Overview
The MAX232CAWE+T is a dual EIA-232 driver/receiver integrated circuit produced by Analog Devices Inc./Maxim Integrated. This component is designed to facilitate communication between TTL/CMOS logic levels and EIA-232-F (RS-232) voltage levels, making it a crucial part of various serial communication systems. It operates from a single 5V power supply and includes a capacitive voltage generator to produce the necessary voltage levels for RS-232 communication.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (VCC) | 4.5V to 5.5V |
| Operating Temperature | 0°C to 70°C |
| Package Type | SOIC (16-pin), PDIP (16-pin), SOP (16-pin) |
| Package Size | SOIC: 9.9mm × 6mm, PDIP: 19.3mm × 9mm, SOP: 10.2mm × 7.8mm |
| Data Rate | Up to 120 kbit/s |
| Input Levels | ±30V |
| Supply Current | 8mA typical |
| ESD Protection | Exceeds JESD 22 – 2000V Human-body model (A114-A), 15kV HBM for upgraded versions |
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.
- Supports data rates up to 120 kbit/s.
- Low supply current: 8mA typical.
- ESD protection exceeds JESD 22 – 2000V Human-body model (A114-A) and 15kV HBM for upgraded versions.
- Converts TTL/CMOS input levels to EIA-232-F levels and vice versa.
Applications
- Battery-powered systems.
- Terminals.
- Modems.
- Computers.
- Any system requiring RS-232 serial communication.
Q & A
- What is the MAX232CAWE+T used for? The MAX232CAWE+T is used to convert TTL/CMOS logic levels to EIA-232-F (RS-232) voltage levels and vice versa, facilitating serial communication.
- What is the operating voltage range of the MAX232CAWE+T? The operating voltage range is 4.5V to 5.5V.
- What are the package options for the MAX232CAWE+T? The component is available in SOIC (16-pin), PDIP (16-pin), and SOP (16-pin) packages.
- What is the maximum data rate supported by the MAX232CAWE+T? The MAX232CAWE+T supports data rates up to 120 kbit/s.
- Does the MAX232CAWE+T have ESD protection? Yes, it exceeds JESD 22 – 2000V Human-body model (A114-A) and 15kV HBM for upgraded versions.
- What are the typical supply current and input levels of the MAX232CAWE+T? The typical supply current is 8mA, and it can accept ±30V input levels.
- What standards does the MAX232CAWE+T comply with? It meets or exceeds TIA/EIA-232-F and ITU recommendation V.28 standards.
- How many drivers and receivers does the MAX232CAWE+T have? It includes two drivers and two receivers.
- What types of systems can the MAX232CAWE+T be used in? It can be used in battery-powered systems, terminals, modems, computers, and any system requiring RS-232 serial communication.
- What is the significance of the charge-pump capacitors in the MAX232CAWE+T? The charge-pump capacitors (typically 1µF) are used to generate the necessary voltage levels for RS-232 communication from a single 5V power supply.
