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MAX3083E Dataheets PDF



Part Number MAX3083E
Manufacturers Maxim
Logo Maxim
Description 15kVESD-Protected /Fail-Safe /High-Speed (10Mbps) / Slew-Rate-Limited RS-485/RS-422 Transceivers
Datasheet MAX3083E DatasheetMAX3083E Datasheet (PDF)

19-1800; Rev 0; 9/00 ±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers MAX3080E–MAX3089E General Description The MAX3080E–MAX3089E are ±15kV electrostatic discharge (ESD)-protected, high-speed transceivers for RS485/RS-422 communication that contain one driver and one receiver. These devices feature fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open or shorted. This means that the receiver output w.

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19-1800; Rev 0; 9/00 ±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers MAX3080E–MAX3089E General Description The MAX3080E–MAX3089E are ±15kV electrostatic discharge (ESD)-protected, high-speed transceivers for RS485/RS-422 communication that contain one driver and one receiver. These devices feature fail-safe circuitry, which guarantees a logic-high receiver output when the receiver inputs are open or shorted. This means that the receiver output will be a logic high if all transmitters on a terminated bus are disabled (high impedance). The MAX3080E/MAX3081E/MAX3082E feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission up to 115kbps. The MAX3083E/MAX3084E/MAX3085E offer higher driver output slew-rate limits, allowing transmit speeds up to 500kbps. The MAX3086E/MAX3087E/ MAX3088Es’ driver slew rates are not limited, making transmit speeds up to 10Mbps possible. The MAX3089E’s slew rate is selectable between 115kbps, 500kbps, and 10Mbps by driving a selector pin with a single three-state driver. All devices feature enhanced ESD protection. All transmitter outputs and receiver inputs are protected to ±15kV using the Human Body Model. These transceivers typically draw 375µA of supply current when unloaded, or when fully loaded with the drivers disabled. All devices have a 1/8-unit-load receiver input impedance that allows up to 256 transceivers on the bus. The MAX3082E/MAX3085E/MAX3088E are intended for halfduplex communications, while the MAX3080E/MAX3081E/ MAX3083E/MAX3084E/MAX3086E/MAX3087E are intended for full-duplex communications. The MAX3089E is selectable between half-duplex and full-duplex operation. It also features independently programmable receiver and transmitter output phase via separate pins. Features o ESD Protection for RS-485 I/O Pins ±15kV, Human Body Model o True Fail-Safe Receiver While Maintaining EIA/TIA-485 Compatibility o Enhanced Slew-Rate Limiting Facilitates Error-Free Data Transmission (MAX3080E–MAX3085E/MAX3089E) o 1nA Low-Current Shutdown Mode (Except MAX3081E/MAX3084E/MAX3087E) o Pin-Selectable Full/Half-Duplex Operation (MAX3089E) o Phase Controls to Correct for Twisted-Pair Reversal (MAX3089E) o Allow Up to 256 Transceivers on the Bus Applications RS-422/RS-485 Communications Level Translators Transceivers for EMI-Sensitive Applications Industrial-Control Local Area Networks Ordering Information PART MAX3080ECSD MAX3080ECPD MAX3080EESD MAX3080EEPD TEMP. RANGE 0°C to +70°C 0°C to +70°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 14 SO 14 Plastic DIP 14 SO 14 Plastic DIP Ordering Information continued at end of data sheet. Selector Guide Part MAX3080E MAX3081E MAX3082E MAX3083E MAX3084E MAX3085E MAX3086E MAX3087E MAX3088E MAX3089E Half/Full Duplex Full Full Half Full Full Half Full Full Half Selectable Data Rate (Mbps) 0.115 0.115 0.115 0.5 0.5 0.5 10 10 10 Selectable .


MAX3082E MAX3083E MAX3084


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