ST485XDR

更新时间： 2024-01-04 18:30:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
19页	546K
描述
Low power RS-485/RS-422 transceiver

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ST485XDR 数据手册

ST485

Low power

RS-485/RS-422 transceiver

General features

I Low quiescent current: 300mA

I Designed for RS-485 interface application

I -7V to 12V common mode input voltage range

I Driver maintains high impedance in 3-state or

with the power OFF

I 70mV tipycal input hysteresis

I 30ns propagation delay, 5ns skew

I Operate from a single 5V supply

DIP-8

SO-8

I Current limiting and thermal shutdown for

driver overload protection

I Allows up to 64 transceivers on the bus

Description

Driver is short-circuit current limited and is

protected against excessive power dissipation by

thermal shutdown circuitry that placed the driver

outputs into a high-impedance state.

The ST485 is al low power transceiver for RS-485

and RS-422 communication. Each part contains

one driver and one receiver.

The ST485 is designed for bi-directional data

communications on multipoint bus transmission

line (half-duplex applciations).

This transceiver draw 300mA (typ.) of supply

current when unloaded or fully loaded with

disabled drivers.

The ST485 is available in three temperature

range: commercial (0°C to 70°C), industrial (-

40°C to 850°C) and automotive (-55°C to 125°C)

It operates from a single 5V supply.

Order code

Part number

Temperature range

Package

Comments

ST485CN

ST485BN

ST485XN

ST485CD

ST485BD

ST485CDR

ST485BDR

ST485XDR

0 to 70 °C

-40 to 85 °C

-55 to 125 °C

0 to 70 °C

DIP-8

50parts per tube / 40tube per box

100parts per tube / 20tube per box

2500 parts per reel

DIP-8

SO-8 (Tube)

SO-8 (Tape & reel)

-40 to 85 °C

0 to 70 °C

-40 to 85 °C

-55 to 125 °C

2500 parts per reel

March 2006

Rev 12

1/19

www.st.com

12 3 4 5 6 7...19

中文翻译

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