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ADM485JRZ1中文資料亞德諾數(shù)據(jù)手冊PDF規(guī)格書

ADM485JRZ1
廠商型號

ADM485JRZ1

功能描述

Meets EIA RS-485 standard

文件大小

607.33 Kbytes

頁面數(shù)量

16

生產(chǎn)廠商 Analog Devices
企業(yè)簡稱

AD亞德諾

中文名稱

亞德諾半導(dǎo)體技術(shù)有限公司官網(wǎng)

原廠標識
數(shù)據(jù)手冊

下載地址一下載地址二到原廠下載

更新時間

2024-12-25 17:09:00

ADM485JRZ1規(guī)格書詳情

GENERAL DESCRIPTION

The ADM485 is a differential line transceiver suitable for high speed bidirectional data communication on multipoint bus transmission lines. It is designed for balanced data transmission and complies with EIA standards RS-485 and RS-422. The part contains a differential line driver and a differential line receiver. Both the driver and the receiver can be enabled independently. When disabled, the outputs are three-stated.

The ADM485 operates from a single 5 V power supply. Excessive power dissipation caused by bus contention or by output shorting is prevented by a thermal shutdown circuit. If during fault conditions, a significant temperature increase is detected in the internal driver circuitry, this feature forces the driver output into a high impedance state.

Up to 32 transceivers can be connected simultaneously on a bus, but only one driver should be enabled at any time. It is important, therefore, that the remaining disabled drivers do not load the bus. To ensure this, the ADM485 driver features high output impedance when disabled and when powered down, which minimizes the loading effect when the transceiver is not being used. The high impedance driver output is maintained over the common-mode voltage range of ?7 V to +12 V.

The receiver contains a fail-safe feature that results in a logic high output state if the inputs are unconnected (floating). The ADM485 is fabricated on BiCMOS, an advanced mixed technology process combining low power CMOS with fast switching bipolar technology. All inputs and outputs contain protection against ESD; all driver outputs feature high source and sink current capability. An epitaxial layer is used to guard against latch-up.

The ADM485 features extremely fast switching speeds. Minimal driver propagation delays permit transmission at data rates up to 5 Mbps while low skew minimizes EMI interference. The part is fully specified over the commercial and industrial temperature range and is available in 8-lead PDIP, 8-lead SOIC, and small footprint, 8-lead MSOP packages.

FEATURES

Meets EIA RS-485 standard

5 Mbps data rate

Single 5 V supply

–7 V to +12 V bus common-mode range

High speed, low power BiCMOS

Thermal shutdown protection

Short-circuit protection

Driver propagation delay: 10 ns typical

Receiver propagation delay: 15 ns typical

High-Z outputs with power off

Superior upgrade for LTC485

APPLICATIONS

Low power RS-485 systems

DTE/DCE interface

Packet switching

Local area networks (LNAs)

Data concentration

Data multiplexers

Integrated services digital network (ISDN)

產(chǎn)品屬性

  • 型號:

    ADM485JRZ1

  • 制造商:

    AD

  • 制造商全稱:

    Analog Devices

  • 功能描述:

    Meets EIA RS-485 standard

供應(yīng)商 型號 品牌 批號 封裝 庫存 備注 價格
ADI/亞德諾
21+
原封裝
13880
公司只售原裝,支持實單
詢價
ADI
24+
SOP
5000
ADI一級代理商全新原裝進口現(xiàn)貨
詢價
ADI/亞德諾
22+
SOP8
25000
只有原裝絕對原裝,支持BOM配單!
詢價
ADI
21+
SOP
68891
原裝現(xiàn)貨假一賠十
詢價
AD
24+
SOP8
90000
一級代理商進口原裝現(xiàn)貨、價格合理
詢價
ADI
24+
原裝
6980
原裝現(xiàn)貨,可開13%稅票
詢價
ADI/亞德諾
1950+
SOP8
4856
只做原裝正品現(xiàn)貨!或訂貨假一賠十!
詢價
ADI/亞德諾
23+
SOP08
30000
一級代理原裝現(xiàn)貨,價格優(yōu)勢
詢價
ADI/亞德諾
22+
SOP8
20000
深圳原裝現(xiàn)貨正品有單價格可談
詢價
AD
23+
8-SOICN
73390
專業(yè)分銷產(chǎn)品!原裝正品!價格優(yōu)勢!
詢價