SP3223EEA-L-TR Datasheet, PDF (1/21 Pages) Exar Corporation – Intelligent +3.0V to +5.5V RS-232 Transceivers

SP3223E/EB/EU
Intelligent +3.0V to +5.5V 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
EN 1
C1+ 2
20 _SHUTDOWN
19 Vcc
adheres to EIA/TIA-562 down to a +2.7V
V+ 3
18 GND
power source
• AUTO ON-LINE^® circuitry automatically
wakes up from a 1µA shutdown
• Minimum 250Kbps data rate under load
C1- 4
C2+ 5
C2- 6
SP3223E
17 T₁OUT
16 R₁IN
15 R₁OUT
(EB)
• 1 Mbps data rate for high speed RS-232
(EU)
• Regulated Charge Pump Yields Stable
V- 7
T₂OUT 8
R₂IN 9
14 ONLINE
13 _T1IN
12 T₂IN
RS-232 Outputs Regardless of V_CC
Variations
R₂OUT 10
11 STATUS
• ESD Specifications:
+15KV Human Body Model
+15KV IEC61000-4-2 Air Discharge
Now Available in Lead Free Packaging
+8KV IEC61000-4-2 Contact Discharge
DESCRIPTION
The SP3223 products are RS-232 transceiver solutions intended for portable applications
such as notebook and hand held computers. These products use an internal high-efficiency,
charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation. This charge
pump and Exar's driver architecture allow the SP3223 series to deliver compliant RS-232
performance from a single power supply ranging from +3.3V to +5.0V. The SP3223 is a 2-
driver/2-receiver device ideal for laptop/notebook computer and PDA applications.
The AUTO ON-LINE^® feature allows the device to automatically "wake-up" during a shut-
down state when an RS-232 cable is connected and a connected peripheral is turned on.
Otherwise, the device automatically shuts itself down drawing less than 1µA.
SELECTION TABLE
Device
Power
Supplies
RS- 232 RS-232 AUTO ON-LINE ® TTL Data Rate
Drivers Receivers
3-state (kbps)
SP3223E +3.0V to +5.5V
2
2
YES
YES
120
SP3223EB +3.0V to +5.5V
2
2
YES
YES
250
SP3223EU +3.0V to +5.5V
2
2
YES
YES
1000
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • [phone] • www.exar.com

SP3223E/EB/EU_101_062712