ADM3490ARZ Analog Devices Inc, ADM3490ARZ Datasheet - Page 11

• Manufacturer Part Number: ADM3490ARZ
• Description: IC TXRX RS-422/485 3.3V 8-SOIC
• Manufacturer: Analog Devices Inc
• Type: Transceiverr

Specifications of ADM3490ARZ

• Number Of Drivers/receivers: 1/1
• Protocol: RS422, RS485
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Device Type: Differential Line Transceiver
• Ic Interface Type: RS422, RS485
• No. Of Drivers: 2
• Supply Voltage Range: 3V To 3.6V
• Driver Case Style: SOIC
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SWITCHING CHARACTERISTICS
Figure 16. Driver Differential Output Delay and Transition Times
OUT
OUT
OUT
A/Y
B/Z
IN
IN
10%
Figure 17. Driver Propagation Delays
50%
1.5V
OUT
1.5V
OUT
IN
IN
V
V
+0.25V
90%
OM
OM
t
t
t
DD
PLH
PHL
t
TD
1.5V
1.5V
1.5V
90%
t
t
t
PRSH
PRZH
PRHZ
50%
10%
V
V
OM
OM
t
t
t
DD
PHL
PLH
t
1.5V
TD
1.5V
OUT
+3V
0
≈ +2V
≈ –2V
3V
0V
V
V
V
V
IN
t
RPLH
OH
OL
OH
OL
Figure 21. Receiver Enable and Disable Times
Figure 20. Receiver Propagation Delays
+3V
0
V
0
+3V
0
V
0
OH
OH
S1 OPEN
S2 CLOSED
S3 = +1.5V
S1 OPEN
S2 CLOSED
S3 = +1.5V
1.5V
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491
Rev. D | Page 11 of 20
V
OM
1.5V
OUT
OUT
IN
IN
V
+0.25V
OM
t
RPHL
Figure 18. Driver Enable and Disable Times (t
1.5V
OUT
Figure 19. Driver Enable and Disable Times (t
OUT
IN
IN
3V
0
V
0
t
CC
t
PZH
PRLZ
t
t
PRSL
PRZL
1.5V
1.5V
1.5V
V
1.5V
V
OM
t
OM
PSL
t
PHZ
1.5V
1.5V
+3V
0
V
V
+3V
0
V
V
CC
OL
CC
OL
S1 CLOSED
S2 OPEN
S3 = –1.5V
S1 CLOSED
S2 OPEN
S3 = –1.5V
t
PLZ
0.25V
0.25V
PZH
PZL
3V
0
V
V
, t
, t
3V
0
V
0
CC
OL
OH
PSH
PSL
, t
, t
PLZ
PHZ
)
)