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LTC1686 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1686 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 12 page  3 LTC1686/LTC1687 DC ELECTRICAL CHARACTERISTICS VDD = 5V ±5% unless otherwise noted (Notes 2, 3). SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOL Receiver Output Low Voltage IOUT = 4mA, VID = – 300mV q 0.4 V IOZR Three-State (High Impedance) Output 0.4V ≤ VOUT ≤ 2.4V q –1 1 µA Current at Receiver IOZD Three-State (High Impedance) Output VOUT = – 7V to 12V q – 200 200 µA Current at Driver CLOAD Receiver and Driver Output Load Capacitance (Note 4) q 500 pF IDD Supply Current No Load, Pins D, DE, RE = 0V or VDD q 712 mA IOSD1 Driver Short-Circuit Current, VOUT = HIGH VOUT = – 7V or 10V (Note 5) q 20 mA IOSD2 Driver Short-Circuit Current, VOUT = LOW VOUT = – 7V or 10V (Note 5) q 20 mA IOSR Receiver Short-Circuit Current VOUT = 0V or VDD (Note 5) q 20 mA RIN Input Resistance – 7V ≤ VCM ≤ 12V q 22 k Ω CIN Input Capacitance A, B, D, DE, RE Inputs (Note 4) 3 pF Open-Circuit Input Voltage VDD = 5V (Note 4), Figure 5 q 3.2 3.3 3.4 V Fail-Safe Time to Detect Fail-Safe Condition 2 µs Time CMRR Receiver Input Common Mode VCM = 2.5V, f = 26MHz 45 dB Rejection Ratio SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS tPLH, tPHL Driver Input-to-Output Propagation Delay RDIFF = 54Ω, Figures 3, 5 LTC1686C/LTC1687C q 15 18.5 22 ns CL1 = CL2 = 100pF LTC1686I/LTC1687I q 13 18.5 25 ns tSKEW Driver Output A-to-Output B Skew RDIFF = 54Ω, CL1 = CL2 = 100pF, 500 ps Figures 3, 5 tr, tf Driver Rise/Fall Time RDIFF = 54Ω, CL1 = CL2 = 100pF, 3.5 ns Figures 3, 5 tZH Driver Enable to Output High CL = 100pF, S2 Closed, Figures 4, 6 q 25 50 ns tZL Driver Enable to Output Low CL = 100pF, S1 Closed, Figures 4, 6 q 25 50 ns tLZ Driver Disable from Low CL = 15pF, S1 Closed, Figures 4, 6 q 25 50 ns tHZ Driver Disable from High CL = 15pF, S2 Closed, Figures 4, 6 q 25 50 ns tPLH, tPHL Receiver Input-to-Output Propagation Delay CL = 15pF, Figures 3, 7 LTC1686C/LTC1687C q 15 18.5 22 ns LTC1686I/LTC1687I q 13 18.5 25 ns tSQD Receiver Skew tPLH – tPHL CL = 15pF, Figures 3, 7 500 ps tZL Receiver Enable to Output Low CL = 15pF, S1 Closed, Figures 2, 8 q 25 50 ns tZH Receiver Enable to Output High CL = 15pF, S2 Closed, Figures 2, 8 q 25 50 ns tLZ Receiver Disable from Low CL = 15pF, S1 Closed, Figures 2, 8 q 25 50 ns tHZ Receiver Disable from High CL = 15pF, S2 Closed, Figures 2, 8 q 25 50 ns Maximum Receiver Input (Note 4) q 2000 ns Rise/Fall Times tPKG-PKG Package-to-Package Skew CL = 15pF, Same Temperature (Note 4) 1.5 ns SWITCHING CHARACTERISTICS V DD = 5V, unless otherwise noted (Notes 2, 3). |
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Similar Description - LTC1686 |
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