Overview
The MAX232DE4, 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 SOIC (Small Outline Integrated Circuit) format. It operates from a single 5V power supply and includes a capacitive voltage generator to produce the necessary voltage levels for RS-232 communication.
The MAX232DE4 is widely used in various applications requiring RS-232 interface conversion, such as in battery-powered systems, terminals, modems, and computers. Its compact packaging and low power consumption make it an ideal choice for a range of electronic systems.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Package Type | 16-pin SOIC | Small Outline Integrated Circuit package |
| Supply Voltage | 4.5V to 5.5V | Single 5V power supply with 1µF charge-pump capacitors |
| Data Rate | Up to 120 kbit/s | Maximum data transmission rate |
| Number of Drivers/Receivers | 2/2 | Dual driver and dual receiver configuration |
| Input Levels | ±30V | Acceptable input voltage range for RS-232 signals |
| Supply Current | 8 mA typical | Low supply current for power efficiency |
| ESD Protection | 2000V Human-body model (A114-A) | Electrostatic discharge protection level |
| Operating Temperature | 0°C to 70°C | Temperature range for normal operation |
| Receiver Hysteresis | 500mV | Hysteresis of the receiver to improve noise immunity |
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 of 8 mA typical.
- ESD protection exceeds JESD 22 – 2000V Human-body model (A114-A).
- Each receiver converts TIA/EIA-232-F inputs to 5V TTL/CMOS levels with a typical threshold of 1.3 V and hysteresis of 0.5 V.
- Each driver converts TTL/CMOS input levels into TIA/EIA-232-F levels.
Applications
- TIA/EIA-232-F compliant systems.
- Battery-powered systems.
- Terminals and terminal equipment.
- Modems and other serial communication devices.
- Computers and computer peripherals requiring RS-232 interface.
Q & A
- What is the MAX232DE4 used for?
The MAX232DE4 is used to convert TTL/CMOS logic levels to RS-232 serial interface levels and vice versa.
- What is the operating voltage range of the MAX232DE4?
The operating voltage range is from 4.5V to 5.5V.
- What is the maximum data rate supported by the MAX232DE4?
The MAX232DE4 supports data rates up to 120 kbit/s.
- How many drivers and receivers does the MAX232DE4 have?
The MAX232DE4 has two drivers and two receivers.
- What is the acceptable input voltage range for the MAX232DE4?
The acceptable input voltage range is ±30V.
- What is the typical supply current of the MAX232DE4?
The typical supply current is 8 mA.
- Does the MAX232DE4 have ESD protection?
- What is the operating temperature range of the MAX232DE4?
The operating temperature range is from 0°C to 70°C.
- What type of package does the MAX232DE4 come in?
The MAX232DE4 comes in a 16-pin SOIC package.
- Is the MAX232DE4 RoHS compliant?
