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L9803 データシート(PDF) 122 Page - STMicroelectronics |
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L9803 データシート(HTML) 122 Page - STMicroelectronics |
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122 / 126 page ![]() Electrical Characteristics L9803 122/126 Table 26. CAN Transceiver Rl = 60 Ohm, see note 1, unless otherwise specified. Symbol Parameter Conditions Min. Typ Max Unit VCANHL_R Recessive State CAN_H, CAN_L Output Voltage TX=High Level VDD = 5V ICANH = ICANL = 0 2.0 2.5 3.5 V VDIFF_R Recessive State Differential Output Voltage (VDIFF = VCANH - VCANL) TX=High Level ICANH = ICANL = 0 -500 0 50 mV VCANH_D Dominant State CAN_H Output Voltage TX = Low Level; VDD = 5V 2.75 3.5 4.5 V VCANL_D Dominant State CAN_L Output Voltage TX = Low Level; VDD = 5V 0.5 1.5 2.25 V VDIFF_D Dominant State Differential Output Voltage (VDIFF = VCANH - VCANL) TX = Low Level; VDD = 5V 1.5 2.0 3.0 V ISC CAN_H, CAN_L Short Circuit Threshold Current 90 200 mA VREC Differential Input Voltage for Recessive State (VDIFF = VCANH - VCANL) VCANL = -2V; TX = High Level VCANH = 6.5V: TX = High Level 200 mV VDOM Differential Input Voltage for Dominant State (VDIFF = VCANH - VCANL) VCANL = -2V; TX = High Level VCANH = 6.1V: TX = High Level 900 mV VDIFF_HYS Differential Input Voltage Hysteresis 150 mV tTD Delay Time from TX to VDIFF = VCANH - VCANL 50 ns tDR Delay Time from VDIFF to RX VDIFF = VCANH - VCANL 150 ns tD Disabled Transmission Time for Overcurrent Protection 1 5 10 us SRH VCANH Slew Rate Between 20% and 80% 15 80 V/ µs SRL VCANL Slew Rate Between 20% and 80% 15 80 V/ µs tTR Delay Time from TX to RX 200 ns 1/tbit Transmission speed non return to zero 1 Mb/s |
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