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SP3220E

Sipex
Part Number SP3220E
Manufacturer Sipex
Description +3.0V to +5.5V RS-232 Driver/Receiver Pair
Published Jun 7, 2005
Detailed Description ® SP3220E +3.0V to +5.5V RS-232 Driver/Receiver Pair ■ Meets True RS-232 Protocol Operation From A +3.0V to +5.5V Powe...
Datasheet PDF File SP3220E PDF File

SP3220E
SP3220E


Overview
® SP3220E +3.
0V to +5.
5V RS-232 Driver/Receiver Pair ■ Meets True RS-232 Protocol Operation From A +3.
0V to +5.
5V Power Supply ■ Minimum 120 Kbps Data Rate Under Full Load ■ 1µA Low-Power Shutdown With Receivers Active ■ Interoperable With RS-232 Down To +2.
7V Power Source ■ Pin-Compatible With The MAX3221E Device Without The AUTO ON-LINE® Feature ■ Enhanced ESD Specifications: +15kV Human Body Model +15kV IEC1000-4-2 Air Discharge +8kV IEC1000-4-2 Contact Discharge DESCRIPTION The SP3220E device is an RS-232 driver/receiver solution intended for portable or hand-held applications such as notebook or palmtop computers.
The SP3220E device has a highefficiency, charge-pump power supply that requires only 0.
1µF capacitors in 3.
3V operation.
This charge pump allows the SP3220E device to deliver true RS-232 performance from a single power supply ranging from +3.
3V to +5.
0V.
The ESD tolerance of the SP3220E device is over +15kV for both Human Body Model and IEC1000-4-2 Air discharge test methods.
The SP3220E device has a low-power shutdown mode where the driver outputs and charge pumps are disabled.
During shutdown, the supply current falls to less than 1µA.
VCC + 15 VCC 2 C1+ 0.
1µF 4 C15 C2+ C2 + 0.
1µF 6 C211 T1IN 9 R1OUT 5kΩ 1 EN GND 14 *can be returned to either VCC or GND SHDN 16 T1OUT R1IN 13 8 V+ 3 *C3 + 0.
1µF C5 0.
1µF C1 + SP3220E V- 7 C4 + 0.
1µF LOGIC INPUTS LOGIC OUTPUTS RS-232 OUTPUTS RS-232 INPUTS 11/07/02 SP3220E True +3.
0 to +5.
0V RS-232 Transceivers © Copyright 2000 Sipex Corporation 1 ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied.
Exposure to absolute maximum rating conditions for extended periods of time may affect reliability and cause permanent damage to the device.
VCC.
-0.
3V to +6.
0V V+ (NOTE 1).
.
.
...


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