MAX1482CPD

Drivers, Receivers, Transceivers Overview

The MAX1482CPD is a low-power RS-485/RS-422 transceiver manufactured by Analog Devices Inc./Maxim Integrated. It operates from a single +5V supply and supports data rates up to 250kbps. The device features slew-rate-limited drivers to minimize EMI and reduce reflections. It draws only 20µA of operating current and includes a shutdown mode consuming 0.1µA. The MAX1482 variant provides full-duplex communication, while the MAX1483 offers half-duplex functionality. Both utilize a 1/8-unit-load input impedance, allowing up to 256 transceivers on a bus. The receiver incorporates a fail-safe feature ensuring a logic-high output when inputs are open. Driver protection includes short-circuit current limiting and thermal shutdown.

Drivers, Receivers, Transceivers Feature Summary

• Slew-rate-limited drivers minimize electromagnetic interference (EMI) and signal reflections caused by improperly terminated cables.
• Low power consumption with 20µA operating current and a dedicated shutdown mode drawing only 0.1µA.
• High bus capacity enabled by 1/8-unit-load receiver input impedance, supporting up to 256 transceivers.
• Integrated driver protection mechanisms including foldback current limiting and thermal shutdown for overload safety.

Drivers, Receivers, Transceivers Applications

• Low-Power RS-485/RS-422 Networks
• Transceivers for EMI-Sensitive Applications
• Industrial-Control Local Area Networks
• Large 256-Node LANs

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix 'CPD' corresponds to the 14-pin PDIP package and the commercial temperature range of 0°C to +70°C. Confirm that the component is sourced from authorized distributors or directly from Analog Devices/Maxim Integrated to ensure authenticity. Check for RoHS compliance status as indicated in official product documentation before finalizing procurement orders.

Drivers, Receivers, Transceivers Selection Notes

Select the MAX1482CPD for applications requiring full-duplex RS-485 or RS-422 communication with strict power constraints. This part is suitable for systems needing high node density due to its 1/8-unit-load specification. Ensure the design environment stays within the 0°C to +70°C operating range. Consider the MAX1483 if half-duplex operation is sufficient, as it shares similar electrical characteristics but uses an 8-pin package.

Drivers, Receivers, Transceivers Part Context

The MAX1482/MAX1483 series consists of low-power transceivers designed for RS-485 and RS-422 communication standards. The MAX1482 provides full-duplex capability, whereas the MAX1483 is configured for half-duplex operation. Both devices share identical electrical specifications regarding power consumption, data rate limits, and protection features, differing primarily in duplex mode and available package options.

Drivers, Receivers, Transceivers Replacement Considerations

Direct functional replacements include other MAX1482 variants such as MAX1482ESD for extended temperature ranges or MAX1482CSD for surface-mount SOIC packaging. For half-duplex requirements, the MAX1483 series serves as a compatible alternative within the same family.