ADM485ARM Analog Devices Inc, ADM485ARM Datasheet - Page 11
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ADM485ARM
Manufacturer Part Number
ADM485ARM
Description
IC TXRX SINGLE RS-485 5V 8MSOP
Manufacturer
Analog Devices Inc
Type
Transceiverr
Datasheet
1.ADM485JRZ.pdf
(16 pages)
Specifications of ADM485ARM
Rohs Status
RoHS non-compliant
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,
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ADM485ARM
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Part Number:
ADM485ARMZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
SWITCHING CHARACTERISTICS
–V
3V
0V
+V
0V
B
A
O
V
A, B
A, B
O
O
DE
10% POINT
1/2V
90% POINT
Figure 26. Driver Propagation Delay, Rise/Fall Timing
O
1.5V
t
t
t
Figure 27. Driver Enable/Disable Timing
1.5V
PLH
ZL
ZH
t
R
2.3V
2.3V
t
SKEW
=
t
PLH
–
t
PHL
t
t
1.5V
LZ
HZ
1.5V
V
V
OL
OH
t
PHL
+ 0.5V
– 0.5V
90% POINT
t
F
3V
0V
10% POINT
V
V
OL
OH
0V
Rev. F | Page 11 of 16
A, B
RO
RE
RO
RO
0V
t
1.5V
t
Figure 29. Receiver Enable/Disable Timing
t
PLH
0V
ZH
ZL
Figure 28. Receiver Propagation Delay
1.5V
1.5V
1.5V
OUTPUT HIGH
t
OUTPUT LOW
SKEW
=
t
PLH
–
t
PHL
t
t
1.5V
HZ
LZ
t
PHL
0V
V
V
OL
OH
1.5V
+ 0.5V
– 0.5V
ADM485
3V
0V
V
V
OL
V
V
OH
OH
OL