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LTC1544 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1544 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 20 page  3 LTC1544 The q denotes specifications which apply over the full operating tempera- ture range, otherwise specifications are at TA = 25°C. VCC = 5V, VDD = 8V, VEE = – 7V for V.28, – 5.5V for V.10, V.11 (Notes 2, 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Logic Inputs and Outputs VIH Logic Input High Voltage q 2V VIL Logic Input Low Voltage q 0.8 V IIN Logic Input Current D1, D2, D3, D4 q ±10 µA M0, M1, M2, DCE, INVERT = GND (LTC1544C) q – 100 – 50 – 30 µA M0, M1, M2, DCE, INVERT = GND (LTC1544I) q – 120 – 50 – 30 µA M0, M1, M2, DCE, INVERT = VCC q ±10 µA VOH Output High Voltage IO = – 4mA q 3 4.5 V VOL Output Low Voltage IO = 4mA q 0.3 0.8 V IOSR Output Short-Circuit Current 0V ≤ VO ≤ VCC q –50 40 50 mA IOZR Three-State Output Current M0 = M1 = M2 = VCC, 0V ≤ VO ≤ VCC ±1 µA V.11 Driver VODO Open Circuit Differential Output Voltage RL = 1.95k (Figure 1) q ±5V VODL Loaded Differential Output Voltage RL = 50Ω (Figure 1) 0.5VODO 0.67VODO V RL = 50Ω (Figure 1) q ±2V ∆VOD Change in Magnitude of Differential RL = 50Ω (Figure 1) q 0.2 V Output Voltage VOC Common Mode Output Voltage RL = 50Ω (Figure 1) q 3V ∆VOC Change in Magnitude of Common Mode RL = 50Ω (Figure 1) q 0.2 V Output Voltage ISS Short-Circuit Current VOUT = GND ±150 mA IOZ Output Leakage Current – 0.25V ≤ VO ≤ 0.25V, Power Off or q ± 1 ±100 µA No-Cable Mode or Driver Disabled tr, tf Rise or Fall Time LTC1544C (Figures 2, 5) q 215 25 ns LTC1544I (Figures 2, 5) q 215 35 ns tPLH Input to Output LTC1544C (Figures 2, 5) q 20 40 65 ns LTC1544I (Figures 2, 5) q 20 40 75 ns tPHL Input to Output LTC1544C (Figures 2, 5) q 20 40 65 ns LTC1544I (Figures 2, 5) q 20 40 75 ns ∆t Input to Output Difference, tPLH – tPHL LTC1544C (Figures 2, 5) q 03 12 ns LTC1544I (Figures 2, 5) q 03 17 ns tSKEW Output to Output Skew (Figures 2, 5) 3 ns V.11 Receiver VTH Input Threshold Voltage – 7V ≤ VCM ≤ 7V q – 0.2 0.2 V ∆VTH Input Hysteresis – 7V ≤ VCM ≤ 7V q 15 40 mV IIN Input Current (A, B) – 10V ≤ VA,B ≤ 10V q ±0.66 mA RIN Input Impedance – 10V ≤ VA,B ≤ 10V q 15 30 k Ω tr, tf Rise or Fall Time (Figures 2, 6) 15 ns tPLH Input to Output LTC1544C (Figures 2, 6) q 50 80 ns LTC1544I (Figures 2, 6) q 50 90 ns tPHL Input to Output LTC1544C (Figures 2, 6) q 50 80 ns LTC1544I (Figures 2, 6) q 50 90 ns ∆t Input to Output Difference, tPLH – tPHL LTC1544C (Figures 2, 6) q 04 16 ns LTC1544I (Figures 2, 6) q 04 21 ns ELECTRICAL CHARACTERISTICS |
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