Datasheet

 
    
SLLS170E − OCTOBER 1993 − REVISED AUGUST 2000
7
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 6
180
120
60
0
0 3 6 9 12 15
− Low-Level Output Voltage − mV
240
300
LOW-LEVEL OUTPUT VOLTAGE
vs
LOW-LEVEL OUTPUT CURRENT
360
18 21 24
27 30
420
480
540
V
OL
I
OL
− Low-Level Output Current − mA
600
660
T
A
= 25°C
V
CC
= 5 V
V
ID
= 200 mV
Figure 7
6
4
2
0
10k 100k 1M
Average Supply Current − mA
8
10
AVERAGE SUPPLY CURRENT
vs
FREQUENCY
12
10M 100M
14
I
CC
f − Frequency − Hz
T
A
= 25°C
V
CC
= 5 V
Figure 8
−0.4
−0.6
−0.8
−1
−8 −6 −4 −2 0 2
− Input Current − mA
−0.2
0
BUS
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.
Figure 9
23.5
23
22.5
22
−40 −20 0 20 40 60
24
24.5
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
Propagation Delay Time − ns
t
pd