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TH8082KDC Datasheet(PDF) 8 Page - Melexis Microelectronic Systems |
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TH8082KDC Datasheet(HTML) 8 Page - Melexis Microelectronic Systems |
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8 / 26 page  TH8082 Enhanced SoloLIN Transceiver TH8082 – Datasheet Page 8 of 26 3901008082 Feb 2007 Rev 007 2.4 Dynamic Characteristics Unless otherwise specified all values in the following table are valid for VS = 7 to 18V and TAMB= -40 to 125 oC. Parameter Symbol Condition Min Typ Max Unit Propagation delay transmitter [1] [3] [6] ttrans_pd Bus loads: 1K Ω/1nF, 660 Ω/6.8nF, 500Ω/10nF 5 µs Propagation delay transmitter symmetry [3] [6] ttrans_sym Calculate ttrans_pdf - ttrans_pdr -2 2 µs Propagation delay receiver [1] [3] [6] [7] [9] trec_pdf CRxD = 25pF 6 µs Propagation delay receiver symmetry [3] [6] [7] trec_sym Calculate ttrans_pdf - ttrans_pdr -2 2 µs Slew rate rising and falling edge, high batttery [5] [6] |tSR_HB| Bus load, VS = 18V 1K Ω/1nF 660 Ω/6.8nF 500 Ω/10nF 1 2 3 V/µs Slew rate rising and falling edge, low batttery [5] [6] |tSR_LB| Bus load, VS = 7V 1K Ω/1nF 660 Ω/6.8nF 500 Ω/10nF 0.5 2 3 V/µs Slope Symmetry, high battery [5] [6] t ssym_HB Bus load, VS = 18V 1K Ω/1nF 660 Ω/6.8nF 500 Ω/10nF Calculate t sdom - t srec -5 +5 µs Bus duty cycle 1 [7] D1 Calculate tBUS_rec(min)/100µs 0.396 Bus duty cycle 2 [7] D2 Calculate tBUS_rec(max)/100µs 0.581 Receiver debounce time [2] [5] [9] trec_deb BUS rising and falling edge 1.5 4 µs Wake-up filter time twu Sleep mode, BUS rising and falling edge 30 150 µs EN - debounce time ten_deb Normal to sleep mode transition 10 20 40 µs [1] Propagation delays are not relevant for LIN protocol transmission, value only information parameter [2] No production test, guaranteed by design and qualification [3] See Figure 2 - Input / Output timing [4] See Figure 8 - Slope time and slew rate calculation [5] See Figure 3 – Receiver debouncing a and propagation delay [6] In accordance to LIN Physical Layer Specification 1.3 [7] In accordance to LIN Physical Layer Specification 2.0 [8] See Figure 9 - Duty cycle calculation in accordance to LIN 2.0 [9] This parameter is tested by applying a wave signal to the bus. The minimum slew rate for the bus rising and falling edge is 50V/µs |
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