Overview
The MAX232ECPWRG4, produced by Texas Instruments, is a dual driver and receiver designed to meet or exceed the TIA/RS-232-F and ITU recommendation V.28 standards. This component is part of the MAX232E series, which is known for its robust ESD protection and efficient operation from a single 5V power supply. The MAX232ECPWRG4 includes a capacitive voltage generator that enables the conversion of TTL/CMOS logic levels to RS-232-F compliant voltage levels, making it suitable for a wide range of applications requiring serial communication.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Supply | 5V | V |
| Supply Current | 8mA (typical) | mA |
| Data Rate | Up to 250kbit/s | kbit/s |
| Number of Drivers/Receivers | Two drivers, two receivers | |
| Input Voltage Range | ±30V | V |
| ESD Protection | ±15kV Human-body model (HBM), ±8kV IEC61000-4-2 contact discharge, ±15kV IEC61000-4-2 air-gap discharge | kV |
| Receiver Threshold | Typical 1.3V | V |
| Receiver Hysteresis | Typical 0.5V | V |
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.
- High data rate capability up to 250kbit/s.
- Robust 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.
- Fail-safe operation for open or shorted inputs to ground.
Applications
- Battery-powered systems.
- Terminals and modems.
- Computers and other serial communication devices.
- Any system requiring TIA/RS-232-F compliant serial communication.
Q & A
- What is the power supply requirement for the MAX232ECPWRG4?
The MAX232ECPWRG4 operates from a single 5V power supply.
- What is the maximum data rate supported by the MAX232ECPWRG4?
The MAX232ECPWRG4 supports data rates up to 250kbit/s.
- How many drivers and receivers does the MAX232ECPWRG4 have?
The MAX232ECPWRG4 has two drivers and two receivers.
- What level of ESD protection does the MAX232ECPWRG4 offer?
The MAX232ECPWRG4 offers ±15kV Human-body model (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 MAX232ECPWRG4?
The typical supply current is 8mA.
- What is the input voltage range for the receivers of the MAX232ECPWRG4?
The receivers can accept input voltages up to ±30V.
- What is the typical threshold and hysteresis of the receivers in the MAX232ECPWRG4?
The typical threshold is 1.3V, and the typical hysteresis is 0.5V.
- What kind of fail-safe operation does the MAX232ECPWRG4 provide?
The MAX232ECPWRG4 provides fail-safe operation for open or shorted inputs to ground.
- What are some common applications of the MAX232ECPWRG4?
Common applications include battery-powered systems, terminals, modems, computers, and other serial communication devices.
- How does the MAX232ECPWRG4 convert TTL/CMOS levels to RS-232-F levels?
The MAX232ECPWRG4 uses a capacitive voltage generator with four external capacitors to convert TTL/CMOS levels to RS-232-F compliant voltage levels.
