ADUM1401BRWZRL Analog Devices, ADUM1401BRWZRL Datasheet

ADUM1401BRWZRL

Manufacturer Part Number

ADUM1401BRWZRL

Description

SOP

Manufacturer

Analog Devices

Datasheet

1.ADUM1400ARW.pdf (24 pages)

Specifications of ADUM1401BRWZRL

Date_code

08+

Current page: 1 of 24
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FEATURES

Low power operation

Bidirectional communication

3 V/5 V level translation

High temperature operation: 105°C

High data rate: dc to 90 Mbps (NRZ)

Precise timing characteristics

High common-mode transient immunity: >25 kV/μs

Output enable function

16-lead SOIC wide body package, Pb-free models available

Safety and regulatory approvals

APPLICATIONS

General-purpose multichannel isolation

SPI® interface/data converter isolation

RS-232/RS-422/RS-485 transceiver

Industrial field bus isolation

GND

Figure 1. ADuM1400 Functional Block Diagram

Rev. D

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

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

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5 V operation

3 V operation

2 ns max pulse width distortion

2 ns max channel-to-channel matching

UL recognition: 2500 V rms for 1 minute per UL 1577

CSA component acceptance notice #5A

VDE certificate of conformity

TÜV approval: IEC/EN/UL/CSA 61010-1

1.0 mA per channel max @ 0 Mbps to 2 Mbps

3.5 mA per channel max @ 10 Mbps

31 mA per channel max @ 90 Mbps

0.7 mA per channel max @ 0 Mbps to 2 Mbps

2.1 mA per channel max @ 10 Mbps

20 mA per channel max @ 90 Mbps

DIN EN 60747-5-2 (VDE 0884 Part 2): 2003-01

DIN EN 60950 (VDE 0805): 2001-12; EN 60950: 2000

IORM

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= 560 V peak

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FUNCTIONAL BLOCK DIAGRAMS

GND

Figure 2. ADuM1401 Functional Block Diagram

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ADuM1400/ADuM1401/ADuM1402

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Quad-Channel Digital Isolators

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

GENERAL DESCRIPTION

The ADuM140x

Analog Devices’ iCoupler® technology. Combining high speed

CMOS and monolithic air core transformer technology, these

isolation components provide outstanding performance

characteristics superior to alternatives such as optocoupler

devices.

By avoiding the use of LEDs and photodiodes, iCoupler devices

remove the design difficulties commonly associated with

optocouplers. The typical optocoupler concerns regarding

uncertain current transfer ratios, nonlinear transfer functions,

and temperature and lifetime effects are eliminated with the

simple iCoupler digital interfaces and stable performance

characteristics. The need for external drivers and other discrete

components is eliminated with these iCoupler products.

Furthermore, iCoupler devices consume one-tenth to one-sixth

the power of optocouplers at comparable signal data rates.

The ADuM140x isolators provide four independent isolation

channels in a variety of channel configurations and data rates

(see the Ordering Guide). All models operate with the supply

voltage on either side ranging from 2.7 V to 5.5 V, providing

compatibility with lower voltage systems as well as enabling a

voltage translation functionality across the isolation barrier. In

addition, the ADuM140x provides low pulse width distortion

(<2 ns for CRW grade) and tight channel-to-channel matching

(<2 ns for CRW grade). Unlike other optocoupler alternatives,

the ADuM140x isolators have a patented refresh feature that

ensures dc correctness in the absence of input logic transitions

and during power-up/power-down conditions.

Protected by U.S. Patents 5,952,849 and 6,873,065. Other patents pending.

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are 4-channel digital isolators based on

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Figure 3. ADuM1402 Functional Block Diagram

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www.analog.com

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