SP3232EBCP データシートの表示（PDF） - Signal Processing Technologies

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SP3232EBCP

True +3.0V to +5.5V RS-232 Transceivers

Signal Processing Technologies 

®

SP3222EB/3232EB

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 (SP3222EB)

■ Interoperable with RS-232 down to +2.7V

power source

■ Enhanced ESD Specifications:

±15kV Human Body Model

±15kV IEC1000-4-2 Air Discharge

±8kV IEC1000-4-2 Contact Discharge

DESCRIPTION

The SP3222EB/3232EB series is an RS-232 transceiver solution intended for portable or

hand-held applications such as notebook or palmtop computers. The SP3222EB/3232EB

series has a high-efficiency, charge-pump power supply that requires only 0.1µF capacitors

in 3.3V operation. This charge pump allows the SP3222EB/3232EB series to deliver true RS-

232 performance from a single power supply ranging from +3.0V to +5.5V. The SP3222EB/

3232EB are 2-driver/2-receiver devices. This series is ideal for portable or hand-held

applications such as notebook or palmtop computers. The ESD tolerance of the SP3222EB/

3232EB devices are over ±15kV for both Human Body Model and IEC1000-4-2 Air discharge

test methods. The SP3222EB 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 Power Supplies

SP3222EB

SP3232EB

+3.0V to +5.5V

+3.0V to +5.5V

RS-232

Drivers

2

2

RS-232

External

Receivers Components

2

4

2

4

Shutdown

Yes

No

TTL No. of

3-State Pins

Yes 18, 20

No

16

Rev. A Date:12/11/03

SP3222EB/3232EB True +3.0 to +5.5V RS-232 Transceivers

1

© Copyright 2003 Sipex Corporation

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