Datasheet

LTC2875
7
Rev A
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TEST CIRCUITS
Figure4. TXD Dominant Timeout Time
Figure5. RXD Enable and Disable Timing
2875 TC04
1/2 V
CC
TXD
LOW
HIGH
0.9V
0.5V
t
TOTXD
RECESSIVE
CANH
CANL
DOMINANT
V
OD
2875 TC06
1/2 V
CC
t
ENTX
t
PTXBD
t
SHDNTX
TXD
LOW
HIGH
0.9V
0.5V
RECESSIVE
CANH
CANL
DOMINANT
V
OD
0.6V
CC
0.9V
CC
RS
LOW
HIGH
2875 TC05
1/2 V
CC
t
ENRX
RXD
LOW
HIGH
0.6V
CC
0.9V
CC
RS
LOW
HIGH
1/2 V
CC
t
SHDNRX
RS
GND
V
CC
RXD
TXD
GND
V
CC
RXD
15pF
LTC2875
RS
CANH
CANL
SPLIT
47µF 0.1µF
1.5V
1k
+
–
V
Figure6. TXD Enable and Disable Timing
5 • t
BIT(TXD)
TXD
RXD
2875 F07
t
BIT(TXD)
t
BIT(RXD)
Figure7. Loop Delay Symmetry
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