ADM1490EBRMZ Analog Devices Inc, ADM1490EBRMZ Datasheet - Page 9

• Manufacturer Part Number: ADM1490EBRMZ
• Description: 5V Full Duplex RS-485 Tranceiver I.C.
• Manufacturer: Analog Devices Inc
• Type: Transceiverr

Specifications of ADM1490EBRMZ

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TEST CIRCUITS
DI
DI
Figure 21. Driver Voltage Measurements
Figure 22. Driver Voltage Measurements
DI
Figure 23. Driver Propagation Delay
Z
Y
Y
Z
Y
Z
V
OD3
V
OD2
60Ω
R
L
375Ω
375Ω
R
R
2
2
C
C
L
L
L
L
V
V
TEST
OC
Rev. C | Page 9 of 16
–1.5V
+1.5V
Figure 26. Receiver Enable/Disable Timing
DE
RE
Figure 24. Driver Enable/Disable Timing
DI
Figure 25. Receiver Propagation Delay
S1
A
B
Y
Z
RE
RE
S1
ADM1490E/ADM1491E
C
V
L
OUT
C
50pF
110Ω
C
L
R
L
V
L
OUT
R
L
V
V
OUT
CC
S2
V
CC
S2