ISL4270E Datasheet, PDF (3/13 Pages) Intersil Corporation – QFN Packaged, ±15kV ESD Protected, +3V to +5.5V, 300nA, 250kbps, RS-232 Transceivers with Enhanced Automatic Powerdown and a Separate Logic Supply

Typical Operating Circuit
ISL4270E
+3.3V
C₁
0.1μF
C₂
0.1μF
+
0.1μF
29
+ ^C1+
31 _C1-
+ ^{2 C2+}
3 _C2-
5
T1_IN
6
T2_IN
10
T3_IN
27
V_CC
T₁
T₂
T₃
V+
30
+
C₃
0.1μF
V- ⁴
23
C₄
+0.1^μF
T1_OUT
22
T2_OUT ^RS-232
LEVELS
21
T3_OUT
TTL/CMOS
LOGIC LEVELS
14
R1_OUT
13
R2_OUT
12
R3_OUT
R₁
20
R1_IN
5kΩ
R₂
19
R2_IN
RS-232
5kΩ
LEVELS
R₃
18
R3_IN
5kΩ
LOGIC V_CC
+
0.1μF
15 VL
11
FORCEON
V_CC
TO POWER
CONTROL LOGIC
28
FORCEOFF
7
INVALID ^GND
26
3
FN6041.2
June 16, 2010