?
The typical supply current is 8mA.
- What is the input voltage range for the RS-232 inputs?
The input voltage range for the RS-232 inputs is ±30V.
- What is the output voltage swing for the RS-232 outputs?
The output voltage swing for the RS-232 outputs is ±9V.
- In what package type is the MAX232EIPW available?
The MAX232EIPW is available in a 16-TSSOP package.
- Is the MAX232EIPW recommended for new designs?
No, the MAX232EIPW is not recommended for new designs as it is marked as NRND (Not Recommended for New Designs) by Texas Instruments.
