Product Summary

The sp3485en-l/tr is a +3.3V low power half-duplex transceiver that meets the specifications of the RS-485 and RS-422 serial protocols. The sp3485en-l/tr is pin-to-pin compatible with the Sipex SP481, SP483, and SP485 devices as well as popular industry standards. The sp3485en-l/tr features Sipex’s BiCMOS process, allowing low power operation without sacrificing performance. The sp3485en-l/tr meets the electrical specifications of RS-485 and RS-422 serial protocols up to 10Mbps under load.

Parametrics

sp3485en-l/tr absolute maximum ratings: (1)VCC: +6.0V; (2)Input Voltages, Logic: -0.3V to +6.0V; Drivers: -0.3V to +6.0V; Receivers: ±15V; (3)Output Voltages; (4)Drivers: ±15V; Receivers: -0.3V to +6.0V; (5)Storage Temperature: -65 to +150℃; (6)Power Dissipation: 600mW.

Features

sp3485en-l/tr features: (1)RS-485 and RS-422 Transceivers; (2)Operates from a single +3.3V supply; (3)Interoperable with +5.0V logic; (4)Driver/Receiver Enable; (5)Low Power Shutdown Mode; (6)-7V to +12V Common-Mode Input Voltage Range; (7)Allows up to 32 transceivers on the serial bus; (8)Compatibility with the industry standard 75176 pinout; (9)Driver Output Short-Circuit Protection.

Diagrams

sp3485en-l/tr block diagram

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