LT1080, LT1081
ADVANCED LOW-POWER
5-V DUAL EIA-232 DRIVER/RECEIVERS
SLLS050A – D3121, SEPTEMBER 1989 – REVISED FEBRUARY 1991
TYPICAL CHARACTERISTICS
†
SUPPLY OUTPUT VOLTAGE
vs
OUTPUT CURRENT
10
8
Loaded to VS –
6
Supply Output Voltage – V
4
2
VCC = 5 V
0
–2
–4
–6
–8
– 10
0
2
4
6
8
10 12 14 16
IO – Output Current – mA
18
20
Loaded to VS +
VS –
Loaded to GND
VS +
Loaded to GND
Supply Output Voltage – V
10
8
VS +
6
4
2
0
–2
–4
VS –
–6
–8
– 10
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
t – Time – ms
VCC = 5 V
C1 – C4 = 1
µF
RL = 4.7 kΩ
SUPPLY OUTPUT VOLTAGE
vs
ELAPSED TIME
Figure 5
ON/OFF INPUT CURRENT
vs
INPUT VOLTAGE
40
35
30
I I – Input Current –
µ
A
25
20
15
10
5
0
–5
– 10
0
1
2
3
4
5
VI – Input Voltage – V
V I – Input Voltage – V
5
4.5
4
3.5
3
2.5
2
1.5
1
Figure 6
ON/OFF INPUT VOLTAGE
vs
FREE-AIR TEMPERATURE
Min On Voltage
Max Off Voltage
0.5
0
– 50
– 25
0
25
50
75
100
125
TA – Free-Air Temperature –
°C
Figure 7
Figure 8
† Data at high and low temperatures are applicable only within the rated operating free-air temperature ranges of the various devices.
2–6
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
