MAX3280E/MAX3281E/ ±15kV ESD-Protected 52Mbps, 3V to 5.5V, MAX3283E/MAX3284E SOT23 RS-485/RS-422 True Fail-Safe Receivers Electrical Characteristics (VCC = 3V to 5.5V, VL = VCC, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 5V and TA = +25°C.) (Notes 2, 3) PARAMETERSYMBOLCONDITIONSMINTYPMAXUNITS Supply Voltage VCC 3.0 5.5 V Supply Current ICC No load 9 15 mA VL Input Range VL MAX3284E 1.65 VCC V VL Supply Current IL No load (MAX3284E) 10 µA RECEIVER VIN = +12V 250 Input Current (A and B) IA, B VCC = VGND or 5.5V µA VIN = -7V -200 Receiver Differential Threshold V Voltage TH -7V ≤ VCM ≤ +12V (Note 4) -200 -125 -50 mV Receiver Input Hysteresis ∆VTH VA + VB = 0V 25 mV Receiver Enable Input Low VENIL MAX3281E, MAX3283E only 0.4 V Receiver Enable Input High VENIH MAX3281E, MAX3283E only 2 V Receiver Enable Input Leakage ILEAK MAX3281E, MAX3283E only ±10 µA MAX3280E/MAX3281E/MAX3283E, V I CC - 0.4 OH = -4mA, RO high Receiver Output High Voltage VOH V MAX3284E, IOH = -1mA, 1.65V ≤ VL ≤ VCC, V RO high L - 0.4 MAX3280E/MAX3281E/MAX3283E, 0.4 IOL = 4mA, RO low Receiver Output Low Voltage VOL V MAX3284E, IOL = 1mA, 1.65V ≤ VL ≤ VCC, 0.4 RO low Three-State Output Current at I Receiver OZR 0 ≤ VO ≤ VCC, RO = high impedance ±5 µA Receiver Input Resistance RIN -7V ≤ VCM ≤ +12V (Note 5) 48 kW Receiver Output Short-Circuit I Current OSR 0 ≤ VRO ≤ VCC ±130 mA ESD PROTECTION Human Body Model ±15 ESD Protection (A, B) IEC1000-4-2 (Air-Gap Discharge) ±12 kV IEC1000-4-2 (Contact Discharge) ±6 www.maximintegrated.com Maxim Integrated │ 3
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