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ISL4270EIRZ 데이터시트(PDF) 5 Page - Intersil Corporation |
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ISL4270EIRZ 데이터시트(HTML) 5 Page - Intersil Corporation |
5 / 13 page 5 TRANSMITTER OUTPUTS Output Voltage Swing All Transmitter Outputs Loaded with 3k Ω to Ground Full ±5.0 ±5.4 - V Output Resistance VCC = V+ = V- = 0V, Transmitter Output = ±2V Full 300 10M - Ω Output Short-Circuit Current VOUT = 0V Full - ±35 ±60 mA Output Leakage Current VOUT = ±12V, VCC = 0V or 3V to 5.5V Automatic Powerdown or FORCEOFF =GND Full - - ±25 µA ENHANCED AUTOMATIC POWERDOWN (FORCEON = GND, FORCEOFF = VCC) Receiver Input Thresholds to INVALID High See Figure 4 Full -2.7 - 2.7 V Receiver Input Thresholds to INVALID Low See Figure 4 Full -0.3 - 0.3 V INVALID Output Voltage Low IOUT = 1.6mA Full - - 0.4 V INVALID Output Voltage High IOUT = -1.0mA Full VL - 0.6 - - V Receiver Positive or Negative Threshold to INVALID High Delay (tINVH) See Figure 7 25 - 1 - µs Receiver Positive or Negative Threshold to INVALID Low Delay (tINVL) See Figure 7 25 - 30 - µs Receiver or Transmitter Edge to Transmitters Enabled Delay (tWU) Note 2, See Figure 7 25 - 100 - µs Receiver or Transmitter Edge to Transmitters Disabled Delay (tAUTOPWDN) Note 2, See Figure 7 Full 15 30 60 sec TIMING CHARACTERISTICS Maximum Data Rate RL =3kΩ, CL = 1000pF, One Transmitter Switching Full 250 500 - kbps Receiver Propagation Delay Receiver Input to Receiver Output, CL = 150pF tPHL 25 - 0.15 - µs tPLH 25 - 0.15 - µs Time to Exit Powerdown TX | VOUT | ≥ 3.7V 25 - 100 - µs Transmitter Skew tPHL - tPLH 25 - 100 - ns Receiver Skew tPHL - tPLH 25 - 50 - ns Transition Region Slew Rate VCC =3.3V, RL =3kΩ to 7kΩ, Measured From 3V to -3V or -3V to 3V CL = 150pF to 1000pF 25 6 18 30 V/ µs CL = 150pF to 2500pF 25 4 13 30 V/ µs ESD PERFORMANCE RS-232 Pins (TOUT, RIN) Human Body Model 25 - ±15 - kV IEC61000-4-2 Air Gap Discharge 25 - ±15 - kV IEC61000-4-2 Contact Discharge 25 - ±8- kV NOTES: 2. An “edge” is defined as a transition through the transmitter or receiver input thresholds. Electrical Specifications Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1µF, VL = VCC; Unless Otherwise Specified. Typicals are at TA = 25 oC, V CC = VL = 3.3V (Continued) PARAMETER TEST CONDITIONS TEMP (oC) MIN TYP MAX UNITS ISL4270E |
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