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LTC1321IS Datasheet(PDF) 4 Page - Linear Technology |
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LTC1321IS Datasheet(HTML) 4 Page - Linear Technology |
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4 / 20 page  4 LTC1321/LTC1322/LTC1335 DC ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Supply Currents ICC VCC Supply Current No Load (SEL1 = SEL2 = HIGH) q 1000 2000 µA Shutdown, ON/OFF = 0V q 15 50 µA IDD VDD Supply Current (LTC1321/LTC1322) No Load (SEL1 = SEL2 = LOW) q 300 1000 µA Shutdown, ON/OFF = 0V q 0.1 50 µA IEE VEE Supply Current No Load (SEL1 = SEL2 = HIGH) q – 1000 – 2000 µA Shutdown, ON/OFF = 0V q – 0.1 – 50 µA DC ELECTRICAL CHARACTERISTICS VCC = VDD (LTC1321/LTC1322) = 5V ±5%, VEE = – 5V ±5% (Notes 2, 3) AC VCC = VDD (LTC1321/LTC1322) = 5V ±5%, VEE = – 5V ±5% (Notes 2, 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS EIA/TIA-562 Mode (SEL1 = SEL2 = LOW) SR Slew Rate Figure 4, RL = 3k, CL = 15pF q 14 30 V/ µs Figure 4, RL = 3k, CL = 1000pF q 47 V/ µs tT Transition Time Figure 4, RL = 3k, CL = 2500pF q 0.22 1.9 3.1 µs tPLH Driver Input to Output Figures 4,10, RL = 3k, CL = 15pF q 0.6 4 µs tPHL Driver Input to Output Figures 4,10, RL = 3k, CL = 15pF q 0.6 4 µs tPLH Receiver Input to Output Figures 5,11 q 0.3 6 µs tPHL Receiver Input to Output Figures 5,11 q 0.4 6 µs RS485 Mode (SEL1 = SEL2 = HIGH) tPLH Driver Input to Output Figures 2,7, RL = 54Ω, CL = 100pF q 20 40 70 ns tPHL Driver Input to Output Figures 2,7, RL = 54Ω, CL = 100pF q 20 40 70 ns tSKEW Driver Output to Output Figures 2,7, RL = 54Ω, CL = 100pF q 515 ns tr, tf Driver Rise or Fall Time Figures 2,7, RL = 54Ω, CL = 100pF q 315 40 ns tZL Driver Enable to Output Low Figures 3,8, CL = 100pF, S1 Closed q 50 90 ns tZH Driver Enable to Output High Figures 3,8, CL = 100pF, S2 Closed q 50 90 ns tLZ Driver Disable from Low Figures 3,8, CL = 15pF, S1 Closed q 50 90 ns tHZ Driver Disable from High Figures 3,8, CL = 15pF, S2 Closed q 60 90 ns tPLH Receiver Input to Output Figures 2,9, RL = 54Ω, CL = 100pF q 20 60 140 ns tPHL Receiver Input to Output Figures 2,9, RL = 54Ω, CL = 100pF q 20 70 140 ns tSKEW Differential Receiver Skew, tPLH-tPHL Figures 2,9, RL = 54Ω, CL = 100pF q 10 ns Receiver Output Enable/Disable (LTC1335) tZL Receiver Enable to Output Low Figures 6,12, CL = 15pF, S1 Closed q 40 90 ns tZH Receiver Enable to Output High Figures 6,12, CL = 15pF, S2 Closed q 40 90 ns tLZ Receiver Disable from Low Figures 6,12, CL = 15pF, S1 Closed q 40 90 ns tHZ Receiver Disable from High Figures 6,12, CL = 15pF, S2 Closed q 50 90 ns The q denotes specifications which apply over the full operating temperature range. Note 1: Absolute maximum ratings are those values beyond which the safety of the device cannot be guaranteed. Note 2: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless otherwise specified. Note 3: All typicals are given at VCC = VDD (LTC1321/LTC1322) = 5V, VEE = – 5V, and TA = 25°C. Note 4: Short-circuit current for RS485 driver output low state folds back above VCC. Peak current occurs around VO = 3V. |
Similar Part No. - LTC1321IS |
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Similar Description - LTC1321IS |
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