±80V Fault-Protected, 2Mbps, Low Supply
Current CAN Transceivers
CAN
CONTROLLER
TX0
RX0
GND
VCC
0.1µF
VCC
CANH
MAX3050
100pF
TXD MAX3057 CANL
RXD
30pF
RS
24kΩ TO 180kΩ
(100nF)
SHDN
GND
Figure 1. AC Test Circuit
120Ω
120Ω
( ) ARE FOR MAX3050 ONLY.
TXD
CANH
CANL
CANH - CANL
RXD
DOMINANT
VCC/2
0.9V
0.5V RECESSIVE
VCC/2
CANH
VSHDN
9V
VSHDN = 2V
tONTXD
tOFFTXD
tONRXD
tOFFRXD
Figure 2. Timing Diagram for Dynamic Characteristics
tWAKE
Figure 3. Time to Wake Up (tWAKE) (MAX3050)
_______________________________________________________________________________________ 5