TEST CIRCUITS
VOD
R
R
VOC
Figure 6. Driver Voltage Measurement Test Circuit
375Ω
VOD3 60Ω
375Ω
VTST
Figure 7. Driver Enable/Disable Test Circuit
ADM488/ADM489
VCC
0V OR 3V
A
S1
DE B
RL
S2
CL
VOUT
DE IN
Figure 8. Driver Voltage Measurement Test Circuit 2
+1.5V
VCC
S1
–1.5V
RL
S2
RE
CL
VOUT
RE IN
Figure 9. Receiver Enable/Disable Test Circuit
3V
DE
Y
DI
D
Z
CL1
RLDIFF
CL2
A
RO
R
B
RE
Figure 10. Driver/Receiver Propagation Delay Test Circuit
Rev. D | Page 7 of 16