MAX232CSE+T RS-232 Transceiver | High-Performance TTL to RS-232 Converter by Maxim
MAX232CSE+T: A Reliable and Efficient RS-232 Transceiver for Serial Communication
In embedded systems, industrial automation, and communication interface design, RS-232 serial communication remains an essential standard. Converting logic-level signals to RS-232 voltage levels reliably is crucial to maintaining stable system operation. The MAX232CSE+T transceiver from Maxim Integrated offers a proven solution for this task, featuring excellent performance, high stability, and strong brand credibility — making it a trusted choice for engineers worldwide.
Product Overview
MAX232CSE+T is a dual-channel RS-232 line driver/receiver that features integrated charge pump circuitry, ±15kV ESD protection, and two drivers and two receivers. It converts TTL/CMOS logic levels to RS-232 signal levels without the need for an external dual power supply, greatly simplifying circuit design.
This device is widely used in applications such as microcontroller-to-PC communication, motor control boards, data acquisition systems, POS terminals, and industrial communication equipment. It is suitable for both consumer electronics and industrial environments.
Key Features
Power Supply: Operates with a single +5V supply
Channels: Includes 2 RS-232 drivers and 2 RS-232 receivers
Integrated Charge Pump: Generates ±10V internally, eliminating the need for dual external supplies
ESD Protection: ±15kV Human Body Model (HBM) for enhanced robustness
Data Rate: Supports up to 120kbps serial communication
Low Power: Low static current consumption for power-sensitive designs
Package: SOIC-16 small form factor, ideal for compact PCB layouts
Temperature Range: 0°C to +70°C (commercial grade)
Typical Applications
The MAX232CSE+T is ideal for any design requiring TTL-to-RS-232 level translation, including:
Microcontroller-to-PC serial interfaces
Industrial automation and control systems
POS terminals and tax control devices
Medical equipment and data loggers
Security and surveillance systems
Embedded communication modules
Competitive Advantages and Equivalent Models
Among many RS-232 transceivers, MAX232CSE+T stands out for its reliability, integration, and brand reputation. Below is a comparison with popular alternatives:
| Model | Brand | Supply Voltage | Data Rate | Package | Integrated Charge Pump | Highlights |
|---|---|---|---|---|---|---|
| MAX232CSE+T | Maxim Integrated | 5V | 120 kbps | SOIC-16 | Yes | High reliability, trusted brand |
| SP232EEN-L/TR | MaxLinear (Exar) | 5V | 120 kbps | SOIC-16 | Yes | Cost-effective, compatible |
| ST232CN | STMicroelectronics | 5V | 120 kbps | SOIC-16 | Yes | Affordable, stable performance |
| SN75C185DR | Texas Instruments | 5V | 250 kbps | SOIC-8 | Yes | Compact package, higher speed |
| ICL232CPEZ | Renesas (Intersil) | 5V | 120 kbps | DIP-16 | Yes | DIP package for prototyping |
Packaging and Ordering Information
Part Number: MAX232CSE+T
Manufacturer: Maxim Integrated (now part of Analog Devices)
Package: SOIC-16 (narrow-body)
Tape & Reel: 'T' denotes Tape & Reel packaging, suitable for SMT
Environmental Compliance: RoHS-compliant
Ordering Options: Available for sample orders, small batch, and volume procurement
The MAX232CSE+T is a well-established, reliable RS-232 transceiver ideal for a wide range of embedded and industrial communication systems. With its integrated charge pump, compact design, and trusted brand background, it stands as a dependable component in both new product development and legacy system maintenance.
Whether you're building a new device or updating an existing one, MAX232CSE+T provides a robust solution for RS-232 communication. Asourcing Electronics Limited is ready to support your project with high-quality components, competitive pricing, and exceptional service.
For quotes, samples, or technical documentation, feel free to contact our sales team — we’re here to help you accelerate your development and production success.
