Overview
The MAX232DRE4, produced by Texas Instruments, is a dual driver/receiver integrated circuit designed to meet or exceed the TIA/EIA-232-F and ITU recommendation V.28 standards. This device is part of the MAX232 family and is specifically packaged in a SOIC (D) package with 16 pins. It operates from a single 5V power supply and includes a capacitive voltage generator that uses four 1µF external capacitors to generate the necessary voltage levels for RS-232 communication. The MAX232DRE4 is versatile and can be used in various applications requiring RS-232 interface conversion between TTL/CMOS logic levels and RS-232 levels.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 4.5 to 5.5 | V |
| Operating Temperature Range | 0 to 70 | °C |
| Data Rate | Up to 120 kbit/s | |
| Number of Drivers/Receivers | Two drivers, two receivers | |
| Input Levels | ±30 V | |
| Supply Current | 8 mA (typical) | |
| ESD Protection | ±2000 V Human-body model (HBM) | |
| Package Type | SOIC (D) | |
| Package Pins | 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.
- Supports data rates up to 120 kbit/s.
- Includes two drivers and two receivers.
- Accepts ±30V input levels.
- Low supply current: 8 mA typical.
- ESD protection exceeds JESD 22 – 2000V Human-body model (HBM).
- Each receiver converts RS-232 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 RS-232 levels.
Applications
- TIA/EIA-232-F compliant systems.
- Battery-powered systems.
- Terminals and modems.
- Computers and other RS-232 interface devices.
Q & A
- What is the MAX232DRE4 used for?
The MAX232DRE4 is used for converting TTL/CMOS logic levels to RS-232 levels and vice versa, making it suitable for various RS-232 interface applications.
- What is the operating voltage of the MAX232DRE4?
The MAX232DRE4 operates from a single 5V power supply.
- What is the maximum data rate supported by the MAX232DRE4?
The MAX232DRE4 supports data rates up to 120 kbit/s.
- How many drivers and receivers does the MAX232DRE4 have?
The MAX232DRE4 includes two drivers and two receivers.
- What is the input voltage range for the MAX232DRE4?
The MAX232DRE4 can accept input levels of ±30 V.
- What is the typical supply current of the MAX232DRE4?
The typical supply current of the MAX232DRE4 is 8 mA.
- Does the MAX232DRE4 have ESD protection?
- What type of package does the MAX232DRE4 come in?
The MAX232DRE4 comes in a SOIC (D) package with 16 pins.
- What are the operating temperature ranges for the MAX232DRE4?
The operating temperature range for the MAX232DRE4 is from 0 to 70°C.
- Can the MAX232DRE4 be used in battery-powered systems?
