Datasheet

ADM3052 Data Sheet
Rev. A | Page 12 of 20
TEST CIRCUITS
V
OC
V
OD
V
CANL
V
CANH
R
L
2
R
L
2
TxD
09292-007
Figure 23. Driver Voltage Measurements
C
L
RxD
CANH
V
ID
CANL
09292-008
Figure 24. Receiver Voltage Measurements
CANH
CANL
TxD
RxD
C
L
R
L
15pF
09292-009
Figure 25. Switching Characteristics Measurements
09292-010
1µF
V
+
V
–
V
+R
V
+
10µF
R
P
R
L
100nF
ADM3052
TxD
RxD
ISOLATION
BARRIER
GND
1
LOGIC SIDE
ENCODE
DECODE
DECODE
V
+SENSE
DECODE ENCODE
BUS
V
+SENSE
ENCODE
DIGITAL ISOLATION
V
REF
V
DD2
V
DD1
C
INT
LINEAR
REGULATOR
BUS SIDE
REFERENCE
VOLTAGE
RECEIVER
DRIVER
PROTECTION
TxD
RxD
V
REF
V
DD2
GND
2
GND
2
CANL
CANH
CAN TRANSCEIVER
Figure 26. Supply Current Measurement Test Circuit