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SP3235EEY-L, SP3238, SP3238AEEY

Table of contents:
Info of SP3235EEY-L
Info of SP3238
Info of SP3238AEEY

SP3235EEY-L, SP3238, SP3238AEEY Selling Leads, Datasheet

MFG:SIPEX Package Cooled:SSOP-28 D/C:SSOP-28

SP3235EEY-L, SP3238, SP3238AEEY Datasheet download

Five Points

Part Number: SP3235EEY-L

MFG: SIPEX

Package Cooled: SSOP-28

D/C: SSOP-28

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SP3238 General Description

The SP3238 device is an RS-232 transceiver solution intended for portable or hand-held applications such as notebook and palmtop computers. The SP3238 uses an internal high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation. This charge pump and Sipex's driver architecture allow the SP3238 device to deliver compliant RS-232 performance from a single power supply ranging from +3.0V to +5.0V. The SP3238 is a 5-driver/3-receiver device, ideal for laptop/notebook computer and PDA applications. The SP3238 includes one complementary receiver that remains alert to monitor an external device's Ring Indicate signal while the device is shutdown.

The AUTO ON-LINE® feature allows the device to automatically "wake-up" during a shutdown 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.

SP3238 Maximum Ratings

V_CC.....................................................-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
I_CC (DC V_CC or GND current).......................+100mA
Input Voltages
TxIN, ONLINE,
SHUTDOWN, .....................................-0.3V to +6.0V
RxIN.................................................................+25V
Output Voltages
TxOUT...........................................................+13.2V
RxOUT, STATUS.......................-0.3V to (V_CC + 0.3V)
Short-Circuit Duration
TxOUT.....................................................Continuous
Storage Temperature....................-65°C to +150°C
Power Dissipation per package
28-pin SSOP
(derate 11.2mW/oC above +70^oC)...............900mW
28-pin TSSOP
(derate 13.2mW/oC above +70^oC).............1100mW

SP3238 Features

Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply
Interoperable with EIA/TIA-232 and adheres to EIA/TIA-562 down to a +2.7V power source
AUTO ON-LINE^® circuitry automatically wakes up from a 1µA shutdown
Minimum 250Kbps data rate under load
Regulated Charge Pump Yields Stable RS-232 Outputs Regardless of V_CC Variations
ESD Specifications: +2kV Human Body Model

SP3238 Connection Diagram

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