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MAX14431BAEE+

MAX14431BAEE+

Analog Devices / Maxim Integrated
Digital Isolators 4-Channel, Low Power, 3.75kV Digital Iso
Active200 in stock
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Overview

The MAX14431BAEE+ is a high-performance, 4-channel digital isolator providing 3.75kVrms of galvanic isolation between circuits. It features three channels in one direction and one channel in the reverse direction, making it ideal for isolated SPI or general control signal bus architectures.

Why Choose This Part

This device offers a high data rate of up to 200Mbps while maintaining ultra-low power consumption, typically drawing less than 1.1mA per channel at 1Mbps. Its robust design ensures high common-mode transient immunity (CMTI) of 50kV/us, providing reliable data transmission in noisy electrical environments.

Applications

Isolated SPI Communication
Providing signal isolation for Master Out Slave In, Clock, and Chip Select lines in one direction and Master In Slave Out in the other.
Industrial Fieldbus Interfaces
Protecting sensitive microcontrollers from high-voltage surges and ground loops in RS-485 or CAN-based industrial networks.
Battery Management Systems
Safely communicating between high-voltage battery stacks and low-voltage control units in energy storage applications.

Getting Started

Designers can evaluate this series using the MAX1443XEVKIT# evaluation kit to verify signal integrity and power consumption across different load conditions. Ensure that bypass capacitors are placed as close as possible to the VDD pins on both sides of the isolation barrier to maintain stability.

MAX14431 Family

Part NumberDifferenceStock
MAX14431CAEE+ (Analog Devices Inc./Maxim Integrated) SSOP-16 1,375

Also Consider

Si8641BB-B-IS Skyworks Solutions Inc. - A pin-compatible 4-channel digital isolator known for high reliability and low propagation delay.