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TH8080 Datasheet(PDF) 6 Page - Melexis Microelectronic Systems |
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TH8080 Datasheet(HTML) 6 Page - Melexis Microelectronic Systems |
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6 / 23 page  TH8080 SoloLIN Transceiver TH8080 – Datasheet Page 6 of 23 3901008080 July 2004 Rev 006 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 VS > 7V, TxD=L 2.75 4.3 V Supply current, dominant ISd VS = 18V,VCC = 5.5V, TxD = L 1 3 mA Supply current, dominant ICCd VS = 18V,VCC = 5.5V, TxD = L 0.8 1.5 mA Supply current, recessive ISr VS = 18V,VCC = 5.5V,TxD=open 10 20 µA Supply current, recessive ICCr VS = 18V,VCC = 5.5V,TxD=open 18 30 µA Supply current, recessive ISr + ICCr VS = 12V,VCC = 5V, TxD=open, Tamb= 25 ° 24 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 mA Bus reverse current, recessive [2] [3] IBUS_PAS_rec V BUS > VS , 7V < 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 [1] [2] VBUSdom_DRV_2 VS = 7V, load = 500 Ω 1.2 V Transmitter dominant voltage [2] VBUSdom_DRV_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] VBUSdom 0.4 *VS V Receiver recessive voltage [2] [3] VBUSrec 0.6 *VS V Center point of receiver threshold [1] [2] [3] VBUS_CNT VBUS_CNT = (VBUSdom + VBUSrec )/2 0.487 *VS 0.5 *VS 0.512 *VS V Receiver hysteresis [1] [2] [3] VHYS VBUS_CNTt = ( VBUSrec -VBUSdom ) 0.175 *VS 0.187 *VS V PIN TXD 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 15 20 k Ω PIN RXD Low level output voltage Vol_rxd IRxD = 2mA 0.9 V Leakage Current Vleak_rxd VRxD = 5.5V, recessive -10 10 µA |
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