Overview
The MAX232IDG4, produced by Texas Instruments, is a dual EIA-232 driver/receiver integrated circuit. This device is designed to facilitate communication between TTL/CMOS logic levels and RS-232 serial interface levels. It operates from a single 5V power supply and includes a capacitive voltage generator to produce the necessary RS-232 voltage levels. The MAX232IDG4 is widely used in various applications requiring serial communication, such as modems, terminals, and computers.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 5V | V |
| Supply Current | 8 mA (typical) | mA |
| Data Rate | Up to 120 kbit/s | kbit/s |
| Drivers/Receivers per Package | 2 drivers, 2 receivers | |
| Input Levels | ±30V | V |
| ESD Protection | 2000V Human-body model (A114-A) | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | SOIC (DW) with 16 pins |
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 (A114-A).
- Upgrade with improved ESD (15kV HBM) and 0.1µF charge-pump capacitors available with the MAX202 device.
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 MAX232IDG4?
The MAX232IDG4 is a dual EIA-232 driver/receiver that converts TTL/CMOS logic levels to RS-232 serial interface levels and vice versa.
- What is the operating voltage of the MAX232IDG4?
The MAX232IDG4 operates from a single 5V power supply.
- What is the maximum data rate supported by the MAX232IDG4?
The MAX232IDG4 supports data rates up to 120 kbit/s.
- How many drivers and receivers are included in the MAX232IDG4?
The MAX232IDG4 includes two drivers and two receivers.
- What is the input voltage range for the MAX232IDG4?
The MAX232IDG4 can accept input levels of ±30V.
- What kind of ESD protection does the MAX232IDG4 offer?
The MAX232IDG4 offers ESD protection that exceeds JESD 22 – 2000V Human-body model (A114-A).
- What is the typical supply current of the MAX232IDG4?
The typical supply current of the MAX232IDG4 is 8 mA.
- What are the common applications of the MAX232IDG4?
The MAX232IDG4 is commonly used in TIA/EIA-232-F compliant systems, battery-powered systems, terminals, modems, and computers.
- What package types are available for the MAX232IDG4?
The MAX232IDG4 is available in SOIC (DW) packages with 16 pins.
- What is the operating temperature range of the MAX232IDG4?
The operating temperature range of the MAX232IDG4 is -40°C to 85°C.
