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ISO7341FC Datasheet Preview

ISO7341FC Datasheet

Quad-Channel Digital Isolators

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ISO7340C, ISO7340FC, ISO7341C, ISO7341FC, ISO7342C, ISO7342FC

SLLSEI6G – SEPTEMBER 2014 – REVISED JANUARY 2017

ISO734x Robust EMC, Low-Power, Quad-Channel Digital Isolators

1 Features

•1 Signaling Rate: 25 Mbps

• Integrated Noise Filter on the Inputs

• Default Output High and Low Options

• Low Power Consumption, Typical ICC per Channel

at 1 Mbps:

– ISO7340x: 0.9 mA (5-V Supplies),

0.7 mA (3.3-V Supplies)

– ISO7341x: 1.2 mA (5-V Supplies),

0.9 mA (3.3-V Supplies)

– ISO7342x: 1.3 mA (5-V Supplies),

0.9 mA (3.3-V Supplies)

• Low Propagation Delay: 31 ns

Typical (5-V Supplies)

• 3.3-V and 5-V Level Translation

• Wide Temperature Range: –40°C to 125°C

• 70-KV/μs Transient Immunity,

Typical (5-V Supplies)

• Robust Electromagnetic Compatibility (EMC)

– System-level ESD, EFT, and Surge Immunity

– Low Emissions

• Operates from 3.3-V and 5-V Supplies

• Wide-Body SOIC-16 Package

• Safety-Related Certifications:

– 4242-VPK Basic Isolation per DIN V VDE V

0884-10 and DIN EN 61010-1

– 3-KVRMS Isolation for 1 minute per UL 1577

– CSA Component Acceptance Notice 5A, IEC

60950-1 and IEC 61010-1 End Equipment

Standards

– GB4943.1-2011 CQC Certified

2 Applications

• Optocoupler Replacement in:

– Industrial Fieldbus

– Profibus

– Modbus

– DeviceNet Data Buses

– Servo Control Interface

– Motor Control

– Power Supplies

– Battery Packs

3 Description

The ISO734x family of devices provides galvanic

isolation up to 3000 VRMS for 1 minute per UL 1577

and 4242 VPK per VDE V 0884-10. These devices

have four isolated channels comprised of logic input

and output buffers separated by a silicon dioxide

(SiO2) insulation barrier.

The ISO7340x device has four channels in forward

direction, the ISO7341x device has three forward and

one reverse-direction channels, and the ISO7342x

device has two forward and two reverse-direction

channels. In case of input power or signal loss, the

default output is low for devices with suffix F and high

for devices without suffix F. See the Device

Functional Modes section for further details.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE

ISO7340C

ISO7340FC

ISO7341C

ISO7341FC

SOIC (16)

10.30 mm × 7.50 mm

ISO7342C

ISO7342FC

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

Simplified Schematic

VCCI

Isolation

Capacitor

VCCO

INx OUTx

ENx

GNDI

GNDO

VCCI and GNDI are supply and ground

connections respectively for the input

channels.

VCCO and GNDO are supply and ground

connections respectively for the output.

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

etcTI

ISO7341FC Datasheet Preview

ISO7341FC Datasheet

Quad-Channel Digital Isolators

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ISO7340C, ISO7340FC, ISO7341C, ISO7341FC, ISO7342C, ISO7342FC

SLLSEI6G – SEPTEMBER 2014 – REVISED JANUARY 2017

www.ti.com

Table of Contents

1 Features .................................................................. 1

2 Applications ........................................................... 1

3 Description ............................................................. 1

4 Revision History..................................................... 2

5 Description (continued)......................................... 5

6 Pin Configuration and Functions ......................... 6

7 Specifications......................................................... 7

7.1 Absolute Maximum Ratings ...................................... 7

7.2 ESD Ratings.............................................................. 7

7.3 Recommended Operating Conditions....................... 7

7.4 Thermal Information .................................................. 8

7.5 Power Ratings........................................................... 8

7.6 Insulation Specifications............................................ 9

7.7 Safety-Related Certifications................................... 10

7.8 Safety Limiting Values ............................................ 10

7.9 Electrical Characteristics—5-V Supply ................... 11

7.10 Supply Current Characteristics—5-V Supply ........ 11

7.11 Electrical Characteristics—3.3-V Supply .............. 12

7.12 Supply Current Characteristics—3.3-V Supply ..... 12

7.13 Switching Characteristics—5-V Supply................. 13

7.14 Switching Characteristics—3.3-V Supply.............. 13

7.15 Insulation Characteristics Curves ......................... 14

7.16 Typical Characteristics .......................................... 15

8 Parameter Measurement Information ................ 17

9 Detailed Description ............................................ 19

9.1 Overview ................................................................. 19

9.2 Functional Block Diagram ....................................... 19

9.3 Feature Description................................................. 20

9.4 Device Functional Modes........................................ 21

10 Application and Implementation........................ 22

10.1 Application Information.......................................... 22

10.2 Typical Application ................................................ 22

11 Power Supply Recommendations ..................... 26

12 Layout................................................................... 27

12.1 Layout Guidelines ................................................. 27

12.2 Layout Example .................................................... 27

13 Device and Documentation Support ................. 28

13.1 Documentation Support ........................................ 28

13.2 Related Links ........................................................ 28

13.3 Receiving Notification of Documentation Updates 28

13.4 Community Resource............................................ 28

13.5 Trademarks ........................................................... 28

13.6 Electrostatic Discharge Caution ............................ 28

13.7 Glossary ................................................................ 28

14 Mechanical, Packaging, and Orderable

Information ........................................................... 29

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision F (August 2016) to Revision G

Page

• Deleted Reinforced from the data sheet title .......................................................................................................................... 1

• the production tested note for the UL VRMS value from the Safety-Related Certifications ................................................... 10

Changes from Revision E (April 2015) to Revision F

Page

• Changed the minimum air gap (clearance) parameter (L(I01)) to the external clearance parameter.................................... 9

• Changed the minimum external tracking (creepage) parameter (L(I02)) to the external creepage parameter...................... 9

• Changed the typ value for the enable propagation delay, high impedance-to-high output parameter of the FC

devices and the typ value for the enable propagation delay, high impedance-to-low output parameter of the C

devices from 16 to 16000 in the Switching Characteristics—3.3-V Supply table ................................................................ 13

• Added the Receiving Notification of Documentation Updates section ................................................................................ 28

Changes from Revision D (March 2015) to Revision E

Page

• Deleted "(VDE V0884-10):2006-12" and "(VDE 0411-1:2011-07)" from the Features Safety and Regulatory Approvals:.... 1

• Deleted "(Approval Pending)" From the CSA Component Acceptance list item in the Features........................................... 1

• Deleted IEC from the section title: Insulation and Safety-Related Specifications for DW-16 Package ................................ 9

• Changed the TEST Conditions of CTI in Insulation and Safety-Related Specifications for DW-16 Package........................ 9

• Changed the Test Conditions of VISO in Insulation Characteristics ....................................................................................... 9

• Changed column CSA in the Safety-Related Certifications table ....................................................................................... 10

• Changed From: VCC1 To: VCCI in Switching Characteristics Test Circuit and Voltage Waveforms ..................................... 17

• Changed From: VCC1 To: VCCI and From: VCC2 To: VCCO in Common-Mode Transient Immunity Test Circuit ..................... 18

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