Datasheet > 驱动程序和接口 > 线路驱动器或接收器> SP3222EUCY-LTR

SP3222EUCY-LTR

更新时间： 2024-11-02 12:47:03

品牌	Logo	应用领域
艾科嘉 - EXAR		驱动器
页数	文件大小	规格书
21页	985K
描述
3.0V to 5.5V RS-232 Driver/Receiver Pair

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中文翻译

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数据手册

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SP3222EUCY-LTR 数据手册

SP3220E/EB/EU

+3.0V to +5.5V RS-232 Driver/Receiver Pair

FEATURES

■ Meets all EIA/TIA-232-F Standards

from a +3.0V to +5.5V power supply

• Interoperable with RS-232 and V.28 at +2.7V

■ Supports High Serial Data Rates:

• 120kbps SP3220E

• 250kbps SP3220EB

• 1Mbps SP3220EU

■ 1µA Low Power Shutdown Mode

■ Footprint Compatible with MAX3221E, ISL3221

■ 4 x 1.0µF External Charge Pump Capacitors

■ Improved ESD Speciﬁcations:

+15kV Human Body Model

SHDN

C1+

V+

GND

C1-

SP3220

T1OUT

E/EB/EU

C2+

C2-

V-

No Connect

T1IN

No Connect

R1OUT

+15kV IEC61000-4-2 Air Discharge

+8kV IEC61000-4-2 Contact Discharge

R1IN

Now Available in Lead Free Packaging

DESCRIPTION

The SP3220E devices are RS-232 driver/receiver solutions intended for portable or hand-

held applications such as palmtop computers, intrumentation and consumer products. These

devices incorporate a high-efﬁciency, charge-pump power supply that allows the SP3220E

devices to deliver true RS-232 performance from a single power supply ranging from +3.0V

to +5.0V. This charge pump requires only 0.1µF capacitors in 3.3V operation. The ESD toler-

ance of the these devices are over +/-15kV for both Human Body Model and IEC61000-4-2

Air discharge test methods. All devices have a low-power shutdown mode where the 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 Data Rate

Supplies

Drivers Receivers Components

SP3220E

+3.0V to +5.5V

4 Capacitors

Yes

120kbps

250kbps

1Mbps

SP3220EB +3.0V to +5.5V

SP3220EU +3.0V to +5.5V

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

SP3220E_EB_EU_101_060311

12 3 4 5 6 7...21

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