SP3222EU/3232EU
®
3.3V, 1000 Kbps RS-232 Transceivers
FEATURES
■ Meets true EIA/TIA-232-F Standards
from a +3.0V to +5.5V power supply
■ Interoperable with EIA/TIA - 232 and
adheres to EIA/TIA - 562 down to a +2.7V
power source
■ 1µA Low-Power Shutdown with Receivers
Active (SP3222EU)
■ Enhanced ESD Specifications:
±15kV Human Body Model
±15kV IEC1000-4-2 Air Discharge
±8kV IEC1000-4-2 Contact Discharge
■ 1000 kbps Minimum Transmission Rate
■ Ideal for Handheld, Battery Operated
Applications
EN
18 SHDN
1
C1+ 2
17 VCC
V+
3
16 GND
C1-
4
15
C2+
5
SP3222EU 14
C2-
6
13 R1OUT
V-
7
12 T1IN
T1OUT
R1IN
T2OUT
8
11 T2IN
R2IN
9
10
R2OUT
DIP/SO
Now Available in Lead Free Packaging
DESCRIPTION
The SP3222EU and the SP3232EU are 2 driver, 2 receiver RS-232 transceiver solutions
intended for portable or hand-held applications such as notebook or palmtop computers.
Their data transmission rate of 1000 kbps meets the demands of high speed RS-232
applications. Both ICs have a high-efficiency, charge-pump power supply that requires only
0.1µF capacitors in 3.3V operation. This charge pump allows the SP3222EU and the 3232EU
to deliver true RS-232 performance from a single power supply ranging from +3.0V to +5.5V.
The ESD tolerance of the SP3222EU/3232EU devices are over ±15kV for both Human Body
Model and IEC1000-4-2 Air discharge test methods.
The SP3222EU device has a low-power shutdown mode where the devices' driver outputs
and charge pumps are disabled. During shutdown, the supply current falls to less than 1uA.
SELECTION TABLE
MODEL
Power Supplies
RS-232
Drivers
RS-232
Receivers
External
Components
Shutdown
TTL
3-State
No . o f
Pins
SP3222EU
+3.0V to +5.5V
2
2
4
Yes
Ye s
18, 20
SP3232EU
+3.0V to +5.5V
2
2
4
No
No
16
Date: 02/31/06
SP3222EU, SP3232EU 3.3V, 1000Kbps RS-232 Transceivers
1
© Copyright 2006 Sipex Corporation
