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LTC1546CG Datasheet(PDF) 4 Page - Linear Technology |
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LTC1546CG Datasheet(HTML) 4 Page - Linear Technology |
4 / 20 page 4 LTC1546 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 IOH Transmitter Output High Current VA, VB = 0V q – 13 – 11 – 9.0 mA IOL Transmitter Output Low Current VA, VB = 0V q 9.0 11 13 mA IOZ Transmitter Output Leakage Current VA and VB ≤ 0.25V q ±1 ±100 µA ROD Transmitter Differential Mode Impedance q 50 100 150 Ω ROC Transmitter Common Mode Impedance – 2V ≤ VCM ≤ 2V (Figure 7) 135 150 165 Ω tr, tf Rise or Fall Time (Figures 8, 13) 5 ns tPLH Input to Output (Figures 8, 13) q 15 35 65 ns tPHL Input to Output (Figures 8, 13) q 15 35 65 ns ∆t Input to Output Difference, tPLH – tPHL (Figures 8, 13) q 016 ns tSKEW Output to Output Skew (Figures 8, 13) 4 ns V.35 Receiver VTH Differential Receiver Input Threshold Voltage – 2V ≤ VCM ≤ 2V (Figure 9) q – 0.2 0.2 V ∆VTH Receiver Input Hysteresis – 2V ≤ VCM ≤ 2V (Figure 9) q 15 40 mV RID Receiver Differential Mode Impedance – 2V ≤ VCM ≤ 2V q 90 103 110 Ω RIC Receiver Common Mode Impedance – 2V ≤ VCM ≤ 2V (Figure 10) 135 150 165 Ω tr, tf Rise or Fall Time CL = 50pF (Figures 4, 14) 15 ns tPLH Input to Output CL = 50pF (Figures 4, 14) q 50 90 ns tPHL Input to Output CL = 50pF (Figures 4, 14) q 50 90 ns ∆t Input to Output Difference, tPLH – tPHL CL = 50pF (Figures 4, 14) q 04 25 ns V.28 Driver VO Output Voltage Open Circuit q ±10 V RL = 3k (Figure 11) q ±5 ±8.5 V ISS Short-Circuit Current VOUT = GND q ±150 mA ROZ Power-Off Resistance – 2V < VO < 2V, Power Off q 300 Ω or No-Cable Mode SR Slew Rate RL = 7k, CL = 0 (Figures 11, 15) q 430 V/ µs tPLH Input to Output RL = 3k, CL = 2500pF (Figures 11, 15) q 1.5 2.5 µs tPHL Input to Output RL = 3k, CL = 2500pF (Figures 11, 15) q 1.5 2.5 µs V.28 Receiver VTHL Input Low Threshold Voltage (Figure 12) q 1.2 0.8 V VTLH Input High Threshold Voltage (Figure 12) q 2 1.2 V ∆VTH Receiver Input Hysteresis (Figure 12) q 0 0.05 0.3 V RIN Receiver Input Impedance – 15V ≤ VA ≤ 15V q 357 k Ω tr, tf Rise or Fall Time CL = 50pF (Figures 12, 16) 15 ns tPLH Input to Output CL = 50pF (Figures 12, 16) q 60 300 ns tPHL Input to Output CL = 50pF (Figures 12, 16) q 160 300 ns Note 1: Absolute Maximum Ratings are those values beyond which the life of the device may be impaired. Note 2: All currents into device pins are positive; all currents out of device are negative. All voltages are referenced to device ground unless otherwise specified. Note 3: All typicals are given for VCC = 5V, C1 = C2 = CVCC = CVDD = 1µF, CVEE = 3.3µF and TA = 25°C. ELECTRICAL CHARACTERISTICS |
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