Overview
The MAX232AMJE is a dual driver/receiver integrated circuit designed by Analog Devices Inc./Maxim Integrated. This component is part of the MAX232 family, which is widely used for converting between TTL/CMOS logic levels and EIA-232-F (RS-232) voltage levels. The MAX232AMJE operates from a single 5V power supply and includes a capacitive voltage generator to produce the necessary voltage levels for RS-232 communication. It is particularly useful in applications requiring reliable serial communication interfaces.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4.5 to 5.5 | V |
| Operating Temperature (TA) | 0 to 70°C (MAX232), -40 to 85°C (MAX232I) | °C |
| Input Voltage (VIH, VIL) | 2 V, 0.8 V | V |
| Receiver Input Voltage | ±30 V | V |
| Supply Current | 8 mA (typical) | mA |
| Data Rate | Up to 120 kbps | kbps |
| ESD Protection | 2000 V HBM, 1000 V CDM | V |
| Package Type | 16-pin CERDIP |
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.
- Low supply current: 8 mA typical.
- ESD protection exceeds JESD 22 – 2000V Human-body model.
- Converts TIA/EIA-232-F inputs to 5V TTL/CMOS levels.
Applications
- TIA/EIA-232-F interfaces.
- Battery-powered systems.
- Terminals and modems.
- Computers and other serial communication devices.
Q & A
- What is the MAX232AMJE used for? The MAX232AMJE is used for converting between TTL/CMOS logic levels and EIA-232-F (RS-232) voltage levels.
- What is the operating voltage of the MAX232AMJE? The MAX232AMJE operates from a single 5V power supply.
- What is the maximum data rate supported by the MAX232AMJE? The MAX232AMJE supports data rates up to 120 kbps.
- Does the MAX232AMJE have ESD protection? Yes, the MAX232AMJE has ESD protection exceeding JESD 22 – 2000V Human-body model.
- What are the typical applications of the MAX232AMJE? Typical applications include TIA/EIA-232-F interfaces, battery-powered systems, terminals, modems, and computers.
- What is the package type of the MAX232AMJE? The MAX232AMJE comes in a 16-pin CERDIP package.
- What are the receiver input voltage levels for the MAX232AMJE? The receiver input voltage levels are ±30 V.
- How many drivers and receivers does the MAX232AMJE have? The MAX232AMJE includes two drivers and two receivers.
- What is the typical supply current of the MAX232AMJE? The typical supply current is 8 mA.
- Does the MAX232AMJE meet industry standards for RS-232 communication? Yes, it meets or exceeds TIA/EIA-232-F and ITU recommendation V.28 standards.
