Overview
The MAX232EIPWR, produced by Texas Instruments, is a dual driver and receiver integrated circuit designed to facilitate communication between TTL/CMOS logic levels and RS-232 serial interface levels. This device is particularly useful in applications requiring conversion between the voltage levels of TTL/CMOS circuits and the higher voltage levels required by RS-232 interfaces.
The MAX232EIPWR includes a capacitive voltage generator that enables it to operate from a single 5V power supply, using four external 1µF charge-pump capacitors. This feature makes it highly versatile and efficient for various electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | TSSOP (16 pins) |
| Operating Temperature Range | -40°C to 85°C |
| Supply Voltage | 5V |
| Supply Current | 8mA (typical) |
| Data Rate | Up to 250kbit/s |
| Number of Drivers/Receivers | Two drivers, two receivers |
| Input Levels | ±30V |
| ESD Protection | ±15kV Human-body model (HBM), ±8kV IEC61000-4-2 (Contact discharge), ±15kV IEC61000-4-2 (Air-gap discharge) |
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.
- Supports data rates up to 250kbit/s.
- Includes two drivers and two receivers.
- Accepts ±30V input levels.
- Low supply current: 8mA typical.
- ESD protection exceeds JESD 22 – 15kV Human-body model (HBM) and IEC61000-4-2 standards.
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 MAX232EIPWR?
The MAX232EIPWR is a dual driver and receiver that converts TTL/CMOS logic levels to RS-232 serial interface levels and vice versa.
- What is the operating voltage range of the MAX232EIPWR?
The MAX232EIPWR operates from a single 5V power supply.
- How many drivers and receivers does the MAX232EIPWR have?
The MAX232EIPWR includes two drivers and two receivers.
- What is the maximum data rate supported by the MAX232EIPWR?
The MAX232EIPWR supports data rates up to 250kbit/s.
- What kind of ESD protection does the MAX232EIPWR offer?
The MAX232EIPWR offers ESD protection exceeding ±15kV Human-body model (HBM) and ±8kV IEC61000-4-2 (Contact discharge), ±15kV IEC61000-4-2 (Air-gap discharge).
- What are the typical input levels for the receivers on the MAX232EIPWR?
The receivers can accept ±30V input levels.
- What is the typical supply current of the MAX232EIPWR?
The typical supply current is 8mA.
- What types of applications is the MAX232EIPWR suitable for?
The MAX232EIPWR is suitable for TIA/EIA-232-F compliant systems, battery-powered systems, terminals, modems, and computers.
- What kind of capacitors are required for the charge pump in the MAX232EIPWR?
The charge pump requires four external 1µF capacitors.
- What is the operating temperature range of the MAX232EIPWR?
The operating temperature range is -40°C to 85°C.
