Overview
The MAX232AEWE+ is a dual driver/receiver integrated circuit designed for RS-232 communication interfaces. Produced by Analog Devices Inc./Maxim Integrated, this component is part of the MAX232 family, which is renowned for its ability to operate from a single 5V power supply and generate the necessary voltage levels for RS-232 communication.
This device includes a capacitive voltage generator that uses four capacitors to produce the required RS-232 voltage levels, making it highly efficient and suitable for a variety of applications, especially in systems where space and power are limited.
Key Specifications
| Parameter | Value | Units | Conditions |
|---|---|---|---|
| Supply Voltage (VCC) | 4.5 to 5.5 | V | |
| Supply Current | 8 mA (typical) | mA | |
| Data Rate | Up to 120 kbps | kbps | |
| Input Voltage Range | ±30 V | V | |
| ESD Protection | 15 kV HBM | kV | |
| Package Types | SOIC, PDIP, SOP | ||
| Number of Drivers/Receivers | 2 Drivers, 2 Receivers |
Key Features
- Operates from a single 5V power supply with 1µF charge-pump capacitors.
- Meets or exceeds TIA/EIA-232-F and ITU recommendation V.28 specifications.
- Supports data rates up to 120 kbps.
- 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) and up to 15 kV HBM.
Applications
- Battery-powered systems.
- Terminals and modems.
- Computers and portable computers.
- Low-power RS-232 systems.
- Multidrop RS-232 networks.
Q & A
- What is the MAX232AEWE+ used for?
The MAX232AEWE+ is used for RS-232 communication interfaces, converting TTL/CMOS levels to RS-232 levels and vice versa.
- What is the operating voltage range of the MAX232AEWE+?
The operating voltage range is 4.5V to 5.5V.
- How many drivers and receivers does the MAX232AEWE+ have?
The MAX232AEWE+ has two drivers and two receivers.
- What is the maximum data rate supported by the MAX232AEWE+?
The maximum data rate supported is up to 120 kbps.
- What kind of ESD protection does the MAX232AEWE+ offer?
The MAX232AEWE+ offers ESD protection exceeding JESD 22 – 2000V Human-body model (A114-A) and up to 15 kV HBM.
- What types of packages are available for the MAX232AEWE+?
The MAX232AEWE+ is available in SOIC, PDIP, and SOP packages.
- What are the typical applications of the MAX232AEWE+?
Typical applications include battery-powered systems, terminals, modems, computers, and multidrop RS-232 networks.
- How does the MAX232AEWE+ generate RS-232 voltage levels?
The MAX232AEWE+ generates RS-232 voltage levels using a capacitive voltage generator with four 1µF charge-pump capacitors.
- What is the input voltage range for the receivers of the MAX232AEWE+?
The input voltage range for the receivers is ±30V.
- Is the MAX232AEWE+ suitable for low-power applications?
