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NCV7428D1L3R2G Datasheet(PDF) 8 Page - ON Semiconductor |
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NCV7428D1L3R2G Datasheet(HTML) 8 Page - ON Semiconductor |
8 / 19 page NCV7428 www.onsemi.com 8 Table 7. AC CHARACTERISTICS (VS = 5.5 V to 28 V; TJ = −40°C to +150°C; unless otherwise specified. For the transmitter parameters, the following bus loads are considered: L1 = 1 k W / 1 nF; L2 = 660 W / 6.8 nF; L3 = 500 W / 10 nF) Symbol Parameter Conditions Min Typ Max Unit LIN TRANSMITTER D1 Duty Cycle 1 = tBUS_REC(min) / (2 x tBIT) THREC(max) = 0.744 x VS THDOM(max) = 0.581 x VS tBIT = 50 ms VS = 7 V to 18 V 0.396 0.5 D2 Duty Cycle 2 = tBUS_REC(max) / (2 x tBIT) THREC(min) = 0.422 x VS THDOM(min) = 0.284 x VS tBIT = 50 ms VS = 7.6 V to 18 V 0.5 0.581 D3 Duty Cycle 3 = tBUS_REC(min) / (2 x tBIT) THREC(max) = 0.778 x VS THDOM(max) = 0.616 x VS tBIT = 96 ms VS = 7 V to 18 V 0.417 0.5 D4 Duty Cycle 4 = tBUS_REC(max) / (2 x tBIT) THREC(min) = 0.389 x VS THDOM(min) = 0.251 x VS tBIT = 96 ms VS = 7.6 V to 18 V 0.5 0.590 tfallNS LIN falling edge normal slope Normal Mode; VS = 12 V 22.5 ms triseNS LIN rising edge normal slope Normal Mode; VS = 12 V 22.5 ms tsymNS LIN slope symmetry normal slope Normal Mode; VS = 12 V −4 0 4 ms tfallLS LIN falling edge low slope (Note 12) Normal Mode; VS = 12 V 45 ms triseLS LIN rising edge low slope (Note 12) Normal Mode; VS = 12 V 45 ms ttx_prop_down Propagation Delay of TxD to LIN. TxD high to low (Note 11) 10 ms ttx_prop_up Propagation Delay of TxD to LIN. TxD low to high (Note 11) 10 ms tTxD_timeout TxD dominant timeout TxD = Low; LIN dominant timeout enabled 7 13 24 ms LIN RECEIVER trec_prop_down Propagation delay of receiver falling edge 0.1 6 ms trec_prop_up Propagation delay of receiver rising edge 0.1 6 ms trec_sym Propagation delay symmetry Trec_prop_down − Trec_prop_up −2 2 ms tLIN_wake Dominant duration for wakeup LIN in wakeup mode 30 80 150 ms MODE TRANSITIONS AND TIMEOUTS tsynch Input signal synchronization delay 5 15 40 ms tsynch_action Delay from the asynchronous input pin change to the system state change 11 25 55 ms tmodsel_set Low power mode selection delay 17 30 55 ms treset RSTN pulse extension 2 5 10 ms tVOUT_RES_filt Undervoltage detection filter time 11 25 55 ms 11. Values based on design and characterization. Not tested in production. 12. For low slope versions only (NV7428L5 and NV7428L3) |
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