Datasheet > LTC2857-1_15

LTC2857-1_15

更新时间： 2024-09-22 01:03:03

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
20页	332K
描述
20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers

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中文翻译

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数据手册

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LTC2857-1_15 数据手册

LTC2856-1/LTC2856-2

LTC2857-1/LTC2857-2

LTC2858-1/LTC2858-2

20Mbps and Slew Rate

Limited 15kV RS485/RS422

Transceivers

FeaTures

DescripTion

The LTC^®2856-1, LTC2856-2, LTC2857-1, LTC2857-2,

LTC2858-1 and LTC2858-2 are low power, RS485/RS422

transceivers operating on 5V supplies at maximum data

rates of 20Mbps or 250kbps for low EMI. The receiver has

aone-eighthunitload,supportingupto256nodesperbus

(C, I-Grade), and a failsafe feature that guarantees a high

outputstateunderconditionsoffloatingorshortedinputs.

20Mbps or Low EMI 250kbps Maximum Data Rate

No Damage or Latchup to ESD: ±±5kꢀ ꢁHM

ꢁigh Input Impedance Supports 256 Nodes

(C, I-Grade)

Operation Up to ±25°C (ꢁ-Grade)

Guaranteed Failsafe Receiver Operation Over the

Entire Common Mode Range

Current Limited Drivers and Thermal Shutdown

The driver maintains a high output impedance over the

entire common mode range when disabled or when the

supplyisremoved.Excessivepowerdissipationcausedby

bus contention or a fault is prevented by current limiting

all outputs and by thermal shutdown.

Delayed Micropower Shutdown: 5µA Maximum

(C, I-Grade)

Power Up/Down Glitch-Free Driver Outputs

Low Operating Current: 900µA Maximum in Receive

Mode

Enhanced ESD protection allows these parts to withstand

15kV (human body model) on the transceiver interface

pins without latchup or damage.

Compatible with TIA/EIA-485-A Specifications

Available in 8-Lead and 10-Lead 3mm × 3mm DFN

and 8-Lead and 10-Lead MSOP Packages

PART

MAX DATA

NUMBER

RATE (Mbps)

DUPLEX

Half

PACKAGE

applicaTions

LTC2856-1

LTC2856-2

LTC2857-1

LTC2857-2

LTC2858-1

LTC2858-2

0.25

MSOP-8, DFN-8

MSOP-10, DFN-10

Low Power RS485/RS422 Transceiver

Half

Level Translator

Full

Backplane Transceiver

0.25

Full

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

Full

0.25

Full

Typical applicaTion

LTC2858-± at 20Mbps

LTC2856-1

RO1

CC1

RE1

DE1

DI1

GND1

LTC2856-1

Y-Z

RO2

RE2

DE2

DI2

CC2

GND2

2856 TA01b

285678 TA01a

20ns/DIV

285678ff

For more information www.linear.com/LTC2856-1

12 3 4 5 6 7...20

中文翻译

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与LTC2857-1_15相关器件

型号	品牌	获取价格	描述	数据表
LTC2857-2	Linear	获取价格	20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers
LTC2857-2_15	Linear	获取价格	20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers
LTC2857CDD-1	Linear	获取价格	20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers
LTC2857CDD-1#PBF	Linear	获取价格	LTC2857 - 20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceiver; Package: DFN; Pins: 8
LTC2857CDD-1#TR	Linear	获取价格	暂无描述
LTC2857CDD-1#TRPBF	Linear	获取价格	LTC2857 - 20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceiver; Package: DFN; Pins: 8
LTC2857CDD-2	Linear	获取价格	20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers
LTC2857CDD-2#PBF	Linear	获取价格	LTC2857 - 20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceiver; Package: DFN; Pins: 8
LTC2857CDD-2#TR	Linear	获取价格	暂无描述
LTC2857CMS-1	Linear	获取价格	20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers

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