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LTC488 数据表(PDF) 2 Page - Linear Technology |
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LTC488 数据表(HTML) 2 Page - Linear Technology |
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2 / 12 page  2 LTC488/LTC489 A G A U A R BSOLUTEXI TI S (Note 1) Supply Voltage (VCC) .............................................. 12V Control Input Currents ........................ – 25mA to 25mA Control Input Voltages ................ – 0.5V to (VCC + 0.5V) Receiver Input Voltages ........................................ ±14V Receiver Output Voltages ........... – 0.5V to (VCC + 0.5V) Operating Temperature Range LTC488C/LTC489C ................................. 0 °C to 70°C LTC488I/LTC489I .............................. – 40 °C to 85°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C PACKAGE/ORDER I FOR ATIO ORDER PART NUMBER ORDER PART NUMBER TJMAX = 150°C, θJA = 70°C/W (N PKG) TJMAX = 150°C, θJA = 90°C/W (S PKG) LTC488CN LTC488CS LTC488IN LTC488IS LTC489CN LTC489CS LTC489IN LTC489IS 1 2 3 4 5 6 7 8 TOP VIEW N PACKAGE 16-LEAD PLASTIC DIP S PACKAGE 16-LEAD PLASTIC SOL 16 15 14 13 12 11 10 9 B1 A1 RO1 EN12 RO2 A2 B2 GND VCC B4 A4 RO4 EN34 RO3 A3 B3 R R R R TJMAX = 150°C, θJA = 70°C/W (N PKG) TJMAX = 150°C, θJA = 90°C/W (S PKG) 1 2 3 4 5 6 7 8 TOP VIEW N PACKAGE 16-LEAD PLASTIC DIP S PACKAGE 16-LEAD PLASTIC SOL 16 15 14 13 12 11 10 9 B1 A1 RO1 EN RO2 A2 B2 GND VCC B4 A4 RO4 EN RO3 A3 B3 R R R R VCC = 5V (Notes 2, 3), unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VINH Input High Voltage EN, EN, EN12, EN34 q 2.0 V VINL Input Low Voltage EN, EN, EN12, EN34 q 0.8 V IIN1 Input Current EN, EN, EN12, EN34 q ±2 µA IIN2 Input Current (A, B) VCC = 0V or 5.25V, VIN = 12V q 1.0 mA VCC = 0V or 5.25V, VIN = – 7V q – 0.8 mA VTH Differential Input Threshold Voltage for Receiver – 7V ≤ VCM ≤ 12V q – 0.2 0.2 V ∆VTH Receiver Input Hysteresis VCM = 0V 60 mV VOH Receiver Output High Voltage IO = – 4mA, VID = 0.2V q 3.5 V VOL Receiver Output Low Voltage IO = 4mA, VID = – 0.2V q 0.4 V IOZR Three-State Output Current at Receiver VCC = Max 0.4V ≤ VO ≤ 2.4V q ±1 µA ICC Supply Current No Load, Digital Pins = GND or VCC q 710 mA RIN Receiver Input Resistance – 7V ≤ VCM ≤ 12V, VCC = 0V q 12 k Ω IOSR Receiver Short-Circuit Current 0V ≤ VO ≤ VCC q 785 mA tPLH Receiver Input to Output CL = 15pF (Figures 1, 3) q 12 28 55 ns tPHL Receiver Input to Output CL = 15pF (Figures 1, 3) q 12 28 55 ns tSKD | tPLH – tPHL |CL = 15pF (Figures 1, 3) 4 ns Differential Receiver Skew ELECTRICAL C C HARA TERISTICS C D Consult factory for Military grade parts. |
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