MAX3222ECWN+ RS-232 Interface IC by MAXIM – Efficient Serial Communication for Embedded Designs
The RS-232 Interface IC MAX3222ECWN+ by MAXIM is a dual driver/receiver that enables reliable RS-232 serial communication in embedded systems, industrial controllers, and portable devices. Designed for low-power operation with integrated charge pumps, this IC simplifies RS-232 signal conversion between TTL/CMOS logic levels and standard RS-232 levels.
In this blog, we’ll explore the technical specs, features, and applications of the MAX3222ECWN+ RS-232 Interface IC by MAXIM, and why it remains a go-to component for modern serial communication needs.
Technical Specifications of MAX3222ECWN+
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Manufacturer: MAXIM Integrated
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Part Number: MAX3222ECWN+
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Type: RS-232 Transceiver (Driver/Receiver)
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Voltage Range: 3.0V to 5.5V
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Data Rate: Up to 250 kbps
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Number of Drivers/Receivers: 2 TX / 2 RX
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ESD Protection: ±15kV Human Body Model (HBM)
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Charge Pump: Yes, onboard (no external capacitors required)
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Shutdown Mode: Yes, with low-power operation
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Package: 16-SOIC (Narrow)
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Temperature Range: -40°C to +85°C
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RoHS Compliant: Yes
The MAX3222ECWN+ RS-232 Interface IC by MAXIM delivers seamless serial interfacing with reduced power consumption and enhanced protection, ideal for space-constrained and battery-powered applications.
Key Features of MAX3222ECWN+ Interface IC
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No External Capacitors Needed – Built-in charge pump simplifies design
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Low Power Consumption – Ideal for portable and embedded devices
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Full RS-232 Compliance – Meets EIA/TIA-232 and V.28 specifications
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±15kV ESD Protection – Enhances reliability in harsh environments
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Up to 250 kbps Data Rate – Supports high-speed asynchronous data transfer
These features make RS-232 Interface IC by MAXIM components highly dependable for robust and efficient serial communication.
Applications of MAX3222ECWN+ RS-232 IC
The MAX3222ECWN+ is widely used in:
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Microcontroller-Based Systems (UART Interface)
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Point-of-Sale Terminals
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Networking Devices and Routers
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Industrial Control Systems
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Medical Equipment Interfaces
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Handheld and Portable Devices
Whether you’re designing a serial interface for an industrial PLC or a compact handheld device, RS-232 Interface IC by MAXIM ensures reliable data transmission with minimum design effort.
Wiring and Connection Overview
Typical Setup:
MCU TX/RX - MAX3222ECWN+ - RS-232 Cable ? PC/Peripheral
(VCC: 3.3V or 5V; GND; SHDN pin optional for power management)
With its integrated charge pump and internal logic-level translation, this IC can be dropped into designs without requiring external capacitors or extra drivers.
Use Case Scenario: Serial Debug Interface for IoT Gateway
Scenario: An IoT developer required RS-232 connectivity to debug a Linux-based gateway device using a laptop.
Problem: Existing solutions required large external capacitors and consumed excessive power.
Solution: The MAX3222ECWN+ RS-232 Interface IC by MAXIM offered a compact, capacitor-less solution with low power draw.
Result: Cleaner board layout, lower BOM cost, and seamless RS-232 communication.
Download Datasheet for MAX3222ECWN+
Need pin diagrams, electrical specs, or timing charts?
Download MAX3222ECWN+ Datasheet from Xon Electronics
Why Buy from Xon Electronics?
Xon Electronics is your reliable source for RS-232 Interface IC by MAXIM, offering:
- 100% Genuine MAXIM Components
- Global Delivery – USA, India, Australia, Europe & more
- Ready-to-Ship Inventory with Volume Discounts
- Expert Technical Support
- Secure Checkout and Fast Shipping
Order the MAX3222ECWN+ RS-232 Interface IC by MAXIM today at www.xonelec.com.
Conclusion
The MAX3222ECWN+ RS-232 Interface IC by MAXIM offers engineers a compact, efficient, and cost-effective solution for RS-232 communication in embedded systems. With its internal charge pump, low power requirements, and robust protection features, it is a top choice for reliable serial communication. Available now from Xon Electronics with global shipping to the USA, India, Australia, Europe, and other countries.
FAQs – MAX3222ECWN+ Interface IC
Q1. What is the power supply range for this IC?
It operates between 3.0V and 5.5V.
Q2. Do I need external capacitors?
No, it has an internal charge pump—no external capacitors required.
Q3. What type of ESD protection does it include?
±15kV Human Body Model ESD protection.
Q4. What’s the data rate capability?
It supports up to 250 kbps.
Q5. Can I order it internationally?
Yes, from www.xonelec.com – shipping to USA, India, Australia, Europe, and more.