L9803 Datasheet, PDF (122/126 Pages) STMicroelectronics – Super smart power motor driver with 8-Bit MCU, RAM, EEPROM, ADC, WDG, Timers, PWM and H-bridge driver

Electrical Characteristics
L9803
Table 26. CAN Transceiver
Rl = 60 Ohm, see note 1, unless otherwise specified.
Symbol
Parameter
Conditions
V_{CANHL_R}
Recessive State CAN_H,
CAN_L Output Voltage
V_{DIFF_R}
V_{CANH_D}
Recessive State Differential
Output Voltage
(V_DIFF = V_CANH - V_CANL)
Dominant State CAN_H
Output Voltage
V_{CANL_D}
Dominant State CAN_L
Output Voltage
TX=High Level
V_DD = 5V
I_CANH = I_CANL = 0
TX=High Level
I_CANH = I_CANL = 0
TX = Low Level; VDD
= 5V
TX = Low Level; VDD
= 5V
Min.
2.0
-500
2.75
0.5
V_{DIFF_D}
I_SC
Dominant State Differential
Output Voltage
(V_DIFF = V_CANH - V_CANL)
TX = Low Level; VDD
= 5V
1.5
CAN_H, CAN_L Short Circuit
Threshold Current
90
V_REC
Differential Input Voltage for
Recessive State
(V_DIFF = V_CANH - V_CANL)
V_CANL = -2V; TX =
High Level
V_CANH = 6.5V: TX =
High Level
V_DOM
Differential Input Voltage for ^{VCANL = -2V; TX =}
Dominant State
(V_DIFF = V_CANH - V_CANL)
High Level
V_CANH = 6.1V: TX =
900
High Level
V_{DIFF_HYS}
Differential Input Voltage
Hysteresis
Delay Time from TX to V_DIFF =
t_TD
V_CANH - V_CANL
Typ Max Unit
2.5 3.5 V
0
50 mV
3.5 4.5 V
1.5 2.25 V
2.0 3.0 V
200 mA
200 mV
mV
150
mV
50 ns
t_DR
t_D
SR_H
SR_L
t_TR
1/t_bit
Delay Time from V_DIFF to RX
V_DIFF = V_CANH - V_CANL
Disabled Transmission Time
for Overcurrent Protection
VCANH Slew Rate Between
20% and 80%
VCANL Slew Rate Between
20% and 80%
Delay Time from TX to RX
Transmission speed
non return to zero
150 ns
1
5
10 us
15
80 V/µs
15
80 V/µs
200 ns
1 Mb/s
122/126