Overview
The MAX232AEWE+T is a dual RS-232 driver and receiver integrated circuit produced by Analog Devices Inc./Maxim Integrated. This device is designed to facilitate seamless communication between devices by converting TTL/CMOS logic levels to RS-232 voltage levels and vice versa. It operates from a single 5V power supply and includes a capacitive voltage generator to produce the necessary RS-232 voltage levels.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 4.5 - 5.5 | V |
| Operating Temperature | -40 to 85 | °C |
| Data Rate | Up to 200 kbps | |
| Number of Drivers/Receivers | 2/2 | |
| Duplex | Full | |
| Receiver Hysteresis | 500 mV | |
| Input Voltage Range | ±30 V | |
| ESD Protection | ±15 kV HBM, ±8 kV IEC61000-4-2 Contact Discharge, ±15 kV IEC61000-4-2 Air-Gap Discharge | |
| Package Type | 16-SOIC | |
| Mounting Type | Surface Mount |
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.
- Accepts ±30V input levels.
- Low supply current: 8mA typical.
- ESD protection exceeds JESD 22 – 2000V Human-body model and up to ±15kV HBM, ±8kV IEC61000-4-2 Contact Discharge, and ±15kV IEC61000-4-2 Air-Gap Discharge.
- Full duplex operation.
- Receiver hysteresis of 500 mV.
Applications
- TIA/EIA-232-F compliant systems.
- Battery-powered systems.
- Terminals and modems.
- Computers and other RS-232 compatible devices.
Q & A
- What is the MAX232AEWE+T used for?
The MAX232AEWE+T is used to convert TTL/CMOS logic levels to RS-232 voltage levels and vice versa, facilitating communication between devices.
- What is the operating voltage range of the MAX232AEWE+T?
The operating voltage range is 4.5V to 5.5V.
- What is the maximum data rate supported by the MAX232AEWE+T?
The MAX232AEWE+T supports data rates up to 200 kbps.
- How many drivers and receivers does the MAX232AEWE+T have?
The device includes two drivers and two receivers.
- What type of ESD protection does the MAX232AEWE+T offer?
The device offers ±15 kV HBM, ±8 kV IEC61000-4-2 Contact Discharge, and ±15 kV IEC61000-4-2 Air-Gap Discharge ESD protection.
- What is the typical supply current of the MAX232AEWE+T?
The typical supply current is 8mA.
- What is the input voltage range that the receivers can accept?
The receivers can accept input voltages up to ±30V.
- What type of package does the MAX232AEWE+T come in?
The device comes in a 16-SOIC package.
- What is the operating temperature range of the MAX232AEWE+T?
The operating temperature range is -40°C to 85°C.
- Is the MAX232AEWE+T suitable for surface mounting?
