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TEST
SP232ACT
SP232ACT
Enhanced RS-232 Line Drivers/Receivers
DESCRIPTION
The Sipex SP231A, SP232A and SP233A are enhanced versions of the Sipex SP231, SP232 and
SP233 RS-232 line drivers/receivers.
They are pin-for-pin replacements for these earlier versions and will operate in their sockets.
Performance enhancements include 10V/us slew rate,
120k bits per second guaranteed transmission rate,
and increased drive current for longer and more flexible cable configurations.
Ease of use enhancements include smaller, 0.1uF charge pump capacitors, enhanced ESD protection,
low power dissipation and overall ruggedized construction for commercial environments.
The series is available in plastic and ceramic DIP and SOIC packages operating over the commercial,
industrial and military temperature ranges.
FEATURE
The Sipex SP231A, SP232A and SP233A are enhanced versions of the Sipex SP231, SP232 and
SP233 RS-232 line drivers/receivers. They are pin for-pin replacements for these earlier versions,
will operate in their sockets with capacitors ranging from 0.1 to 100µF,either polarized ornon–polarized,
and feature several improvements in both performance and ease of use. Performance enhancements include
10V/µs slew rate, 120k bits per second guaranteed transmission rate, and increased drive current for
longer and more flexible cable configurations. Ease of use enhancements include smaller,
0.1µFchargepump capacitors, enhanced ESD protection, low power dissipation and overall ruggedized
construction for commercial environments.
The SP232A, SP233A, SP310A and SP312A include charge pump voltage converters which allow them to
operate from a single +5V supply. These converters convert the +5V input power to the
generate the RS-232 output levels. Both meet all EIA RS-232D and CCITT V.28 specifications.
The SP231A has provisions for external V+ supplies. With this power supplied externally,
the current drain due to charge pump operation is considerably reduced, typically to 400µA.
The SP310A provides identical features as the SP232A. The SP310A has a single control line which
simultaneously shuts down the internal DC/DC converter and puts all transmitter and receiver
outputs into a high impedance state. The SP312A is identical to the SP310A with separate tri-state
and shutdown control lines.
The SP231A is available in 14-pin plastic DIP , CERDIPand 16-pin SOICpackages for
operation over commercial, industrial and military temperature ranges.
The SP232A is available in 16-pin plastic DIP ,SOIC and CERDIP packages, operating over the commercial,
industrial and military temperature ranges. The SP233A is available in a 20-pin plastic DIP and
20–pin SOIC package for operation over the commercial and industrial temperature ranges.
The SP310A and SP312A are available in 18-pin plastic, CERDIP and SOIC packages for operation
over the commercial and industrial temperature ranges. Please consult the factory for DIP and
surface-mount packaged parts supplied on tape-on-reel, as well as parts screened to MIL-M-38510.
10V needed to
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PIN ASSIGNMENT
S
P
2
3
2
A
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