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SP3232B

Sipex
Part Number SP3232B
Manufacturer Sipex
Description True +3.0V to +5.5V RS-232 Transceivers
Published Jun 7, 2005
Detailed Description ® SP3222B/3232B True +3.0V to +5.5V RS-232 Transceivers ■ Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V pow...
Datasheet PDF File SP3232B PDF File

SP3232B
SP3232B

Overview
® SP3222B/3232B True +3.
0V to +5.
5V RS-232 Transceivers ■ Meets true EIA/TIA-232-F Standards from a +3.
0V to +5.
5V power supply ■ 250kbps Transmission Rate Under Load ■ 1µA Low-Power Shutdown with Receivers Active (SP3222B) ■ Interoperable with RS-232 down to +2.
7V power source ■ ESD Specifications: ±2kV Human Body Model DESCRIPTION The SP3222B/3232B series is an RS-232 transceiver solution intended for portable or handheld applications such as notebook or palmtop computers.
The SP3222B/3232B series has a high-efficiency, charge-pump power supply that requires only 0.
1µF capacitors in 3.
3V operation.
This charge pump allows the SP3222B/3232B series to deliver true RS-232 performance from a single power supply ranging from +3.
0V to +5.
5V.
The ESD tolerance of the SP3222B/3232B devices are over ±15kV for both Human Body Model and IEC10004-2 Air discharge test methods.
The SP3222B 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 1µA.
SELECTION TABLE MODEL SP3222B SP3232B Power Supplies +3.
0V to +5.
5V +3.
0V to +5.
5V RS-232 Drivers 2 2 RS-232 Receivers 2 2 External Components 4 4 Shutdown Yes No TTL 3-State Yes No No.
of Pins 18, 20 16 Rev.
6/30/03 SP3222B/3232B True +3.
0 to +5.
5V RS-232 Transceivers © Copyright 2003 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) .
.
.
-0.
3V to +7.
0V V- (NOTE 1) .
.
.
.
+0.
3V to -7.
0V V+ + |V-| (NOTE 1) .
.
.
+13V...


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