Datasheet
SLLS185D − DECEMBER 1994 − REVISED JULY 2001
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 11
T
A
− Free-Air Temperature − °C
Input Threshold Voltage − V
RECEIVER
INPUT THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
V
IT−
V
IT+
2.4
2.2
2
1.8
1.6
1.4
1.2
0.6
0.4
1
0.8
0 10203040506070
IT
V
−
Figure 12
Input Threshold Voltage − V
RECEIVER
INPUT THRESHOLD VOLTAGE
vs
SUPPLY VOLTAGE
V
CC
− Supply Voltage − V
V
IT−
V
IT+
2
1.8
1.6
1.4
1.2
1
0.8
0.2
0
0.6
0.4
2345678910
IT
V
−
NOTE A: This figure shows the maximum amplitude of a
positive-going pulse that, starting from 0, does not cause a
change of the output level.
Figure 13
Amplitude − V
RECEIVER
NOISE REJECTION
t
w
− Pulse Duration − ns
6
5
4
3
2
1
0
0 40 100 400 1000 4000 10000
C
C
= 300 pF
V
CC
= 5 V
T
A
= 25°C
See Note A
C
C
= 500 pF
C
C
= 12 pF
C
C
= 100 pF
Figure 14
RECEIVER
MAXIMUM SUPPLY VOLTAGE
vs
FREE-AIR TEMPERATURE
T
A
− Free-Air Temperature − °C
R
L
≥ 3 kΩ (from each output to GND)
V
CC
− Supply Voltage − V
0 10203040506070
16
14
10
8
6
0
4
2
12