TEST CIRCUITS
VOD
R
R
VOC
Figure 11. Driver Voltage Measurement Test Circuit
375Ω
VOD3
60Ω
VTST
375Ω
Figure 12. Driver Enable/Disable Test Circuit
VCC
0V OR 3V
A
S1
DE B
RL
S2
CL
VOUT
DE IN
Figure 13. Driver Voltage Measurement Test Circuit
ADM488A/ADM489A
+1.5V
VCC
S1
–1.5V
RL
S2
RE
CL
VOUT
RE IN
Figure 14. Receiver Enable/Disable Test Circuit
3V
DE
Y
DI
D
Z
CL1
RLDIFF
CL2
A
RO
R
B
RE
Figure 15. Driver/Receiver Propagation Delay Test Circuit
Rev. 0 | Page 9 of 16