Overview
The MAX232EIPWG4, produced by Texas Instruments, is a dual RS-232 driver and receiver integrated circuit. This device is designed to meet or exceed the TIA/EIA-232-F and ITU recommendation V.28 standards. It operates from a single 5V power supply and includes a capacitive voltage generator that uses four external 1µF capacitors to generate the necessary voltage levels for RS-232 communication. The MAX232EIPWG4 is particularly notable for its enhanced ESD protection and high data rate capabilities, making it suitable for a variety of applications requiring reliable serial communication.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Voltage | 5V | V |
| Supply Current | 8mA | mA |
| Data Rate | Up to 250kbit/s | kbit/s |
| Input Levels | ±30V | V |
| Output Voltage (High) | 5 to 7V | V |
| Output Voltage (Low) | -5 to -7V | V |
| ESD Protection | ±15kV HBM, ±8kV IEC61000-4-2 Contact Discharge, ±15kV IEC61000-4-2 Air-Gap Discharge | kV |
| Operating Temperature Range | -40 to 85°C | °C |
| Package Type | TSSOP-16 |
Key Features
- Meets or exceeds TIA/EIA-232-F and ITU recommendation V.28 standards.
- Operates from a single 5V power supply with 1µF charge-pump capacitors.
- Two drivers and two receivers for full-duplex communication.
- Low supply current: 8mA typical.
- Enhanced ESD protection: ±15kV HBM, ±8kV IEC61000-4-2 Contact Discharge, ±15kV IEC61000-4-2 Air-Gap Discharge.
- Each receiver converts RS-232 inputs to 5V TTL/CMOS levels with a typical threshold of 1.3V and hysteresis of 0.5V.
- Outputs are protected against shorts to ground.
Applications
- TIA/EIA-232-F compliant systems.
- Battery-powered systems.
- Terminals and modems.
- Computers and other serial communication devices.
Q & A
- What is the primary function of the MAX232EIPWG4?
The MAX232EIPWG4 is a dual RS-232 driver and receiver that converts TTL/CMOS logic levels to RS-232 levels and vice versa.
- What is the operating voltage of the MAX232EIPWG4?
The MAX232EIPWG4 operates from a single 5V power supply.
- What is the maximum data rate supported by the MAX232EIPWG4?
The MAX232EIPWG4 supports data rates up to 250kbit/s.
- What kind of ESD protection does the MAX232EIPWG4 offer?
The MAX232EIPWG4 offers ±15kV HBM, ±8kV IEC61000-4-2 Contact Discharge, and ±15kV IEC61000-4-2 Air-Gap Discharge ESD protection.
- What is the typical supply current of the MAX232EIPWG4?
The typical supply current is 8mA.
- What are the input and output voltage levels for the MAX232EIPWG4?
The input levels can handle ±30V, and the output voltage levels are typically between 5V and -7V.
- What type of package does the MAX232EIPWG4 come in?
The MAX232EIPWG4 comes in a TSSOP-16 package.
- What is the operating temperature range of the MAX232EIPWG4?
The operating temperature range is -40 to 85°C.
- Can the MAX232EIPWG4 be used in battery-powered systems?
Yes, the MAX232EIPWG4 is suitable for battery-powered systems due to its low supply current.
- What are some common applications of the MAX232EIPWG4?
Common applications include TIA/EIA-232-F compliant systems, terminals, modems, and computers.
