MAX33250EELC+T

Overview

The MAX33250EELC+T is an RS-232 interface integrated circuit featuring a 600V isolated transceiver architecture. It integrates two transmit and two receive channels alongside one additional transmit channel, supporting full-duplex communication at data rates up to 1 Mb/s. The device operates on a single power supply ranging from 3 V to 5.5 V with a typical quiescent current of 12 mA. It provides robust protection with 15 kV ESD performance and includes internal capacitors for charge pump functionality. The component is housed in a compact LGA-12 package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrated 600V isolation barrier for safe signal transmission between isolated domains
• Built-in charge pump capacitors eliminate the need for external components
• High electrostatic discharge tolerance ensures reliability in harsh environments

Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment with strict safety isolation standards
• Communication interfaces in noisy electrical environments

Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm tape-and-reel packaging configuration. Ensure the ordering part number matches the required package variant and temperature grade. Cross-reference the manufacturer's latest datasheet revision to validate pinout compatibility and electrical specifications before procurement.

Selection Notes

Select this component when designing circuits that demand high-voltage isolation combined with standard RS-232 signaling levels. The integrated capacitor design simplifies layout compared to discrete solutions. Verify that the system voltage requirements align with the 3 V to 5.5 V operating range and that the thermal dissipation capabilities suit the application environment.

Part Context

This part belongs to the MAX3325xE series of isolated transceivers from Analog Devices. It represents a specialized solution for applications needing reliable serial communication across isolation barriers without complex external circuitry. The series focuses on reducing board space while maintaining high noise immunity and safety compliance for critical industrial and medical interfaces.

Replacement Considerations

Consult the official Analog Devices replacement matrix for verified cross-reference parts. Ensure any substitute maintains identical isolation voltage ratings and pinout compatibility. Validate that alternative components support the same data rate and power supply constraints.