Datasheet

SN75196
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS188B – MAY 1995 – REVISED APRIL 1998
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
RECEIVER SECTION
Figure 11
INPUT THRESHOLD VOLTAGE
vs
FREE-AIR TEMPERATURE
2.2
2
1.8
1.6
1.4
1.2
0.8
0.6
0.4
2.4
T
A
– Free-Air Temperature – °C
V
IT–
V
IT+
706050403020100
1
– Input Threshold Voltage – VV
IT
Figure 12
INPUT THRESHOLD VOLTAGE
vs
SUPPLY VOLTAGE
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
9876543
0
10
2
V
CC
– Supply Voltage – V
2
V
IT–
V
IT+
– Input Threshold Voltage – VV
IT
Figure 13
Amplitude – V
NOISE REJECTION
C
C
= 300 pF
10
t
w
– Pulse Duration – ns
6
10000
0
1
2
3
4
5
100 400 1000 4000
C
C
= 12 pF
C
C
= 100 pF
NOTE A: This figure shows the maximum amplitude of a
positive-going pulse that, starting from 0 V, does not cause
a change of the output level.
V
CC
= 5 V
T
A
= 25°C
See Note A
C
C
= 500 pF
Figure 14
MAXIMUM SUPPLY VOLTAGE
vs
FREE-AIR TEMPERATURE
14
12
10
8
6
4
2
70605040302010
0
16
T
A
– Free-Air Temperature – °C
0
– Maximum Supply Voltage – VV
DD
R
L
≥ 3 kΩ (from each output to GND)