SP1490ECS-L

更新时间： 2024-11-11 13:13:51

品牌	Logo	应用领域
艾科嘉 - EXAR		/
页数	文件大小	规格书
8页	555K
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中文翻译

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数据手册

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SP1490ECS-L 数据手册

SP1490E/SP1491E

Full Duplex RS-485 Transceivers

fEaturES

■ +5V Only

■ Low Power BiCMOS

SP1490E

■ Driver/Receiver Enable (SP1491E)

■ RS-485 and RS-422 Drivers/Receivers

■ Pin Compatible with SN75179 (SP1490E)

■ Pin Compatible with SN75180 (SP1491E)

8 Pin nSOIC

8 Pin - nSOIC

GND

■ Improved ESD Speciﬁcations

±15kV Human Body Model

aPPLicationS

±15kV IEC1000-4-2 Air Discharge

■ Industial Networks ■ Telecom

■ Motor Control

±8kV IEC1000-4-2 Contact Discharge

■ HVAC/ Building Control

dEScriPtion

The SP1490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards

up to 20Mbps. The SP1491E is identical to the SP1490E with the addition of driver and receiver tri-

state enable lines. Both products feature ±200mV receiver input sensitivity, over wide common mode

range. The SP1490E is available in an 8-pin NSOIC packages for operation over the commercial and

industrial temperature ranges. The SP1491E is available in a 14-pin NSOIC packages for operation

over the commercial and industrial temperature ranges.

BLocK diaGraM

14 Vcc

13 NC

12 A

NC 1

Vcc 1

RO 2

8 A

RO 2

REB 3

DE 4

11 B

7 B

6 Z

DI 3

10 Z

5 Y

GND 4

DI 5

9 Y

GND 6

GND

8 NC

SP1490E

SP1491E

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

SP1490_SP1491E_100_061209

12 3 4 5 6 7 8

中文翻译

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