Driver/Receiver, Rs232, 120Kbps, Nsoic16; Ic Type:Rs232 Driver/Receiver; No. Of Receivers:2Receivers; No. Of Transmitters:2; Communication Mode:-; Data Rate Max:120Kbps; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Fail Safe:- Rohs Compliant: Yes |Analog Devices MAX232ESE+

MAX232ESE+ – Dual RS-232 Transceiver IC – Analog Devices

The MAX232ESE+ from Analog Devices is a robust dual-driver/dual-receiver RS-232 transceiver IC, engineered to simplify serial communication in embedded systems. This surface-mount solution efficiently converts TTL/CMOS logic levels to RS-232 voltage levels while operating from a single 5V supply. PCX supplies this industry-standard component with guaranteed authenticity, same-day shipping, and dedicated technical support.

Key Features

• Interface Protocol: RS-232 compliant
• Data Rate: Up to 120Kbps
• Supply Voltage: 4.5V to 5.5V
• Operating Temperature: -40°C to +85°C
• Configuration: 2 drivers + 2 receivers
• Duplex: Full duplex operation
• Package: 16-SOIC (3.90mm width)
• Compliance: RoHS certified

Technical Details

This active transceiver features 500mV receiver hysteresis for noise immunity and requires minimal external components—only four 1µF capacitors. The 16-SOIC package enables compact PCB designs for space-constrained applications. As part of Analog Devices’ MAX232 base series, it maintains backward compatibility with legacy systems while offering improved ESD protection.

Typical Applications

• Industrial control systems (PLC communication)
• Point-of-sale terminals and barcode scanners
• Embedded microcontroller interfaces
• Legacy computer peripheral adapters
• Telecommunication monitoring equipment

About Analog Devices

Analog Devices (ADI) is a global leader in high-performance semiconductors, renowned for precision analog and mixed-signal technologies. Their acquisition of Maxim Integrated further strengthened their portfolio in interface and connectivity solutions. For over 50 years, ADI has set industry benchmarks for reliability across automotive, industrial, and communications markets.

ADI components undergo rigorous quality testing and comply with international standards. Their design expertise ensures products like the MAX232ESE+ deliver consistent performance in electrically noisy environments, making them preferred solutions for mission-critical systems worldwide.

About RS-232 Transceivers

RS-232 transceivers bridge logic-level circuits with serial communication ports, enabling devices to transmit data over longer distances (typically up to 15 meters). They convert low-voltage digital signals to ±5V to ±15V levels required by the RS-232 standard, providing noise immunity through differential signaling.

Despite newer protocols, RS-232 remains vital for industrial automation, diagnostic tools, and legacy equipment maintenance. Modern transceivers like the MAX232ESE+ maintain compatibility while improving power efficiency and integration, eliminating the need for external voltage converters.

Packaging Options

Available in protective Tube packaging for automated assembly. Contact PCX for reel quantity options or custom kitting requirements.

Frequently Asked Questions

Q: Does this IC require external charge pumps?
A: Yes, it requires four external 1µF capacitors for voltage conversion, as detailed in the datasheet.

Q: Is the MAX232ESE+ compatible with 3.3V logic?
A: While designed for 5V systems, it accepts 3.3V logic inputs but requires a 4.5-5.5V supply.

Q: What ESD protection does it offer?
A: Typical ESD protection exceeds ±15kV on I/O lines (Human Body Model).

Q: Can it replace older MAX232 variants?
A: Yes, the MAX232ESE+ is pin-compatible with earlier versions and offers improved specifications.

Q: Why choose RS-232 over USB in modern designs?
A: RS-232 provides simpler point-to-point communication, lower software overhead, and superior noise immunity in industrial settings.

Q: How does PCX ensure component authenticity?
A: PCX sources exclusively from authorized channels and provides full traceability documentation.

Note: Product image is representational. Refer to datasheet for exact dimensions.
Download datasheet: PCXCo.com/datasheets/max232ese-plus

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