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ISO7820 Datasheet Preview

ISO7820 Datasheet

Dual Channel Digital Isolator

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ISO7820, ISO7820F
SLLSEP0A – JULY 2015 – REVISED MARCH 2016
ISO7820x High-Performance, 8000 VPK Reinforced Dual Channel Digital Isolator
1 Features
1 Signaling Rate: Up to 100 Mbps
• Wide Supply Range: 2.25 V to 5.5 V
• 2.25 V to 5.5 V Level Translation
• Wide Temperature Range: –55°C to 125°C
• Low Power Consumption, Typical 1.7 mA per
Channel at 1 Mbps
• Low Propagation Delay: 11 ns Typical
(5 V Supplies)
• Industry leading CMTI(Min): ±100 kV/μs
• Robust Electromagnetic Compatibility (EMC)
• System-Level ESD, EFT, and Surge Immunity
• Low Emissions
• Isolation Barrier Life: > 25 Years
• SOIC-16 Wide Body (DW) and Extra-Wide Body
(DWW) Package Options
• Safety and Regulatory Approvals:
– 8000 VPK Reinforced Isolation per DIN V VDE
V 0884-10 (VDE V 0884-10):2006-12
– 5.7 kVRMS Isolation for 1 minute per UL 1577
– CSA Component Acceptance Notice 5A, IEC
60950-1 and IEC 60601-1 End Equipment
Standards
– CQC Certification per GB4943.1-2011
– TUV Certification per EN 61010-1 and EN
60950-1
– All DW Package Certifications Complete;
DWW Package Certifications Complete per
UL, TUV and Planned for VDE, CSA, and
CQC
3 Description
The ISO7820 is a high-performance, dual-channel
digital isolator with 8000 VPK isolation voltage. This
device has reinforced isolation certifications
according to VDE, CSA, CQC, and TUV. The isolator
provides high electromagnetic immunity and low
emissions at low power consumption, while isolating
CMOS or LVCMOS digital I/O’s. Each isolation
channel has a logic input and output buffer separated
by silicon dioxide (SiO2) insulation barrier. ISO7820
has two forward channels and no reverse-direction
channel. If the input power or signal is lost, default
output is 'high' for the ISO7820 and 'low' for the
ISO7820F device. Used in conjunction with isolated
power supplies, this device prevents noise currents
on a data bus or other circuits from entering the local
ground and interfering with or damaging sensitive
circuitry. Through innovative chip design and layout
techniques, electromagnetic compatibility of ISO7820
has been significantly enhanced to ease system-level
ESD, EFT, Surge and Emissions compliance.
ISO7820 is available in 16-pin SOIC wide-body (DW)
and extra-wide body (DWW) packages. The DWW
package option comes with enable pins which can be
used to put the respective outputs in high impedance
for multi-master driving applications and to reduce
power consumption.
Device Information(1)
PART NUMBER PACKAGE
BODY SIZE (NOM)
ISO7820,
ISO7820F
SOIC, DW (16) 10.30 mm x 7.50 mm
Extra wide SOIC,
DWW (16)
10.30 mm × 14.0 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
spacer
2 Applications
• Industrial Automation
• Motor Control
• Power Supplies
• Solar Inverters
• Medical Equipment
• Hybrid Electric Vehicles
Simplified Schematic
VCCI
Isolation
Capacitor
VCCO
INx OUTx
ENx (DWW package only)
GNDI
GNDO
(1) VCCI and GNDI are supply and ground
connections respectively for the input
channels.
(2) VCCO and GNDO are supply and ground
connections respectively for the output
channels.
1
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.




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ISO7820 Datasheet Preview

ISO7820 Datasheet

Dual Channel Digital Isolator

No Preview Available !

