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MAX13448E Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX13448E Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 14 page ±80V Fault-Protected Full-Duplex RS-485 Transceiver _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VCC = +3.0 to +5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +3.3V and TA = +25°C.) (Notes 2, 3) PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS RECEIVER VA, VB = +12V VCC = GND or VCC = +3.0V to +5.5V +125 µA VA, VB = -7V -100 µA Input Current IA, B VA, VB = ±80V -6 +6 mA Receiver Differential Threshold Voltage VTH -7V ≤ VCM ≤ +12V -200 -50 mV Receiver Input Hysteresis ΔVTH 25 mV Output High Voltage VOH IOH = -1.6mA VCC - 0.6 V Output Low Voltage VOL IOL = 1mA 0.4 V Three-State Output Current at Receiver IOZR 0 ≤ VA, VB ≤ VCC -1 +1 µA Receiver Output Short-Circuit Current IOSR 0 ≤ VRO ≤ VCC -95 +95 mA ESD PROTECTION All Pins Human Body Model ±2 kV ESD Protection Level (A and B, Y and Z) Human Body Model ±8 kV CONTROL Control Input High Voltage VCIH DE, RE 2V Control Input Low Voltage VCIL DE, RE 0.8 V Input Current Latch During First Rising Edge IIN DE, RE 80 µA PROTECTION SPECIFICATIONS Overvoltage Protection A, B, Y, Z -80 +80 V PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS DRIVER Driver Differential Propagation Delay tDPLH, tDPHL RL = 54 Ω, CL = 50pF, Figures 2 and 3 700 1500 ns Driver Differential Output Transition Time tLH, tHL RL = 54 Ω, CL = 50pF, Figures 2 and 3 250 1200 ns Differential Driver Output Skew tDSKEW RL = 54 Ω, CL = 50pF, tDSKEW = [tDPLH - tDPHL], Figures 2 and 3 150 200 ns Maximum Data Rate fMAX 250 kbps Driver Enable Time to Output HightDZH RL = 500 Ω, CL = 50pF, Figure 4 2000 ns SWITCHING CHARACTERISTICS (VCC = +3.3V ±10%) (TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +3.3V and TA = +25°C.) |
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