SP385ECT-L Datasheet, PDF (6/15 Pages) Exar Corporation – Enhanced +3V or +5V RS-232 Line Driver/Receiver

+5V INPUT
10µF +
2
0.1µF ⁺
6.3V
4
C
+
5
0.1µF +
16V
6
C
+
17
V
+5V to +10V
Voltage Doubler
+10V to -10V
Voltage Inverter
T1IN ¹²
T2IN ¹¹
400kΩ
T1
400kΩ
T2
1.0µF
16V
V+ ^{3 +}
V-
7
+
1.0µF
16V
15
T _1OUT
8
T2 OUT
R1OUT ¹³
R2OUT ¹⁰
R1
14
R₁IN
5kΩ
R2
9
R ₂IN
5kΩ
SP385E
18
ON/OFF
GND 16
SOIC Package
TYPICAL OPERATING CIRCUIT
+5V INPUT
10µF +
2
0.1µF ⁺
6.3V
4
C
+
5
0.1µF +
16V
6
C
+
19
V
+5V to +10V
Voltage Doubler
1.0µF
16V
V+ ^{3 +}
+10V to -10V
Voltage Inverter
V- ⁷
+
1.0µF
16V
T1IN ¹⁴
T2IN ¹³
400kΩ
T1
400kΩ
T2
17
T _1OUT
8
T2 OUT
R1OUT ¹⁵
R2OUT ¹²
R1
16
R₁IN
5kΩ
R2
5kΩ
SP385E
9
R ₂IN
20
ON/OFF
GND 18
SSOP Package
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP385E_100_030811