LTC2861CGN#PBF

更新时间： 2024-09-21 13:09:51

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LTC2861CGN#PBF 数据手册

LTC2859/LTC2861

20Mbps RS485 Transceivers

with Integrated Switchable

Termination

FEATURES

DESCRIPTION

The LTC^®2859 and LTC2861 are low power, 20Mbps

RS485/422 transceivers operating on 5V supplies. The

receiver includes a logic-selectable 120Ω termination,

one-eighth unit load supporting up to 256 nodes per bus,

and a failsafe feature that guarantees a high output state

under conditions of ﬂoating or shorted inputs.

■

Integrated, Logic-Selectable 120Ω Termination

Resistor

■

20Mbps Max Data Rate

■

No Damage or Latchup to ESD: 1ꢀ5k ꢁHM

■

ꢁigh Input Impedance Supports 2ꢀ6 Nodes

■

250kbps Low-EMI Mode

■

Guaranteed Failsafe Receiver Operation Over the

The driver features a logic-selectable low-EMI 250kbps

operating mode, and maintains a high output impedance

over the entire common mode range when disabled or

when the supply is removed. Excessive power dissipation

causedbybuscontentionorafaultispreventedbycurrent

limiting all outputs and by a thermal shutdown.

Entire Common Mode Range

■

Current Limited Drivers and Thermal Shutdown

■

Delayed Micropower Shutdown ꢀ5μA Maxꢁ

■

Power Up/Down Glitch-Free Driver Outputs

■

Low Operating Current ꢀ900μA Max in Receive Modeꢁ

■

Meets All TIA/EIA-485-A Speciﬁcations

■

EnhancedESDprotectionallowstheLTC2859andLTC2861

towithstand 15kVꢀhumanbodymodelꢁonthetransceiver

interface pins without latchup or damage.

Available in 10-Pin 3mm × 3mm DFN, 12-Pin

4mm × 3mm DFN and 16-Pin SSOP Packages

APPLICATIONS

PRODUCT SELECTION GUIDE

■

Low Power RS485/RS422 Transceiver

■

Level Translator

PART NUMHER

LTC2859

DUPLEX

Half

PACKAGE

DFN-10

■

Backplane Transceiver

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

All other trademarks are the property of their respective owners.

LTC2861

Full

SSOP-16, DFN-12

TYPICAL APPLICATION

LTC2859

LTC28ꢀ9 at 20Mbps

120Ω

SLO

Y–Z

2859/61 TA01

LTC2859

120Ω

285961 TA02

2V/DIV

20ns/DIV

RO RE TE DE DI SLO

285961fb

12 3 4 5 6 7...16

中文翻译

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LTC2861CGN#PBF 替代型号

型号	品牌	替代类型	描述	数据表
LTC2861CGN#TRPBF	Linear	功能相似	LTC2861 - 20Mbps RS485 Transceivers with Integrated Switchable Termination; Package: SSOP;

与LTC2861CGN#PBF相关器件

型号	品牌	获取价格	描述	数据表
LTC2861CGN#TRPBF	Linear	获取价格	LTC2861 - 20Mbps RS485 Transceivers with Integrated Switchable Termination; Package: SSOP;
LTC2861CGN-PBF	Linear	获取价格	20Mbps RS485 Transceivers with Integrated Switchable Termination
LTC2861CGN-TR	Linear	获取价格	20Mbps RS485 Transceivers with Integrated Switchable Termination
LTC2861CGN-TRPBF	Linear	获取价格	20Mbps RS485 Transceivers with Integrated Switchable Termination
LTC2861IDE	Linear	获取价格	20Mbps RS485 Transceivers with Integrated Switchable Termination
LTC2861IDE#PBF	Linear	获取价格	LTC2861 - 20Mbps RS485 Transceivers with Integrated Switchable Termination; Package: DFN;
LTC2861IDE#TRPBF	Linear	获取价格	LTC2861 - 20Mbps RS485 Transceivers with Integrated Switchable Termination; Package: DFN;
LTC2861IDE-PBF	Linear	获取价格	20Mbps RS485 Transceivers with Integrated Switchable Termination
LTC2861IDE-TR	Linear	获取价格	20Mbps RS485 Transceivers with Integrated Switchable Termination
LTC2861IDE-TRPBF	Linear	获取价格	20Mbps RS485 Transceivers with Integrated Switchable Termination

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