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ADM1487JR Folha de dados(PDF) 3 Page - Analog Devices |
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ADM1487JR Folha de dados(HTML) 3 Page - Analog Devices |
3 / 8 page ADM1487 Rev. PrC –3– ADM1487SPECIFICATIONS(continued) ELECTRICAL CHARACTERISTICS (VCC = +5V ±5%, TA = -40°C TO +85°C, UNLESS OTHERWISE NOTED) Parameter Min Typ Max Units Test Conditions/Comments Differential Driver Output Voltage, VOD1 5 V Unloaded, IO = 0 Differential Driver Output Voltage, VOD2 2.0 V Figure 1, R = 50 (RS-422) 1.5 5 V Figure 1, R = 27 (RS-485) Driver Common-Mode 3 V Figure 1, R = 27 or R = 50 Output Voltage, VOC Differential Input Threshold –0.2 0.2 V –7V VCM 12V Voltage for Receiver, VTH Receiver Input Hysteresis, VTH 45 m V VCM = 0V Supply Current, ICC 120 200 µ A No Load, Output Enabled 80 120 µ A No Load, Output Disabled Supply Current in Shutdown Mode, ISHDN 1 10 µ A DE = 0V, RE = V CC Driver Input to Output High, tDPLH 150 1200 ns Figures 2, 3, RDIFF= 54 , CL1 = CL2 = 100pF Driver Input to Output Low, tDPHL 150 1200 ns Figures 2, 3, RDIFF= 54 , CL1 = CL2 = 100pF Driver Output to Output, tSKEW 100 600 ns Figures 2, 3, RDIFF= 54 , CL1 = CL2 = 100pF Driver Rise or Fall Time, tDR, tDF 150 2000 ns Figures 2, 3, RDIFF= 54 , CL1 = CL2 = 100pF Receiver Input to Output High, tRPLH 30 140 250 ns Figures 2, 4, RDIFF= 54 , CL1 = CL2 = 100pF Receiver Input to Output Low, tRHL 30 140 250 ns Figures 2, 4, RDIFF= 54 , CL1 = CL2 = 100pF Differential Receiver Skew, tSKD 13 ns Figures 2, 4, RDIFF= 54 , |tRPLH-tRPHL| CL1 = CL2 = 100pF Maximum Data Rate, fMAX 250 kbps SWITCHING CHARACTERISTICS (VCC = +5V ±5%, TA = -40°C TO +85°C, UNLESS OTHERWISE NOTED) Parameter Min Typ Max Units Test Conditions/Comments Driver Input to Output High, tDPLH 150 1200 ns Figures 2, 3, RDIFF= 54 , CL1 = CL2 = 100pF Driver Input to Output, tDPHL 150 1200 ns Figures 2, 3, RDIFF= 54 , CL1 = CL2 = 100pF Driver Output to Output, tSKEW 250 600 ns Figures 2, 3, RDIFF= 54 , CL1 = CL2 = 100pF Driver Rise or Fall Time, tDR, tDF 150 1200 ns Figures 2, 3, RDIFF= 54 , CL1 = CL2 = 100pF Driver Enable to Output High, tDZH 100 1500 ns Figures 5, 6, CL = 100pF, S2 Closed Driver Enable to Output Low, tDZL 100 1500 ns Figures 5, 6, CL = 100pF, S1 Closed Driver Disable Time from Low, tDLZ 150 1500 ns Figures 5, 6, CL = l5pF, S1 Closed PRELIMINARY TECHNICAL DATA |
Nº de peça semelhante - ADM1487JR |
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Descrição semelhante - ADM1487JR |
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