ICL3310 Datasheet, PDF (2/9 Pages) Intersil Corporation – +3V to +5.5V, 1 Microamp, 250kbps, RS-232 Transmitter/Receiver

ICL3310
Pin Descriptions
PIN
FUNCTION
V_CC
V+
System power supply input (3.0V to 5.5V).
Internally generated positive transmitter supply (+5.5V).
V-
Internally generated negative transmitter supply (-5.5V).
GND Ground connection.
C1+
External capacitor (voltage doubler) is connected to this lead.
C1-
External capacitor (voltage doubler) is connected to this lead.
C2+
External capacitor (voltage inverter) is connected to this lead.
C2-
External capacitor (voltage inverter) is connected to this lead.
T_IN
T_OUT
R_IN
R_OUT
SHDN
TTL/CMOS compatible transmitter Inputs.
RS-232 level (nominally ±5.5V) transmitter outputs.
RS-232 compatible receiver inputs.
TTL/CMOS level receiver outputs.
Active low input to shut down transmitters, receivers, and on-board power supply, to place device in low power mode.
Typical Operating Circuits
ICL3310
+3.3V to +5V ₊
0.1µF
C₁
2
+
C1+
0.1µF
4
C1-
C₂
0.1µF
5
+
6
C2+
C2-
12
T1_IN
TTL/CMOS
LOGIC LEVELS
11
T2_IN
13
R1_OUT
10
R2_OUT
C₃ (OPTIONAL CONNECTION, NOTE)
17
V_CC
V+
3 _{+ C3}
0.1µF
T₁
T₂
R₁
R₂
V-
7 _C4
+ ^0.1µF
15
T1_OUT
8
T2_OUT
14
5kΩ
9
5kΩ
R1_IN
R2_IN
RS-232
LEVELS
GND
16
18
SHDN
V_CC
NOTE: The negative terminal of C₃ can be connected to either V_CC or GND.
2