ISL4221E Datasheet, PDF (3/13 Pages) Intersil Corporation – QFN Packaged, +/-15kV ESD Protected, +2.7V to +5.5V, 150Nanoamp, 250kBps, RS-232 Transmitters/Receivers

Typical Operating Circuits
ISL4221E, ISL4223E
ISL4221E
+3.3V
+
0.1µF
C₁
0.1µF
C₂
0.1µF
16
+
C1+
2 _C1-
3
+
C2+
4
C2-
TTL/CMOS
9
T1_IN
LOGIC
LEVELS _R1OUT
7
15 EN
13
V_CC
T₁
R₁
1
V+
+ ^C3
0.1µF
V- ⁵
11
C₄
+0.1^µF
T1_OUT
6
5kΩ
R1_IN
RS-232
LEVELS
14
FORCEOFF
V_CC
10
8
FORCEON
INVALID
GND
TO POWER
CONTROL LOGIC
12
ISL4223E
+3.3V
+ _0.1µF
C₁
0.1µF
C₂
0.1µF
20
+ ^C1+
2
C1-
3
+
C2+
4
C2-
11
T1_IN
TTL/CMOS
LOGIC LEVELS
10
T2_IN
13
R1_OUT
8
R2_OUT
19 _EN
17
V_CC
T₁
T₂
1
V+
V- ⁵
15
6
14
R₁
5kΩ
7
R₂
5kΩ
18
FORCEOFF
12
FORCEON
9
INVALID
GND
16
+ ^C3
0.1µF
C₄
+0.1^µF
T1_OUT
T2_OUT
R1_IN
RS-232
LEVELS
R2_IN
V_CC
TO POWER
CONTROL LOGIC
3