Overview
The MAX232CEAWE+ 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 series, known for its ability to operate from a single +5V power supply. It includes an integrated charge pump to generate the necessary voltage levels for RS-232 communication, eliminating the need for a bipolar ±12V supply.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage | +5V | V |
| Supply Current | 8 mA (typical) | mA |
| Data Rate | Up to 120 kbit/s | kbit/s |
| Input Voltage Levels | ±30V | V |
| Output Voltage Swing | ±5 to ±8 V | V |
| Logic Input Levels | Logic-Low: 0.8 V, Logic-High: 2 V | V |
| ESD Protection | Exceeds JESD 22 – 2000V Human-body model (A114-A) | V |
| Package Type | 16-pin SOIC | |
| Operating Temperature Range | 0°C to +70°C (up to -55°C to +125°C for some packages) | °C |
Key Features
- Meets or exceeds TIA/EIA-232-F and ITU recommendation V.28 standards.
- Operates from a single +5V power supply with integrated charge pump circuitry.
- 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).
- Supports data rates up to 120 kbit/s.
Applications
- TIA/EIA-232-F interfaces.
- Battery-powered systems.
- Terminals and modems.
- Computers and other RS-232 compatible devices.
- Interface translation and multidrop RS-232 networks.
- Portable diagnostics equipment.
Q & A
- What is the primary function of the MAX232CEAWE+?
The MAX232CEAWE+ is a dual driver/receiver IC designed to convert TTL/CMOS logic levels to RS-232 voltage levels and vice versa.
- What is the operating voltage of the MAX232CEAWE+?
The MAX232CEAWE+ operates from a single +5V power supply.
- What is the maximum data rate supported by the MAX232CEAWE+?
The MAX232CEAWE+ supports data rates up to 120 kbit/s.
- What kind of ESD protection does the MAX232CEAWE+ offer?
The MAX232CEAWE+ offers ESD protection that exceeds JESD 22 – 2000V Human-body model (A114-A).
- What are the typical input and output voltage levels for the MAX232CEAWE+?
The typical input voltage levels are ±30V, and the output voltage swing is ±5 to ±8 V.
- What are the common applications of the MAX232CEAWE+?
Common applications include TIA/EIA-232-F interfaces, battery-powered systems, terminals, modems, computers, and portable diagnostics equipment.
- What package types are available for the MAX232CEAWE+?
The MAX232CEAWE+ is available in a 16-pin SOIC package among others.
- What is the operating temperature range of the MAX232CEAWE+?
The operating temperature range is typically 0°C to +70°C, with some packages supporting -55°C to +125°C.
- Does the MAX232CEAWE+ require external components for operation?
No, the MAX232CEAWE+ includes an integrated charge pump and does not require external components for generating RS-232 voltage levels.
- How many drivers and receivers does the MAX232CEAWE+ have?
The MAX232CEAWE+ includes two drivers and two receivers.
