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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC4312 датащи(PDF) 3 Page - Linear Technology |
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LTC4312 датащи(HTML) 3 Page - Linear Technology |
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3 / 20 page  LTC4314 3 4314f ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supply/Start-Up VCC Input Supply Voltage l 2.9 5.5 V VDD, BUS 2-Wire Bus Supply Voltage l 2.25 5.5 V VCC2 Output Side Accelerator Supply Voltage l 2.25 5.5 V ICC Input Supply Current One or More VENABLE1-4 = VCC = VCC2 = 5.5V (Note 3) l 6.0 7.3 9 mA ICC(DISABLED) Input Supply Current VENABLE1-4 = 0V, VCC = VCC2 = 5.5V (Note 3) l 1.6 2.2 3.5 mA ICC2 VCC2 Supply Current One or More VENABLE1-4 = VCC = VCC2 = 5.5V (Note 3) l 0.35 0.5 0.6 mA tUVLO UVLO Delay l 60 110 200 μs VTH_UVLO UVLO Threshold l 2.3 2.6 V VCC_UVLO(HYST) UVLO Threshold Hysteresis Voltage 200 mV Buffers VOS(SAT) Buffer Offset Voltage IOL = 4mA, Driven VSDAIN, SCLIN = 50mV l 130 220 280 mV IOL = 500μA, Driven VSDAIN, SCLIN = 50mV l 15 60 120 mV VOS2(SAT) Buffer Offset Voltage IOL = 4mA, Driven VSDAOUT, SCLOUT = 50mV l 90 190 260 mV IOL = 500μA, Driven VSDAOUT, SCLOUT = 50mV l 15 55 110 mV VOS Buffer Offset Voltage IOL = 4mA, Driven VSDAIN, SCLIN = 200mV l 50 130 195 mV IOL = 500μA, Driven VSDAIN, SCLIN = 200mV l 15 55 110 mV VOS2 Buffer Offset Voltage IOL = 4mA, Driven VSDAOUT,SCLOUT = 200mV l 35 95 170 mV IOL = 500μA, Driven VSDAOUT,SCLOUT = 200mV l 15 50 100 mV VIL,FALLING Buffer Input Logic Low Voltage SDA, SCL Pins (Notes 4, 5) l 0.3•VMIN 0.33•VMIN 0.36•VMIN V VIL,RISING Buffer Input Logic Low Voltage SDA, SCL Pins; ACC Grounded l 0.5 0.6 0.7 V SDA, SCL Pins; ACC Open or High (Notes 4, 5) l 0.3•VMIN 0.33•VMIN 0.36•VMIN V ILEAK Input Leakage Current SDA, SCL Pins; VCC, VCC2 = 0V, 5.5V l ±10 μA CIN Input Capacitance SDA, SCL Pins (Note 6) <20 pF Rise Time Accelerators dV/dt (RTA) Minimum Slew Rate Requirement SDA, SCL Pins; VCC = VCC2 = 5V l 0.1 0.2 0.4 V/μs VRTA(TH) Rise Time Accelerator DC Threshold Voltage SDA, SCL Pins; VCC = VCC2 = 5V, ACC Grounded l 0.7 0.8 0.9 V ACC Open or High, VCC = VCC2 = 5V (Note 4) l 0.36•VMIN 0.4•VMIN 0.44•VMIN V ΔVACC Buffers Off to Accelerator On Voltage SDA, SCL Pins; VCC = VCC2 = 5V, ACC Grounded l 100 200 mV ACC Open, VCC = VCC2 = 5V (Note 4) l 0.05•VMIN 0.07•VMIN mV IRTA Rise Time Accelerator Pull-Up Current SDA, SCL Pins; VCC = VCC2 = 5V, ACC Grounded (Note 7) l 20 35 45 mA ACC Open, VCC = VCC2 = 5V (Note 7) l 1.5 3 4 mA Enable/Control VDISCEN(TH) DISCEN Threshold Voltage l 0.8 1.4 2 V ΔVDISCEN(HYST) DISCEN Hysteresis Voltage 20 mV VEN(TH) ENABLE1-4 Threshold Voltage l 0.8 1.4 2 V ΔVEN(HYST) ENABLE1-4 Hysteresis Voltage 20 mV The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = VCC2 = 3.3V unless otherwise noted. |
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