Overview
The MAX232INE4, produced by Texas Instruments, is a dual driver/receiver integrated circuit designed to facilitate communication between TTL/CMOS logic levels and RS-232 serial interface levels. This device is part of the MAX232 family and is specifically packaged in a 16-pin PDIP (Plastic Dual In-Line Package) configuration. It includes a capacitive voltage generator that enables the conversion of a single 5V power supply to the necessary voltage levels for RS-232 communication.
The MAX232INE4 is an enhanced version of the MAX232, offering improved ESD protection and other advanced features. It is widely used in various applications requiring serial communication, such as battery-powered systems, terminals, modems, and computers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4.5 to 5.5 | V |
| Supply Current | 8 | mA (typical) |
| Data Rate | Up to 120 kbit/s | - |
| Number of Drivers/Receivers | 2 Drivers, 2 Receivers | - |
| Input Levels | ±30 V | V |
| ESD Protection | ±15 kV Human-body model (HBM) | - |
| Receiver Input Threshold | 1.3 V (typical) | V |
| Receiver Hysteresis | 0.5 V (typical) | V |
| Package Type | PDIP (16-pin) | - |
| Operating Temperature | 0 to 70°C | °C |
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 120 kbit/s.
- Includes two drivers and two receivers.
- Accepts ±30V input levels.
- Low supply current: 8mA typical.
- ESD protection exceeds JESD 22 – 2000V Human-body model (A114-A) and up to ±15kV HBM for the MAX232E version.
- Each receiver converts RS-232 inputs to 5V TTL/CMOS levels with a typical threshold of 1.3V and hysteresis of 0.5V.
Applications
- TIA/EIA-232-F compliant systems.
- Battery-powered systems.
- Terminals and terminals equipment.
- Modems.
- Computers and computer peripherals.
Q & A
- What is the MAX232INE4 used for?
The MAX232INE4 is used to convert TTL/CMOS logic levels to RS-232 serial interface levels and vice versa.
- What is the power supply requirement for the MAX232INE4?
The MAX232INE4 operates from a single 5V power supply.
- What is the maximum data rate supported by the MAX232INE4?
The MAX232INE4 supports data rates up to 120 kbit/s.
- How many drivers and receivers does the MAX232INE4 have?
The MAX232INE4 has two drivers and two receivers.
- What is the input voltage range for the MAX232INE4 receivers?
The receivers can accept input levels of ±30V.
- What kind of ESD protection does the MAX232INE4 offer?
The MAX232INE4 offers ESD protection exceeding JESD 22 – 2000V Human-body model (A114-A) and up to ±15kV HBM for the MAX232E version.
- What is the typical supply current of the MAX232INE4?
The typical supply current is 8mA.
- What are the common applications of the MAX232INE4?
Common applications include battery-powered systems, terminals, modems, and computers.
- What package type is the MAX232INE4 available in?
The MAX232INE4 is available in a 16-pin PDIP package.
- What is the operating temperature range of the MAX232INE4?
The operating temperature range is 0 to 70°C.
