Datasheet > SP3222EEA-L-TR

SP3222EEA-L-TR

更新时间： 2024-11-03 00:48:03

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
24页	1305K
描述
True 3.0V to 5.5V RS-232 Transceivers

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中文翻译

获取价格

数据手册

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SP3222EEA-L-TR 数据手册

SP3222E/SP3232E

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

FEATURES

■ Meets true EIA/TIA-232-F Standards

from a +3.0V to +5.5V power supply

■ Minimum 120kbps Data Rate Under Full

Load

■ 1µA Low Power Shutdown with

Receivers active (SP3222E)

■ Interoperable with RS-232 down to a

+2.7V power source

■ Enhanced ESD Speciﬁcations:

+15kV Human Body Model

SHDN

C1+

V+

GND

C1-

T1OUT

R1IN

SP3222E

C2+

C2-

V-

R1OUT

T1IN

+15kV IEC61000-4-2 Air Discharge

+8kV IEC61000-4-2 Contact Discharge

T2OUT

R2IN

T2IN

R2OUT

nSOIC

Now Available in Lead Free Packaging

Note: See page 6 for other pinouts

DESCRIPTION

The SP3222E/SP3232E series is an RS-232 transceiver solution intended for portable or

hand-held applications such as notebook or palmtop computers. The SP3222E/SP3232E

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

tors in 3.3V operation. This charge pump allows the SP3222E/SP3232E series to deliver

true RS-232 performance from a single power supply ranging from +3.0V to +5.5V. The

SP3222E/SP3232E 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

SP3222E/SP3232Edevicesareover+/-15kVforbothHumanBodyModelandIEC61000-4-2

Air discharge test methods. The SP3222E 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

RS-232

External

Shutdown

TTL

# of

Supplies

Drivers Receivers Components

3-State

Pins

SP3222E +3.0V to +5.5V

SP3232E +3.0V to +5.5V

4 Capacitors

Yes

18, 20

Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

SP3222E/SP3232E_101_031413

12 3 4 5 6 7...24

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