ADM3491
Test Circuits
R/2
V
OD
R/2
V
CC
375
V
OD3
R
L
V
TST
375
V
OC
Figure 1. Driver Voltage Measurement Test Circuit
V
CC
R
L
C
L
V
OUT
Figure 5. Driver Voltage Measurement Test Circuit 2
+1.5V
S1
–1.5V
RE
IN
RE
R
L
C
L
V
OUT
V
CC
0V OR 3V
DE
S1
S2
S2
DE IN
Figure 2. Driver Enable/Disable Test Circuit
Figure 6. Receiver Enable/Disable Test Circuit
V
OM
DI
C
L1
D
RL
DIFF
V
OUT
C
L2
IN
DE
S1
C
L
V
CC
R
L
V
OUT
Figure 3. Driver Differential Output Delay Test Circuit
Figure 7. Driver Propagation Delay Test Circuit
3V
DI
C
L1
D
RL
DIFF
C
L2
A
B
R
RE
RO
0V
V
ID
+1.5V
RE
C
L
V
OUT
Figure 4. Driver/Receiver Propagation Delay Test Circuit
Figure 8. Receiver Propagation Delay Test Circuit
–6–
REV. 0