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MAX3440EESA Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX3440EESA Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 19 page ±15kV ESD-Protected, ±60V Fault-Protected, 10Mbps, Fail-Safe RS-485/J1708 Transceivers _______________________________________________________________________________________ 3 PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS RECEIVER LOGIC Output High Voltage VOH Figure 2, IOH = -1.6mA VCC - 0.6 V Output Low Voltage VOL Figure 2, IOL = 1mA 0.4 V Three-State Output Current at Receiver IOZR 0V VA, B VCC ±1 μA Receiver Input Resistance RIN -7V VCM +12V 48 k Receiver Output Short-Circuit Current IOSR 0V VRO VCC ±95 mA CONTROL Control Input High Voltage VCIH DE, DE, RE, DE/RE 2 V Input Current Latch During First Rising Edge IIN DE, DE/RE, RE 90 μA SUPPLY CURRENT MAX3440E (DE/RE = VCC), MAX3442E (DE = VCC, RE = GND), MAX3444E ( DE = RE = GND) 30 Normal Operation IQ No load, DI = VCC or GND MAX3441E (DE/RE = VCC), MAX3443E (DE = VCC, RE = GND) 10 mA DE = GND, RE = VCC (MAX3442E/ MAX3443E) 20 DE = GND, RE = VCC, TA = +25°C (MAX3442E/MAX3443E) 10 DE = RE = VCC (MAX3444E) 100 Supply Current in Shutdown Mode ISHDN DE = RE = VCC, TA = +25°C (MAX3444E) 10 μA Supply Current with Output Shorted to ±60V ISHRT DE = GND, RE = GND, no load output in three-state (MAX3443E) ±15 mA DC ELECTRICAL CHARACTERISTICS (continued) (VCC = +4.75V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Overvoltage Protection A, B; RSOURCE = 0, RL = 54 ±60 V ESD Protection A, B Human Body Model ±15 kV FAULT DETECTION Receiver Differential Threshold FDIPH VCM = 0V, high limit 270 450 mV Receiver Differential Threshold FDIPL VCM = 0V, low limit -450 -270 mV Fault-Detection Common-Mode Input Voltage Positive 12 V Fault-Detection Common-Mode Input Voltage Negative -7 V PROTECTION SPECIFICATIONS (VCC = +4.75V to +5.25V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.) |
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