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MAX3086CSD Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX3086CSD Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 20 page General Description The MAX3080–MAX3089 high-speed transceivers for RS-485/RS-422 communication 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 MAX3080/MAX3081/MAX3082 feature reduced slew-rate drivers that minimize EMI and reduce reflec- tions caused by improperly terminated cables, allowing error-free data transmission up to 115kbps. The MAX3083/MAX3084/MAX3085 offer higher driver out- put slew-rate limits, allowing transmit speeds up to 500kbps. The MAX3086/MAX3087/MAX3088’s driver slew rates are not limited, making transmit speeds up to 10Mbps possible. The MAX3089’s slew rate is selectable between 115kbps, 500kbps, and 10Mbps by driving a selector pin with a single three-state driver. 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 imped- ance that allows up to 256 transceivers on the bus. The MAX3082/MAX3085/MAX3088 are intended for half- duplex communications, while the MAX3080/MAX3081/ MAX3083/MAX3084/MAX3086/MAX3087 are intended for full-duplex communications. The MAX3089 is selec- table between half-duplex and full-duplex operation. It also features independently programmable receiver and transmitter output phase via separate pins. Next Generation Device Features ♦ For Fault-Tolerant Applications: MAX3430: ±80V Fault-Protected, Fail-Safe, 1/4- Unit Load, +3.3V RS-485 Transceiver ♦ For Low-Voltage Applications: MAX3362: +3.3V, High-Speed, RS-485/RS-422 Transceiver in a SOT23 Package ♦ For Multiple Transceiver Applications: MAX3030E–MAX3033E: ±15kV ESD-Protected, +3.3V, Quad, RS-422 Transmitters MAX3040–MAX3045: ±10kV ESD-Protected, Quad, +5V, RS-485/RS-422 Transmitters Applications RS-422/RS-485 Communications Level Translators Transceivers for EMI-Sensitive Applications Industrial-Control Local Area Networks Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers ________________________________________________________________ Maxim Integrated Products 1 19-1138; Rev 3; 12/05 Selection Table *Pin-compatible with 75180, with additional features implemented using pins 1, 6, 8, and 13. Ordering Information continued at end of data sheet. Ordering Information PART MAX3080CSD MAX3080CPD MAX3080ESD -40°C to +85°C 0°C to +70°C 0°C to +70°C TEMP RANGE PIN-PACKAGE 14 SO 14 Plastic DIP 14 SO MAX3080EPD -40°C to +85°C 14 Plastic DIP For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Part Half/Full Duplex Data Rate (Mbps) Slew Rate Limited Low- Power Shutdown Receiver/ Driver Enable Quiescent Current (µA) Transceivers On Bus Pin Count Industry- Standard Pinout MAX3080 Full 0.115 Yes Yes Yes 375 256 14 75180 MAX3081 Full 0.115 Yes No No 375 256 8 75179 MAX3082 Half 0.115 Yes Yes Yes 375 256 8 75176 MAX3083 Full 0.5 Yes Yes Yes 375 256 14 75180 MAX3084 Full 0.5 Yes No No 375 256 8 75179 MAX3085 Half 0.5 Yes Yes Yes 375 256 8 75176 MAX3086 Full 10 No Yes Yes 375 256 14 75180 MAX3087 Full 10 No No No 375 256 8 75179 MAX3088 Half 10 No Yes Yes 375 256 8 75176 MAX3089 Selectable Selectable Selectable Yes Yes 375 256 14 75180* |
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