LTC2857CDD-1#TR

更新时间： 2024-02-17 03:36:27

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
20页	231K
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中文翻译

获取价格

数据手册

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LTC2857CDD-1#TR 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

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

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

high output state under conditions of ﬂoating or shorted

inputs.

■

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

■

Delayed Micropower Shutdown: 5μA Maximum

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.

(C, I-Grade)

■

Power Up/Down Glitch-Free Driver Outputs

■

Low Operating Current: 900μA Maximum in Receive

Mode

■

Compatible with TIA/EIA-485-A Speciﬁcations

Enhanced ESD protection allows these parts to withstand

15kV (human body model) on the transceiver interface

pins without latchup or damage.

■

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

and 8-Lead and 10-Lead MSOP Packages

PART

MAX DATA

APPLICATIONS

NUMHER

RATE (Mbps)

DUPLEX

Half

PACKAGE

■

Low Power RS485/RS422 Transceiver

LTC2856-1

LTC2856-2

LTC2857-1

LTC2857-2

LTC2858-1

LTC2858-2

0.25

MSOP-8, DFN-8

MSOP-10, DFN-10

■

Level Translator

Half

■

Backplane Transceiver

Full

0.25

Full

, LT, LTC and LTM 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

20ns/DIV

285678 TA01a

285678fe

12 3 4 5 6 7...20

中文翻译

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与LTC2857CDD-1#TR相关器件

型号	品牌	获取价格	描述	数据表
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
LTC2857CMS-2	Linear	获取价格	20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers
LTC2857CMS8-1	Linear	获取价格	20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers
LTC2857CMS8-1#PBF	Linear	获取价格	LTC2857 - 20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceiver; Package: MSOP; Pins:
LTC2857CMS8-2	Linear	获取价格	20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers
LTC2857CMS8-2#PBF	Linear	获取价格	LTC2857 - 20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceiver; Package: MSOP; Pins:

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