Analog Devices Inc./Maxim Integrated MAX3140CEI
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 20.35 | Dhs. 20.35 |
| 15+ | Dhs. 19.72 | Dhs. 295.80 |
| 25+ | Dhs. 19.29 | Dhs. 482.25 |
| 50+ | Dhs. 18.22 | Dhs. 911.00 |
| 100+ | Dhs. 16.07 | Dhs. 1,607.00 |
| N+ | Dhs. 3.21 | Price Inquiry |
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MAX3140CEI - Advanced UART Controller with RS232/RS485 Protocol Support
The MAX3140CEI from Analog Devices Inc./Maxim Integrated is a high-performance UART controller IC designed for embedded systems, industrial automation, and communication applications requiring reliable serial data transmission. This versatile controller supports both RS232 and RS485 protocols, making it ideal for multi-device networks and long-distance communication scenarios.
Key Features & Benefits
- Dual Protocol Support: RS232 and RS485 compatibility for flexible serial communication
- Versatile Interface: SPI and UART interfaces for seamless microcontroller integration
- Low Power Consumption: Only 640µA supply current for energy-efficient operation
- Wide Operating Range: Functions reliably from 0°C to 70°C
- Compact Package: 28-QSOP form factor saves valuable PCB space
- Industrial-Grade Quality: Authentic sourcing with lifecycle commitment
Typical Applications
The MAX3140CEI excels in industrial control systems, building automation, point-of-sale terminals, data acquisition systems, and embedded communication modules where robust serial connectivity is essential. This controller IC is particularly well-suited for applications requiring multi-drop RS485 networks, long-distance data transmission, or legacy RS232 interface compatibility.
Performance Advantages
With its ultra-low 640µA supply current, the MAX3140CEI delivers exceptional power efficiency for battery-operated and energy-conscious designs. The integrated SPI interface enables high-speed configuration and data transfer, while the dual protocol support eliminates the need for multiple interface ICs in mixed-protocol environments. The 28-QSOP package provides a compact footprint ideal for space-constrained PCB layouts.
Design Considerations
When integrating the MAX3140CEI into your design, ensure proper decoupling capacitors are placed close to the power pins for optimal noise immunity. The device requires a stable 4.75V to 5.25V supply voltage for reliable operation. For RS485 applications, proper termination resistors (typically 120Ω) should be implemented at both ends of the bus to minimize signal reflections and ensure data integrity.
Quality & Authenticity Guarantee
At HQICKEY, we guarantee 100% authentic components with full traceability and lifecycle support. Every MAX3140CEI unit is sourced directly from authorized distributors and undergoes rigorous quality verification. Our technical team provides comprehensive documentation and application support to ensure your design success, from initial prototyping through volume production.
Related Products & Resources
Explore our complete range of Controllers for your embedded and industrial applications. Visit our HQICKEY homepage to discover more premium semiconductor solutions, or check our technical blog for application notes, design guides, and industry insights.
| Product attributes | Property Value |
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Product Series | Tube |
| Packaging | Tube | |
| Protocol | RS232, RS485 |
| Function | Controller |
| Interface | SPI, UART |
| Standards | - |
| Voltage - Supply | 4.75V ~ 5.25V |
| Current - Supply | 640µA |
| Operating Temperature | 0°C ~ 70°C |
| Grade | - |
| Qualification | - |
| Package / Case | 28-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 28-QSOP |
MAX3140CEI.pdf