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MAX3158CPI Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX3158CPI Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 14 page High CMRR RS-485 Transceiver with ±60V Isolation _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VCC = +5V ±5%, YR = ZR = AR = BR = ISOCOM, C1 = C2 = 0.047µF, C3 = C4 = 1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +5V and TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS IIN1 DE, DI, RE ±2 Input Current IIN2 H/F, TXP, RXP internal pulldown 10 40 µA DE = GND, VCC = GND or 5.25V, -7V ≤ (VIN - VISOCOM) ≤ +12V, AR = BR = ISOCOM -5.0 +8.0 Input Current (A and B) IIN3 DE = GND, VCC = GND or 5.25V, -7V ≤ (VIN - VISOCOM) ≤ +12V, AR open, BR open -0.58 +1.0 mA DE = GND, VCC = GND or 5.25V, -7V ≤ (VIN - VISOCOM) ≤ +12V, YR = ZR = ISOCOM -5.0 +8.0 Output Leakage (Y and Z) Full Duplex IO DE = GND, VCC = GND or 5.25V, -7V ≤ (VIN - VISOCOM) ≤ +12V, YR open, ZR open -0.58 +1.0 mA IOSD1 VISOCOM - 7V ≤ VOUT ≤ VISOVCC -250 Driver Short-Circuit Output Current (Note 3) IOSD2 VISOCOM - 7V ≤ VOUT ≤ VISOCOM + 12V 250 mA RECEIVER Receiver Differential Threshold Voltage VTH -7V ≤ VCM - VISOCOM ≤ +12V -200 -125 -50 mV Receiver Input Hysteresis ∆VTH 25 mV Receiver Output High Voltage VOH IO = -4mA, VID = -50mV V CC - 1.5 V Receiver Output Low Voltage VOL IO = 4mA, VID = -200mV 0.4 V Three-State Output Current at Receiver IOZR 0.4V ≤ VO ≤ 2.4V ±1µA -7V ≤ VCM - VISOCOM ≤ +12V, AR = BR = ISOCOM 1.5 Receiver Input Resistance RIN -7V ≤ VCM - VISOCOM ≤ +12V, AR open, BR open 12 k Ω Receiver Output Short-Circuit Current IOSR 0V ≤ VRO ≤ VCC ±7 ±100 mA SUPPLY CURRENT Supply Current ICC No load, RE = DE = DI = GND or VCC 25 85 mA DE = GND, RE = VCC, VISOCOM = GND 25 60 Supply Current in Shutdown Mode ISHDN DE = GND, RE = VCC, VISOCOM = ±60V ±650 µA Maximum Ground Differential ∆VGND DE = GND, RE = VCC, | ISOCOM leakage | ≤ 650µA ±60 V |
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