Overview
The MAX232EESE+ is an RS-232 Interface IC manufactured by Analog Devices Inc./Maxim Integrated. This integrated circuit is designed to convert logic levels between RS-232 and TTL/CMOS voltage levels, making it a crucial component for balanced voltage digital data transmission and reception over short distances. The MAX232EESE+ features a dual driver/receiver configuration, providing two independent transmitter and two independent receiver channels. It is particularly robust, with output short-circuit protection and thermal shutdown capabilities.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC-16 |
| Data Rate | Up to 120 kbps |
| Supply Voltage | 4.5V to 5.5V |
| Operating Supply Current | 8 mA typical |
| ESD Protection | ±15kV Human-body model (HBM), ±8kV IEC61000-4-2 contact discharge, ±15kV IEC61000-4-2 air-gap discharge |
| Number of Drivers/Receivers | 2 drivers, 2 receivers |
| Operating Temperature | 0°C to 70°C |
| Receiver Hysteresis | 0.5 V typical |
Key Features
- Meets or exceeds TIA/RS-232-F and ITU recommendation V.28 specifications.
- High ESD protection: ±15kV Human-body model (HBM), ±8kV IEC61000-4-2 contact discharge, and ±15kV IEC61000-4-2 air-gap discharge.
- Operates from a single 5V power supply with integrated charge-pump capacitors.
- Low supply current: 8 mA typical.
- Two drivers and two receivers with output short-circuit protection and thermal shutdown.
- Supports data rates up to 120 kbps.
- Receiver converts RS-232 inputs to 5V TTL/CMOS levels with a typical threshold of 1.3V and hysteresis of 0.5V.
Applications
- Battery-powered systems.
- Terminals.
- Modems.
- Computers.
- Notebook computers and other portable devices where the RS-232 connection is frequently changed.
Q & A
- What is the primary function of the MAX232EESE+ IC?
The MAX232EESE+ is used to convert logic levels between RS-232 and TTL/CMOS voltage levels.
- What is the maximum data rate supported by the MAX232EESE+?
The MAX232EESE+ supports data rates up to 120 kbps.
- What type of ESD protection does the MAX232EESE+ offer?
The MAX232EESE+ offers ±15kV Human-body model (HBM), ±8kV IEC61000-4-2 contact discharge, and ±15kV IEC61000-4-2 air-gap discharge ESD protection.
- How many drivers and receivers does the MAX232EESE+ have?
The MAX232EESE+ has two drivers and two receivers.
- What is the operating supply voltage range for the MAX232EESE+?
The operating supply voltage range is 4.5V to 5.5V.
- What is the typical supply current of the MAX232EESE+?
The typical supply current is 8 mA.
- What are some common applications of the MAX232EESE+?
Common applications include battery-powered systems, terminals, modems, computers, and notebook computers.
- Does the MAX232EESE+ have integrated charge-pump capacitors?
Yes, the MAX232EESE+ operates with integrated charge-pump capacitors.
- What is the operating temperature range of the MAX232EESE+?
The operating temperature range is 0°C to 70°C.
- What is the receiver hysteresis of the MAX232EESE+?
The receiver hysteresis is 0.5 V typical.
