GD75323
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS213A – JANUARY 1996 – REVISED JUNE 1999
TYPICAL CHARACTERISTICS
DRIVER SECTION
OUTPUT CURRENT
vs
VOLTAGE-TRANSFER CHARACTERISTICS
OUTPUT VOLTAGE
20
16
12
9
V
V
T
= 9 V
= –9 V
= 25°C
V
= 12 V, V
= 9 V, V
= –12 V
SS
DD
SS
A
DD
DD
V
= –9 V
= –6 V
SS
V
OL
(V = 1.9 V)
I
12
6
8
V
DD
= 6 V, V
SS
3
4
0
0
–4
–8
–12
–16
–20
–3
–6
–9
–12
3-kΩ
Load Line
V
OH
(V = 0.8 V)
I
R
T
A
= 3 kΩ
= 25°C
L
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
–16 –12
–8
–4
0
4
8
12
16
V
O
– Output Voltage – V
V – Input Voltage – V
I
Figure 7
Figure 8
SHORT-CIRCUIT OUTPUT CURRENT
SLEW RATE
vs
vs
FREE-AIR TEMPERATURE
LOAD CAPACITANCE
12
9
1000
V
V
R
= 9 V
= – 9 V
= 3 kΩ
= 25°C
DD
SS
L
I
(V = 1.9 V)
I
OS(L)
T
A
6
100
10
1
3
0
V
V
V
= 9 V
= –9 V
= 0
DD
SS
O
–3
–6
I
(V = 0.8 V)
I
OS(H)
–9
–12
10
100
1000
10000
0
10
20
30
40
50
60
70
T
A
– Free-Air Temperature – °C
C
– Load Capacitance – pF
L
Figure 9
Figure 10
8
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