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MAX1487ECSA Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1487ECSA Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 16 page  ±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers _______________________________________________________________________________________ 3 SWITCHING CHARACTERISTICS—MAX481E/MAX485E, MAX490E/MAX491E, MAX1487E (VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2) DC ELECTRICAL CHARACTERISTICS (continued) (VCC = 5V ±5%, TA = TMIN to TMAX, unless otherwise noted.) (Notes 1, 2) mA 795 0V ≤ VO ≤ VCC IOSR Receiver Short-Circuit Current mA 35 250 -7V ≤ VO ≤12V (Note 4) IOSD2 Driver Short-Circuit Current, VO = Low mA 35 250 -7V ≤ VO ≤12V (Note 4) IOSD1 Driver Short-Circuit Current, VO = High MAX1487E, – R — E – = 0V or VCC 250 400 350 650 CONDITIONS UNITS MIN TYP MAX SYMBOL PARAMETER 230 400 300 500 MAX481E/MAX485E, – R — E – = 0V or VCC 500 900 MAX490E/MAX491E, DE, DI, – R — E – = 0V or VCC 300 500 MAX488E/MAX489E, DE, DI, – R — E – = 0V or VCC 120 250 DE = VCC 300 500 DE = 0V DE = VCC DE = 0V µA MAX481E/483E/487E, DE = 0V, – R — E – = VCC 0.5 10 ISHDN Supply Current in Shutdown 120 250 ICC No-Load Supply Current (Note 3) DE = VCC DE = 0V MAX483E MAX487E MAX483E/MAX487E, – R — E – = 0V or VCC µA 520 25 MAX490EC/E, MAX491EC/E MAX481E,MAX485E,MAX1487E Driver Rise or Fall Time tR, tF 320 40 Figures 10 and 12, RDIFF = 54Ω, CL1 = CL2 = 100pF MAX490EC/E, MAX491EC/E Figures 11 and 13, CL = 15pF, S2 closed Figures 11 and 13, CL = 15pF, S1 closed Figures 11 and 13, CL = 100pF, S1 closed Figures 11 and 13, CL = 100pF, S2 closed PARAMETER SYMBOL MIN TYP MAX UNITS Driver Enable to Output High tZH 45 70 Receiver Input to Output tPLH, tPHL Driver Output Skew to Output ns Driver Enable to Output Low tZL 45 70 ns Driver Disable Time from Low tLZ 45 70 ns | tPLH - tPHL | Differential Receiver Skew Driver Disable Time from High tSKD tHZ 45 70 5 ns 20 60 200 Receiver Enable to Output Low tZL 20 50 ns Receiver Enable to Output High Driver Input to Output tZH 20 50 ns Receiver Disable Time from Low tLZ 20 50 tPLH 10 40 60 ns Receiver Disable Time from High tHZ 20 50 Mbps Maximum Data Rate fMAX 2.5 ns Time to Shutdown tSHDN 50 200 600 tSKEW 510 ns CONDITIONS Figures 10 and 14, RDIFF = 54Ω, CL1 = CL2 = 100pF Figures 10 and 14, RDIFF = 54Ω, CL1 = CL2 = 100pF Figures 9 and 15, CRL = 15pF, S1 closed Figures 9 and 15, CRL = 15pF, S2 closed Figures 9 and 15, CRL = 15pF, S1 closed Figures 9 and 15, CRL = 15pF, S2 closed MAX481E (Note 5) Figures 10 and 12, RDIFF = 54Ω, CL1 = CL2 = 100pF MAX481E,MAX485E,MAX1487E ns Figures 10 and 12, RDIFF = 54Ω, CL1 = CL2 = 100pF tPHL 10 40 60 ns ns ns 20 60 150 ns kV ±15 A, B, Y and Z pins, tested using Human Body Model ESD Protection |
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