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LTC2847

更新时间： 2024-11-05 04:43:39

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
20页	239K
描述
Software-Selectable Multiprotocol Transceiver with Termination and 3.3V Digital Interface

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LTC2847 数据手册

LTC2847

Software-Selectable

Multiprotocol Transceiver with

Termination and 3.3V Digital Interface

FEATURES

DESCRIPTIO

The LTC^®2847 is a 3-driver/3-receiver multiprotocol trans-

ceiver with on-chip cable termination. When combined with

the LTC2845, this chip set forms a complete software-

selectable DTE or DCE interface port that supports the

RS232, RS449, EIA530, EIA530-A, V.35, V.36 and X.21

protocols. All necessary cable termination is provided inside

the LTC2847.

■

Software-Selectable Transceiver Supports:

RS232, RS449, EIA530, EIA530-A, V.35, V.36, X.21

Operates from Single 5V Supply

Separate Supply Pin for Digital Interface Works

down to 3V

On-Chip Cable Termination

■

Complete DTE or DCE Port with LTC2845

Available in 38-Pin 5mm × 7mm QFN Package

The V_CCsupplies the drivers, the receivers and an internal

charge pump that requires only five space-saving surface

mounted capacitors. The V_INsupply drives the digital inter-

face circuitry including the receiver output drivers. It can be

tied to V_CCor be powered off a lower supply (down to 3V) to

interface with low voltage ASICs. The LTC2847 is available in

a 0.8mm tall, 5mm × 7mm QFN package.

APPLICATIO S

■

Data Networking

■

CSU and DSU

■

Data Routers

, LTC and LT are registered trademarks of Linear Technology Corporation.

TYPICAL APPLICATIO

Complete DTE or DCE Multiprotocol Serial Interface with DB-25 Connector

TM LL

CTS

DSR

DCD

DTR

RTS

TXC

SCTE

TXD

RXD

RXC

LTC2847

LTC2845

23 20 19

12 15 11 24 14

DB-25 CONNECTOR

2847 TA01

*OPTIONAL

sn2847 2847fs

12 3 4 5 6 7...20

中文翻译

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