HomedatasheetMAX3078EESA

MAX3078EESA Datasheet

Interface - Drivers, Receivers, Transceivers
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Description

The MAX3070E–MAX3079E 3.3V, ±15kV ESD-protected,RS-485/RS-422 transceivers feature one driver and one receiver. These devices include fail-safe circuitry, guaranteeing a logic-high receiver output when receiver inputs are open or shorted. The receiver outputs a logic high if all transmitters on a terminated bus are disabled (high impedance). The MAX3070E–MAX3079E include a hot-swap capability to eliminate false transitions on the bus during power-up or hot insertion.The MAX3070E/MAX3071E/MAX3072E feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission up to 250kbps. The MAX3073E/MAX3074E/MAX3075E also feature slewrate- limited drivers but allow transmit speeds up to 500kbps. The MAX3076E/MAX3077E/MAX3078EESA driver slew rates are not limited, making transmit speeds up to 16Mbps possible. The MAX3079E slew rate is pin selectable for 250kbps, 500kbps, and 16Mbps.The MAX3072E/MAX3075E/ MAX3078EESA are intended for half-duplex communications, and the MAX3070E/MAX3071E/MAX3073E/MAX3074E/MAX3076E/MAX3077E are intended for full-duplex communications. The MAX3079E is selectable for half-duplex or full-duplex operation. It also features independently programmable receiver and transmitter output phase through separate pins.The MAX3070E–MAX3079E transceivers draw 800μA of supply current when unloaded or when fully loaded with the drivers disabled. All devices have a 1/8-unit load receiver input impedance, allowing up to 256 transceivers on the bus. MAX3078EESA Features • 3.3V Operation• Electrostatic Discharge (ESD) Protection for RS-485 I/O Pins ±15kV Human Body Model• True Fail-Safe Receiver While Maintaining EIA/TIA-485 Compatibility• Hot-Swap Input Structure on DE and RE• Enhanced Slew-Rate Limiting Facilitates Error-Free Data Transmission (MAX3070E–MAX3075E/MAX3079E)• Low-Current Shutdown Mode (Except MAX3071E/MAX3074E/MAX3077E)• Pin-Selectable Full-/Half-Duplex Operation(MAX3079E)• Phase Controls to Correct for Twisted-Pair Reversal (MAX3079E)• Allow Up to 256 Transceivers on the Bus• Available in Industry-Standard 8-Pin SO Package MAX3078EESA Applications • Lighting Systems• Industrial Control• Telecom• Security Systems• Instrumentation
Features

Parameters

[{"Name":"Number of Drivers/Receivers","Value":"1/1"},{"Name":"Protocol","Value":"RS422, RS485"},{"Name":"Voltage - Supply","Value":"3 V ~ 3.6 V"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

MOSPEC [MOSPEC SEMICONDUCTOR]
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