MAX3488ECSA+

Overview

The MAX3488ECSA+ is a true RS-422/RS-485 full-duplex transceiver operating from a single +3.3V supply. It contains one driver and one receiver with slew-rate-limited outputs to minimize EMI. The device supports data rates up to 250kbps and features ±15kV ESD protection on all I/O pins. It operates within a temperature range of 0°C to +70°C and is housed in an 8-pin SO package.

Feature Summary

• Full-duplex communication capability with independent transmit and receive channels
• Slew-rate-limited drivers reduce electromagnetic interference and signal reflections
• Enhanced electrostatic discharge protection on all transmitter and receiver pins

Applications

• Telecommunications systems
• Industrial-control local area networks
• EMI-sensitive applications requiring reduced noise emissions
• Integrated services digital networks (ISDN)
• Packet switching environments

Procurement Notes

Verify the specific suffix 'C' indicates the commercial temperature range of 0°C to +70°C, distinct from the extended range 'E' variant. Confirm the '+/' designation aligns with current RoHS compliance requirements for the target manufacturing process. Ensure the 8-pin SO package footprint matches the design layout before finalizing procurement orders.

Selection Notes

Select this component when full-duplex operation is required alongside low-power consumption at 3.3V. The slew-rate limitation makes it suitable for applications where minimizing high-frequency harmonics is critical. Verify that the 250kbps maximum data rate meets the system timing requirements compared to higher-speed alternatives in the same family.

Part Context

This part belongs to the MAX3483E family of 3.3V-powered transceivers manufactured by Analog Devices / Maxim Integrated. It shares core architectural similarities with half-duplex variants like the MAX3483E but provides separate Y and Z output pins for simultaneous bidirectional communication. The family standardizes pinouts across multiple speed and duplex configurations.

Replacement Considerations

The MAX3490E serves as a functional alternative within the same family but lacks slew-rate limiting and supports higher speeds. Substitution requires verifying that the absence of slew-rate control does not violate EMI constraints in the application environment.