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SP3220U

Sipex
Part Number SP3220U
Manufacturer Sipex
Description High Speed +3.0V to +5.5V RS-232 Driver/Receiver Pair
Published Jun 7, 2005
Detailed Description ® SP3220B/U High Speed +3.0V to +5.5V RS-232 Driver/Receiver Pair ■ Meets True RS-232 Protocol Operation From A +3.0V ...
Datasheet PDF File SP3220U PDF File

SP3220U
SP3220U

Overview
® SP3220B/U High Speed +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 250 Kbps Data Rate (SP3220B) or 1Mbps Data Rate (SP3220U) under Fully Load ■ 1µA Low-Power Shutdown With Receivers Active ■ Interoperable With EIA/TIA - 232 and adheres to EIA/TIA - 562 Down to +2.
7V Power Source ■ Pin-Compatible With The MAX3221E Device Without The AUTO ON-LINE® Feature ■ ESD Specifications: +2kV Human Body Model DESCRIPTION The SP3220B/U device is an RS-232 driver/receiver solution intended for portable or hand-held applications such as notebook or palmtop computers.
The SP3220B/U device has a highefficiency, charge-pump power supply that requires only 0.
1µF capacitors in 3.
3V operation.
This charge pump allows the SP3220B/U device to deliver true RS-232 performance from a single power supply ranging from +3.
3V to +5.
0V.
The SP3220B/U 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 + SP3220B/U V- 7 C4 + 0.
1µF LOGIC INPUTS LOGIC OUTPUTS RS-232 OUTPUTS RS-232 INPUTS Rev.
7/8/03 SP3220B/U +3.
0 to +5.
0V RS-232 Transceivers © Copyright 2003 Sipex Corporation 1 SP 32 20 B/U 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).
-0.
3V to +7.
0V V- (NOTE 1).
.
.
...


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