Overview
The MAX232CAWE+ is a dual driver/receiver integrated circuit designed for RS-232 communication, produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX232 family and is optimized for operation from a single 5V power supply. It includes a capacitive voltage generator that produces the necessary voltage levels for RS-232 communication from the 5V supply, eliminating the need for external voltage sources. The MAX232CAWE+ is widely used in various applications requiring serial communication, such as in battery-powered systems, terminals, modems, and computers.
Key Specifications
| Characteristic | Value |
|---|---|
| Supply Voltage | 4.5V to 5.5V |
| Package Type | 16-SOIC |
| Number of Drivers/Receivers | 2/2 |
| Data Rate | Up to 120 kbps |
| Input Levels | ±30V |
| Supply Current | Typically 8 mA |
| ESD Protection | Exceeds JESD 22 – 2000V Human-body model (A114-A), improved to 15kV HBM in some versions |
| Operating Temperature | 0°C to 70°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.
- Includes two drivers and two receivers.
- Low supply current: typically 8 mA.
- ESD protection exceeds JESD 22 – 2000V Human-body model (A114-A), with some versions offering improved ESD protection up to 15kV HBM.
- Converts TIA/EIA-232-F inputs to 5V TTL/CMOS levels.
- Surface mount package (16-SOIC).
Applications
- Battery-powered systems.
- Terminals and modems.
- Computers and other serial communication devices.
- Any system requiring RS-232 communication with a single 5V power supply.
Q & A
- What is the MAX232CAWE+ used for?
The MAX232CAWE+ is used for RS-232 communication, converting between RS-232 and TTL/CMOS logic levels.
- What is the power supply requirement for the MAX232CAWE+?
The device operates from a single 5V power supply with 1µF charge-pump capacitors.
- How many drivers and receivers does the MAX232CAWE+ have?
The MAX232CAWE+ has two drivers and two receivers.
- What is the maximum data rate supported by the MAX232CAWE+?
The device supports data rates up to 120 kbps.
- What kind of ESD protection does the MAX232CAWE+ offer?
The device offers ESD protection that exceeds JESD 22 – 2000V Human-body model (A114-A), with some versions providing up to 15kV HBM protection.
- What is the operating temperature range of the MAX232CAWE+?
The operating temperature range is from 0°C to 70°C.
- What type of package does the MAX232CAWE+ come in?
The device comes in a 16-SOIC package.
- How does the MAX232CAWE+ handle input levels?
The device can handle input levels of ±30V.
- What is the typical supply current of the MAX232CAWE+?
The typical supply current is 8 mA.
- What standards does the MAX232CAWE+ comply with?
The device meets or exceeds TIA/EIA-232-F and ITU recommendation V.28 standards.
