Datasheet
SLLS173F − JANUARY 1994 − REVISED APRIL 2006
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
40
5
25
15
0
50
30
10 K 100 K 1 M 10 M 100 M
45
10
20
AVERAGE SUPPLY CURRENT
vs
FREQUENCY
35
60
55
− Average Supply Current − mAI
CC
f − Frequency − Hz
− 0.4
− 0.6
− 0.8
− 1
− 8 − 6 − 4 − 2 0 2
− Input Current − mA
− 0.2
0
RECEIVER
INPUT CURRENT
vs
INPUT VOLTAGE
(COMPLEMENTARY INPUT AT 0 V)
0.2
468
10 12
0.4
0.6
0.8
I
I
V
I
− Input Voltage − V
1
T
A
= 25°C
V
CC
= 5 V
The shaded region of this graph represents
more than 1 unit load per RS-485.
Receiver Load = 50 pF
Driver Load = Receiver Inputs
Figure 13 Figure 14
23.5
23
22.5
22
− 40 − 20 0 20 40 60
− Propagation Delay Time − ns
24
24.5
RECEIVER
PROPAGATION DELAY TIME
vs
FREE-AIR TEMPERATURE
80 100
T
A
− Free-Air Temperature − °C
t
PHL
t
PLH
V
CC
= 5 V
C
L
= 15 pF
V
IO
= ±1.5 V
t
pd
Figure 15