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TPIC1021D 数据表(PDF) 8 Page - Texas Instruments |
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TPIC1021D 数据表(HTML) 8 Page - Texas Instruments |
8 / 18 page www.ti.com ELECTRICAL CHARACTERISTICS TPIC1021 LIN Physical Interface SLIS113C – OCTOBER 2004 – REVISED JULY 2005 V SUP = 7 V to 27 V, TA = -40°C to 125°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT SUPPLY Operational supply voltage(2) 7 14 27 V Nominal supply line voltage(2) 7 14 18 V VSUP undervoltage threshold(2) 4.5 V ICC Supply Current Normal Mode, EN = 1, Bus domi- 1.2 2.5 mA nant (total bus load > 500 Ω)(3) Standby Mode, EN = 0, Bus domi- 1 2.1 mA nant (total bus load > 500 Ω)(3) Normal Mode, EN = 1, Bus recess- 300 500 µA ive Standby Mode, EN = 0, Bus recess- 300 500 µA ive Low Power Mode, EN = 0, VSUP < 20 50 µA 14 V, NWake = VSUP, LIN = VSUP Low Power Mode, EN = 0, 14 V < 50 100 µA VSUP < 27 V, NWake = VSUP, LIN = VSUP RXD OUTPUT PIN VO Output voltage -0.3 5.5 V IOL Low-level output current, open drain LIN = 0 V, RXD = 0.4 V 3.5 mA IIKG Leakage current, high-level LIN = VSUP, RXD = 5 V -5 0 5 µA TXD INPUT PIN VIL Low-level input voltage(2) -0.3 0.8 V VIH High-level input voltage(2) 2 5.5 V VIT Input threshold hysteresis voltage(2) 30 500 mV Pull-down resistor 125 350 800 k Ω IIL Low-level input current TXD = 0 -5 0 5 µA LIN PIN (Referenced to VSUP) VOH High-level output voltage(2) LIN recessive, TXD = High, IO = 0 VSUP-1V V mA VOL Low-level output voltage(2) LIN dominant, TXD = Low, IO = 40 0 0.2 ×V SUP V mA Pull-up resistor to VSUP 20 30 60 k Ω IL Limiting current TXD = Low 50 150 250 mA IIKG Leakage current LIN = VSUP -5 0 5 µA VIL Low-level input voltage(2) LIN dominant 0 ×V SUP 0.4 ×V SUP V VIH High-level input voltage(2) LIN recessive 0.6 ×V SUP VSUP V VIT Input threshold voltage(2) 0.4 ×V SUP 0.5 ×V SUP 0.6 ×V SUP V Vhys Hysteresis voltage(2) 0.05 ×V SUP 0.175 ×V SUP V VIL Low-level input voltage for 0 0.4 ×V SUP V wake-up(2) EN PIN VIL Low-level input voltage(2) -0.3 0.8 V VIH High-level input voltage(2) 2 5.5 V Vhys Hysteresis voltage(2) 30 500 mV (1) Typical values are give for VSUP = 14 V at 25°C. (2) All voltages are defined with respect to ground; positive currents flow into the TPIC1021 device. (3) In the dominant state the supply current increases as the supply voltage increases due to the integrated LIN slave termination resistance. At higher voltages the majority of supply current is through the termination resistance. The minimum resistance of the LIN slave termination is 20 k Ω so the maximum supply current attributed to the termination is: I SUP (dom) max termination ≈ (VSUP– (VLIN_Dominant+0.7V) / 20 kΩ. 8 |
类似零件编号 - TPIC1021D |
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类似说明 - TPIC1021D |
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