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L9963E 数据表(PDF) 25 Page - STMicroelectronics |
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L9963E 数据表(HTML) 25 Page - STMicroelectronics |
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25 / 184 page  4.2.3.3 Electrical parameters 4.2.3.3.1 Receiver All parameters are tested and guaranteed in the following conditions, unless otherwise noted: 9.6 V < VBAT <64 V; -40 °C < Tambient < 105 °C Table 17. Isolated receiver electrical parameters Symbol Parameter Test conditions Min. Typ. Max. Unit VDIFF_ISO_IN3 Differential input voltage threshold |V(ISOP) – V(ISOM)| 100 250 400 mV VCM_ISO_IN Input voltage common mode range |V(ISOP) + V(ISOM)| /2 Design info 0 1.9 V RISO_DIFF Differential input resistance VIF enabled, no communication Resistance measured between ISOP and ISOM pins 5 15 kΩ RISO_EXT External termination resistance connected between ISOxP and ISOxM pins Info only, not tested 120 Ω IISO_LEAK ISO input leakage current 0 V < ISOHP/M, ISOLP/M < VCOM 5 μA TDET_MIN_WU Minimum pulse duration to be detected Application info 400 ns Wakeup_thr Wake up comparator threshold 80 200 320 mV 4.2.3.3.2 Transmitter All parameters are tested and guaranteed in the following conditions, unless otherwise noted: 9.6 V < VBAT < 64 V; -40 °C < Tambient < 105 °C Table 18. Isolated transmitter electrical parameters Symbol Parameter Test conditions Min. Typ. Max. Unit RDIFF_ISO_OUT1 Total output resistance: sum of pullup and pulldown resistance contribution Rpullup measured with V(ISOHL/MP) = 1.5 V Rpulldown measured with V(ISOHL/MP) = 0.9 V (out_res_tx_iso = 00, default) 310 440 570 Ω RDIFF_ISO_OUT2 (out_res_tx_iso = 01) 220 314 410 Ω RDIFF_ISO_OUT3 (out_res_tx_iso = 11) 170 244 310 Ω VCM_ISO_OUT Output voltage common mode |V(ISOP) + V(ISOM)|/2 1 1.4 V TBIT_HIGH_LOW_FAST High/low level bit duration into a whole period in case of high frequency configuration Application info iso_freq_sel = 11 62.5 ns TBIT_HIGH_LOW_SLOW High/low level bit duration into a whole period in case of low frequency configuration Application info iso_freq_sel = 00 500 ns TBIT_LENGTH_FAST Bit duration with high frequency configured Guarantee by SCAN iso_freq_sel = 11 375 ns TBIT_LENGTH_SLOW Bit duration with low frequency configured Guarantee by SCAN iso_freq_sel = 00 3 μs FISO_FAST Isolated Communication Rate High frequency communication Application info 2.66 Mbps L9963E Serial communication interface DS13636 - Rev 12 page 25/184 |
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