Datasheet > LTM2894

LTM2894

更新时间： 2024-10-03 14:58:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
18页	666K
描述
隔离型 USB 数据收发器

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中文翻译

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数据手册

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LTM2894 数据手册

LTM2894

Isolated USB Data

Transceiver

FEATURES

DESCRIPTION

TheLTM^®2894isacompletegalvanically-isolatedUSB2.0

compatible μModule^®(micromodule) transceiver.

Isolated USB Transceiver: 7500V

for 1 Minute

RMS

CSA (IEC/UL) Approved, File #255632

Reinforced Insulation

USB 2.0 Full Speed and Low Speed Compatible

Auto-Conﬁguration of Bus Speed

4.4V to 36V V

3.3V LDO Output Supply Signal References V and

The LTM2894 is ideal for isolation in host, hub, bus split-

ter or peripheral device applications. It is compatible with

USB 2.0 full speed (12Mbps) and low speed (1.5Mbps)

operation.Automaticspeedselectionconfiguresintegrated

pull-up resistors on the upstream port to match those

sensed on the downstream device.

and V

Operating Range

BUS

BUS2

LO2

50kV/μs Common Mode Transient Immunity

The isolator µModule technology uses coupled inductors

20kV ꢀBM ESD on USB Interface Pins

toprovide7500V

ofisolationand17.4mmofcreepage

1414V

Maximum Continuous Working Voltage

RMS

PEAK

between the upstream and downstream USB interface.

This device is ideal for systems requiring isolated ground

returnsorlargecommonmodevoltagevariations.Uninter-

rupted communication is guaranteed for common mode

transients greater than 50kV/μs.

17.4mm Creepage Distance

22mm × 6.25mm Surface Mount BGA

APPLICATIONS

Isolated USB Interfaces

Enhanced ESD protection allows this part to withstand

up to 20kV (human body model) on the USB transceiver

interface pins to local supplies and 20kV through the

isolation barrier to supplies without latchup or damage.

ꢀost, ꢀub, or Device Isolation

Industrial/Medical Data Acquisition

All registered trademarks and trademarks are the property of their respective owners.

TYPICAL APPLICATION

Isolated V2.0 Full Speed Hub Port

ꢋꢇ

ꢌꢍꢉ

Full Speed Data

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ꢏꢐꢏꢇ

ꢂ

ꢀꢁ

ꢇ

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ꢑꢒꢍ

ꢀꢁꢂꢃꢄꢅꢆꢃ

ꢇ

ꢈꢉꢀ

ꢈꢉ

ꢉꢎ

ꢉꢎꢀ

ꢆꢀꢅꢗꢘ

ꢔ

ꢓꢆ

ꢓꢀ

ꢛꢒꢑ

ꢗꢜ

ꢒꢍꢑ ꢖꢉRꢄ

ꢂ

ꢀꢁ

ꢀꢁꢂꢃꢄꢅꢆꢃ

ꢕ

ꢓꢆ

ꢓꢀ

ꢀꢁꢂꢃ ꢄAꢅꢆꢇ

ꢀꢁꢁꢂꢃꢄꢅꢆꢇ

ꢆꢋꢚ

ꢙꢎꢓ

ꢙꢎꢓꢀ

ꢀꢁꢂꢃ ꢄAꢅꢆ

Rev A

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中文翻译

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