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LTC1343IGW Datasheet(PDF) 4 Page - Linear Technology |
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LTC1343IGW Datasheet(HTML) 4 Page - Linear Technology |
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4 / 28 page  4 LTC1343 ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 5V (Notes 2, 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS tPHL Input to Output (Figures 2, 7), CTRL = GND, 0 °C ≤ TA ≤ 70°C q 35 80 115 ns CTRL = VCC, 0°C ≤ TA ≤ 70°C 400 ns (Figures 2, 7), CTRL = GND, –40 °C ≤ TA ≤ 85°C q 25 80 130 ns CTRL = VCC, –40°C ≤ TA ≤ 85°C 400 ns ∆t Input to Output Difference, tPLH – tPHL (Figures 2, 7), 0°C ≤ TA ≤ 70°C q 05 17 ns (Figures 2, 7), –40 °C ≤ TA ≤ 85°C q 05 25 ns V.35 Driver VOD Differential Output Voltage Open Circuit 6.0 V With Load, – 4.0V ≤ VCM = 4.0V (Figure 3) q ±0.44 ±0.55 ±0.66 V IOH Transmitter Output High Current VA, B = 0V q – 12.6 – 11 – 9.4 mA IOL Transmitter Output Low Current VA, B = 0V q 9.4 11 12.6 mA IOZ Transmitter Output Leakage Current – 0.25V ≤ VA, B ≤ 0.25V q ±0.01 ±100 µA tr, tf Rise or Fall Time (Figures 3, 6) 5 ns tPLH Input to Output (Figures 3, 6), 0 °C ≤ TA ≤ 70°C q 25 45 75 ns (Figures 3, 6), –40 °C ≤ TA ≤ 85°C q 25 45 90 ns tPHL Input to Output (Figures 3, 6), 0 °C ≤ TA ≤ 70°C q 25 45 75 ns (Figures 3, 6), –40 °C ≤ TA ≤ 85°C q 25 45 90 ns ∆t Input to Output Difference, tPLH – tPHL (Figures 3, 6), 0°C ≤ TA ≤ 70°C q 05 17 ns (Figures 3, 6), –40 °C ≤ TA ≤ 85°C q 05 25 ns tSKEW Output to Output Skew (Figures 3, 6) 4 ns V.35 Receiver VTH Differential Receiver Input – 2V ≤ (VA + VB)/2 ≤ 2V (Figure 3) q – 0.2 0.2 V Threshold Voltage ∆VTH Receiver Input Hysteresis – 2V ≤ (VA + VB)/2 ≤ 2V (Figure 3) q 11 40 mV IIN Receiver Input Current (A, B) – 10V ≤ VA, B ≤ 10V q ±0.50 mA RIN Receiver Input Impedance – 10V ≤ VA, B ≤ 10V q 20 32 k Ω tr, tf Rise or Fall Time (Figures 3, 7) 15 ns tPLH Input to Output (Figures 3, 7), 0 °C ≤ TA ≤ 70°C q 80 115 ns (Figures 3, 7), –40 °C ≤ TA ≤ 85°C q 80 130 ns tPHL Input to Output (Figures 3, 7), 0 °C ≤ TA ≤ 70°C q 100 115 ns (Figures 3, 7), –40 °C ≤ TA ≤ 85°C q 100 130 ns ∆t Input to Output Difference, tPLH – tPHL (Figures 3, 7), 0°C ≤ TA ≤ 70°C q 417 ns (Figures 3, 7), –40 °C ≤ TA ≤ 85°C q 425 ns V.10 Driver VO Output Voltage Open Circuit, RL = 3.9k ±4.0 ±6.0 V RL = 450Ω (Figure 4) ±3.6 V VO at 450Ω > 0.9 VO at RL = 3.9k Driver 1 Only ISS Short-Circuit Current VO = GND; EIA-530, X.21, EIA-530-A Modes ±150 mA IOZ Output Leakage Current – 0.25V ≤ VO ≤ 0.25V, Power Off or q ±0.1 ±100 µA No-Cable Mode or Driver Disabled tr, tf Rise or Fall Time (Figures 4, 8), RL = 450Ω, CL = 100pF R423SET = 100k 4 µs tPLH Input to Output (Figures 4, 8), RL = 450Ω, CL = 100pF R423SET = 100k 8 µs tPHL Input to Output (Figures 4, 8), RL = 450Ω, CL = 100pF R423SET = 100k 8 µs |
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