adm2587e Analog Devices, Inc., adm2587e Datasheet - Page 11

• Manufacturer Part Number: adm2587e
• Description: Isolated 15kv Esd Protected Rs-485 Transceiver With Integrated Isolated Dc/dc Converter
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
A – B
SWITCHING CHARACTERISTICS
V
V
RxD
+V
DIFF
–V
DD
0V
Z
Y
O
O
V
O
10% POINT
1/2V
t
90% POINT
Figure 9. Driver Propagation Delay, Rise/Fall Timing
O
PLH
0V
t
DPLH
V
Figure 10. Receiver Propagation Delay
t
1.5V
DD
DR
/2
V
DIFF
t
SKEW
= V
= |t
(Y)
V
DD
PLH
– V
/2
– t
(Z)
PHL
t
t
DPHL
PHL
|
0V
t
90% POINT
DF
1.5V
10% POINT
V
V
Rev. PrH | Page 11 of 16
OH
OL
Y, Z
Y, Z
RO
RO
DE
RE
0V
0.5V
t
t
ZH
ZL
0.5V
t
t
ZL
ZH
DD
DD
Figure 12. Receiver Enable/Disable Timing
2.3V
2.3V
Figure 11. Driver Enable/Disable Timing
1.5V
1.5V
OUTPUT LOW
OUTPUT HIGH
ADM2582E/ADM2587E
t
t
HZ
LZ
0.5V
t
t
HZ
LZ
0.5V
DD
V
V
OL
OH
DD
V
V
+ 0.5V
– 0.5V
OL
OH
+ 0.5V
– 0.5V
0.7V
0.3V
V
0V
V
V
0V
DD
DD
V
V
DD
OL
OH
OL
OH