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MAX3089 Dataheets PDF



Part Number MAX3089
Manufacturers Maxim
Logo Maxim
Description Fail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
Datasheet MAX3089 DatasheetMAX3089 Datasheet (PDF)

EVALUATION KIT AVAILABLE AVAILABLE MAX3080–MAX3089 Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers 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 ar.

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EVALUATION KIT AVAILABLE AVAILABLE MAX3080–MAX3089 Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers 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 reflections caused by improperly terminated cables, allowing error-free data transmission up to 115kbps. The MAX3083/MAX3084/MAX3085 offer higher driver output 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 impedance that allows up to 256 transceivers on the bus. The MAX3082/MAX3085/MAX3088 are intended for halfduplex communications, while the MAX3080/MAX3081/ MAX3083/MAX3084/MAX3086/MAX3087 are intended for full-duplex communications. The MAX3089 is selectable between half-duplex and full-duplex operation. It also features independently programmable receiver and transmitter outputFpuhansecvtiiaosnepaalraDte ipaings.rams Next Generation Device Features ♦ For Fault-Tolerant Applications: MAX3430: ±80V Fault-Protected, Fail-Safe, 1/4Unit 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 Ordering Information PART MAX3080CSD MAX3080CPD MAX3080ESD MAX3080EPD 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. Selection Table Part Half/Full Duplex Data Rate (Mbps) Slew Rate Limited LowPower Shutdown Receiver/ Driver Enable Quiescent Transceivers Current On (µA) Bus MAX3080 Full 0.115 Yes Yes Yes 375 MAX3081 Full 0.115 Yes No No 375 MAX3082 Half 0.115 Yes Yes Yes 375 MAX3083 Full 0.5 Yes Yes Yes 375 MAX3084 Full 0.5 Yes No No 375 MAX3085 Half 0.5 Yes Yes Yes 375 MAX3086 Full 10 No Yes Yes 375 MAX3087 Full 10 No No No 375 MAX3088 Half 10 No Yes Yes 375 PiMn ACXon30fi8g9uratSioenlescatapbpleear aSteelencdtaobfldeataSsehleecetta.ble Yes Yes 375 *FPuinn-cctoiomnpaaltDibilaegwraithm7s5c1o80n,tiwniutheaddadtiteionndalofef adtautraessihmepelte.mented using pins 1, 6, 8, and 13. UCSP is a trademark of Maxim Integrated Products, Inc. 256 256 256 256 256 256 256 256 256 256 Pin Count 14 8 8 14 8 8 14 8 8 14 IndustryStandard Pinout 75180 75179 75176 75180 75179 75176 75180 75179 75176 75180* For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com. 19-1138; Rev 3; 12/05 MAX3080–MAX3089 Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceivers ABSOLUTE MAXIMUM RATINGS Supply Voltage (VCC) ............................................................+7V Control Input Voltage (RE, DE)...................-0.3V to (VCC + 0.3V) Special Input Voltage (H/F, SRL, TXP, RXP)..................................-0.3V to (VCC + 0.3V) Driver Input Voltage (DI).............................-0.3V to (VCC + 0.3V) Driver Output Voltage (A, B, Y, Z)........................................±13V Receiver Input Voltage (A, B) ..............................................±13V Receiver Input Voltage, Full Duplex (A, B) ..........................±25V Receiver Output Voltage (RO)....................-0.3V to (VCC + 0.3V) Continuous Power Dissipation 8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ...727mW 8-Pin SO (derate 5.88mW/°C above +70°C)................471mW 14-Pin Plastic DIP (derate 10.0mW/°C above +70°C) ....800mW 14-Pin SO (derate 8.33mW/°C above +70°C)..............667mW Operating Temperature Ranges MAX308_C_ _ .....................................................0°C to +70°C MAX308_E_ _...................................................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C Stresse.


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