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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TH8082KDC датащи(PDF) 6 Page - Melexis Microelectronic Systems |
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TH8082KDC датащи(HTML) 6 Page - Melexis Microelectronic Systems |
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6 / 26 page  TH8082 Enhanced SoloLIN Transceiver TH8082 – Datasheet Page 6 of 26 3901008082 Feb 2007 Rev 007 2.3 Static Characteristics Unless otherwise specified all values in the following tables are valid for VS = 7 to 18V, VCC = 4.5 to 5.5V and TAMB= -40 to 125°C. All voltages are referenced to ground (GND), positive currents are flow into the IC. Parameter Symbol Condition Min Typ Max Unit PIN VS, VCC VCC undervoltage lockout VCC_UV EN=H, TxD=L 2.75 4.3 V Supply current, dominant ISd VS = 18V,VCC = 5.5V TxD = L 0.9 2 mA Supply current, dominant ICCd VS = 18V,VCC = 5.5V TxD = L 0.6 2 mA Supply current, recessive ISr VS = 18V,VCC = 5.5V TxD = H 25 50 µA Supply current, recessive ICCr VS = 18V,VCC = 5.5V TxD = H 50 75 µA Supply current, sleep mode ISsl VS = 12V,VCC and TxD = 0V, Tamb= 25 ° 6.5 µA Supply current, sleep mode ISsl VS = 12V, VCC and TxD = 0V 6.5 14 µA PIN BUS – Transmitter Short circuit bus current [2] [3] IBUS_LIM VBUS = VS, driver on 120 200 mA Pull up current bus [2] [3] IBUS_PU VBUS = 0, VS = 12V, driver off -600 -200 µA Pull up current bus IBUS_PU_SLEEP VBUS = 0, VS = 12V, sleep mode -100 -75 µA Bus reverse current, recessive [2] [3] IBUS_PAS_rec V BUS > VS , 8V < VBUS < 18V 7V < VS < 18V, driver off 5 µA Bus reverse current loss of battery [2] [3] IBUS VS = 0V, 0V < VBUS < 18V 5 µA Bus current during loss of ground [2] [3] IBUS_NO_GND VS = 12V, 0 < VBUS < 18V -1 1 mA Transmitter dominant voltage [2] VolBUS_2 VS = 7V, load = 500 Ω 1.2 V Transmitter dominant voltage [2] VolBUS_3 VS = 18V, load = 500 Ω 2 V BUS input capacitance [1] CBUS Pulse response via 10k Ω, VPULSE = 12V, Vs open 25 35 pF PIN BUS – Receiver Receiver dominant voltage [2] [3] VilBUS 0.4 *VS V Receiver recessive voltage [2] [3] VihBUS 0.6 *VS V Center point of receiver threshold [1] [2] [3] ViBUS_cnt VBUS_cnt = (VilBUS + VihBUS )/2 0.487 *VS 0.5 *VS 0.512 *VS V Receiver hysteresis [1] [2] [3] ViBUS_hys VBUS_cnt = ( VihBUS -VilBUS ) 0.175 *VS 0.187 *VS V PIN TXD, EN High level input voltage Vih Rising edge 0.7*VCC V Low level input voltage Vil Falling edge 0.3*VCC V TxD pull up resistor RIH_TXD VTXD = 0V 10 25 k Ω EN pull down resistor RIL_EH VEN = 5V 20 50 k Ω |
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