LTC2850IS8#TR

更新时间： 2024-11-09 13:01:43

品牌	Logo	应用领域
凌特 - Linear		驱动器接口集成电路光电二极管
页数	文件大小	规格书
16页	188K
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中文翻译

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数据手册

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LTC2850IS8#TR 数据手册

LTC2850/LTC2851/LTC2852

3.3V 20Mbps RS485/RS422

Transceivers

FEATURES

DESCRIPTION

The LTC^®2850, LTC2851, and LTC2852 are low power,

20Mbps RS485/RS422 transceivers operating on 3.3V

supplies.Thereceiverhasaone-eighthunitloadsupporting

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.

3.3V Supply Voltage

20Mbps Maximum Data Rate

No Damage or Latchup Up to ±±5ꢀV ꢁHM

ꢁigh Input Impedance Supports 256 Nodes

(C, I-Grade)

Operation Up to ±25°C (ꢁ-Grade)

Guaranteed Failsafe Receiver Operation Over the

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.

Entire Common Mode Range

Current Limited Drivers and Thermal Shutdown

Delayed Micropower Shutdown: 5μA Maximum

(C, I-Grade)

Power Up/Down Glitch-Free Driver Outputs

Enhanced ESD protection allows these parts to withstand

up to 15kV (human body model) on the transceiver

interface pins without latchup or damage.

Low Operating Current: 370μA Typical in Receive

Mode

Compatible with TIA/EIA-485-A Speciﬁcations

Available in 8-Pin and 10-Pin 3mm × 3mm DFN,

PART NUMHER

LTC2850

DUPLEX

Half

PACKAGE

8-Pin and 10-Pin MSOP, and 8-Pin and 14-Pin SO

Packages

SO-8, MSOP-8, DFN-8

SO-14, MSOP-10, DFN-10

LTC2851

Full

LTC2852

Full

APPLICATIONS

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

trademarks are the property of their respective owners.

Low Power RS485/RS422 Transceiver

Level Translator

Backplane Transceiver

TYPICAL APPLICATION

LTC2850 at 20Mbps Into 54Ω

LTC2850

RO1

CC1

RE1

DE1

DI1

GND1

2V/DIV

A-B

LTC2850

RO2

RE2

DE2

DI2

CC2

285012 TA01b

20ns/DIV

GND2

285012 TA01a

285012fc

12 3 4 5 6 7...16

中文翻译

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