ISO7820, ISO7820F
SLLSEP0A – JULY 2015 – REVISED MARCH 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 4
6 Specifications......................................................... 5
6.1 Absolute Maximum Ratings ..................................... 5
6.2 ESD Ratings.............................................................. 5
6.3 Recommended Operating Conditions....................... 5
6.4 Thermal Information .................................................. 6
6.5 Power Dissipation Characteristics ............................ 6
6.6 Electrical Characteristics, 5 V ................................... 7
6.7 Electrical Characteristics, 3.3 V ................................ 7
6.8 Electrical Characteristics, 2.5 V ................................ 8
6.9 Switching Characteristics, 5 V .................................. 9
6.10 Switching Characteristics, 3.3 V ............................. 9
6.11 Switching Characteristics, 2.5 V ........................... 10
6.12 Typical Characteristics .......................................... 11
7 Parameter Measurement Information ................ 12
8 Detailed Description ............................................ 14
8.1 Overview ................................................................. 14
8.2 Functional Block Diagram ....................................... 14
8.3 Feature Description................................................. 15
8.4 Device Functional Modes........................................ 19
9 Applications and Implementation ...................... 21
9.1 Application Information............................................ 21
9.2 Typical Application .................................................. 21
10 Power Supply Recommendations ..................... 23
11 Layout................................................................... 24
11.1 PCB Material ......................................................... 24
11.2 Layout Guidelines ................................................. 24
11.3 Layout Example .................................................... 24
12 Device and Documentation Support ................. 25
12.1 Documentation Support ........................................ 25
12.2 Related Links ........................................................ 25
12.3 Community Resources.......................................... 25
12.4 Trademarks ........................................................... 25
12.5 Electrostatic Discharge Caution ............................ 25
12.6 Glossary ................................................................ 25
13 Mechanical, Packaging, and Orderable
Information ........................................................... 25
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (July 2015) to Revision A
Page
• Changed the Safety and Regulatory Approvals list of Features ........................................................................................... 1
• Changed Features From: 8000 VPK VIOTM and 2121 VPK VIORM Reinforced..To: 8000 VPK Reinforced.................................. 1
• Added Features "TUV Certification per EN 61010-1 and EN 60950-1" ................................................................................ 1
• Added package: Extra wide SOIC, DWW (16) to the Device Information table .................................................................... 1
• Changed text in the first paragraph of the Description From: "certifications according to VDE, CSA, and CQC". To:
"certifications according to VDE, CSA, CQC, and TUV." ...................................................................................................... 1
• Changed the Simplified Schematic ........................................................................................................................................ 1
• Added the DWW pinout image .............................................................................................................................................. 4
• Added the DWW package to the Thermal Information .......................................................................................................... 6
• Changed the Supply Current section of the Electrical Characteristics, 5 V to include the DWW package information ........ 7
• Deleted Note 1 From the Electrical Characteristics, 5 V ....................................................................................................... 7
• Changed the Supply Current section of the Electrical Characteristics, 3.3 V to include the DWW package
information ............................................................................................................................................................................. 7
• Deleted Note 1 From the Electrical Characteristics, 3.3 V .................................................................................................... 8
• Changed the Supply Current section of the Electrical Characteristics, 2.5 V to include the DWW package
information ............................................................................................................................................................................. 8
• Deleted Note 1 From the Electrical Characteristics, 2.5 V .................................................................................................... 9
• Added "Channel-to-channel output skew time" to Switching Characteristics, 5 V ................................................................. 9
• Added "Channel-to-channel output skew time" to Switching Characteristics, 3.3 V .............................................................. 9
• Added "Channel-to-channel output skew time" to Switching Characteristics, 2.5 V ............................................................ 10
• Added Note: "This coupler..." to the High Voltage Feature Description section ................................................................. 15
• Changed the Table 1, added DWW package information .................................................................................................... 15
• Added Note 1 to Table 2 ..................................................................................................................................................... 16
2 Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
Product Folder Links: ISO7820 ISO7820F


Part Number ISO7820
Description Dual Channel Digital Isolator
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