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MAX14780EESA+ Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX14780EESA+ Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 14 page 2 Maxim Integrated +5.0V, ±30kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceiver MAX14780E Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (All voltages referenced to GND.) Supply Voltage (VCC)........................................................... +6V Control Input Voltage (RE, DE) ...............................-0.3V to +6V Driver Input Voltage (DI) .........................................-0.3V to +6V Driver Output Voltage (A, B) ....................................-8V to +13V Receiver Input Voltage (A, B) ..................................-8V to +13V Receiver Output Voltage (RO) ................. -0.3V to (VCC + 0.3V) Driver Output Current.................................................... ±250mA Continuous Power Dissipation (TA = +70°C) SO (derate 5.9mW/°C above +70°C) ..........................471mW PDIP (derate 9.1mW/°C above +70°C) .....................727.3mW Operating Temperature Range.......................... -40°C to +85°C Junction Temperature .....................................................+150°C Storage Temperature Range............................ -65°C to +150°C Lead Temperature (soldering, 10s) ................................+300°C Soldering Temperature (reflow) ......................................+260°C DC ELECTRICAL CHARACTERISTICS (VCC = +5.0V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5.0V and TA = +25NC.) (Note 1) ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DRIVER VCC Supply-Voltage Range VCC 4.5 5.5 V Differential Driver Output VOD RL = 100I (RS-422), Figure 1 3 VCC V RL = 54I (RS-485), Figure 1 2 VCC No load VCC Change in Magnitude of Differential Output Voltage D VOD RL = 100I or 54I, Figure 1 (Note 2) 0.2 V Driver Common-Mode Output Voltage VOC RL = 100I or 54I, Figure 1 VCC/2 3 V Change in Magnitude of Common-Mode Voltage D VOC RL = 100I or 54I, Figure 1 (Note 2) 0.2 V Input-High Voltage VIH DE, DI, RE 3 V Input-Low Voltage VIL DE, DI, RE 0.8 V Input Hysteresis VHYS DE, DI, RE 100 mV Input Current IIN1 DE, DI, RE Q 1 F A Input Impedance First Transition at Power-Up RPWUP DE, RE = RE = 2V 3.65 8.8 kI Input Impedance on First Transition after POR Delay Rft DE = RE = 2V 7 60 k Ω Driver Short-Circuit Output Current IOSD 0 P VOUT P +12V (Note 3) 40 250 mA -7V P VOUT P VCC (Note 3) -250 -40 Driver Short-Circuit Foldback Output Current IOSDF (VCC - 1V) P VOUT P +12V (Note 3) 20 mA -7V P VOUT P +1V (Note 3) -20 Thermal-Shutdown Threshold TTS 175 N C Thermal-Shutdown Hysteresis TTSH 15 N C Input Current (A and B) IA, B VDE = 0V, VCC = 0V or VCC VIN = +12V 125 F A VIN = -7V -100 RECEIVER Receiver Differential Threshold Voltage VTH -7V P VCM P +12V -200 -125 -50 mV Receiver Input Hysteresis D VTH VA + VB = 0V 15 mV |
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