ADM488 Analog Devices, ADM488 Datasheet - Page 5

• Manufacturer Part Number: ADM488
• Description: Full-Duplex/ Low Power/ Slew Rate Limited/ EIA RS-485 Transceivers
• Manufacturer: Analog Devices

REV. 0
Test Circuits
Figure 1. Driver Voltage Measurement Test Circuit
Figure 2. Driver Enable/Disable Test Circuit
V
OD3
V
OD
Figure 5. Driver/Receiver Propagation Delay Test Circuit
60
375
375
R
R
V
TST
DI
V
DE
OC
+3V
D
Y
Z
RL
–5–
DIFF
C
C
Figure 3. Driver Voltage Measurement Test Circuit 2
L1
L2
Figure 4. Receiver Enable/Disable Test Circuit
0V OR 3V
A
B
+1.5V
–1.5V
DE IN
R
RE IN
S1
RE
RO
DE
A
B
RE
ADM488/ADM489
S1
C
V
OUT
L
R
L
C
V
OUT
L
R
L
V
CC
S2
V
CC
S2