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ISO6741 Datenblatt(PDF) 1 Page - Texas Instruments

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Teilenummer ISO6741
Bauteilbeschribung  ISO674x General-Purpose Quad-Channel Digital Isolators with Robust EMC
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Hersteller  TI [Texas Instruments]
Direct Link  http://www.ti.com
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ISO674x General-Purpose Quad-Channel Digital Isolators with Robust EMC
1 Features
• 50 Mbps data rate
• Robust isolation barrier:
– High lifetime at 1060 VRMS working voltage
– Up to 5000 VRMS isolation rating
– Up to 10 kV surge capability
– ±75 kV/μs typical CMTI
• Wide supply range: 1.71 V to 1.89 V and 2.25 V to
5.5 V
• 1.71 V to 5.5 V level translation
• Default output high (ISO674x) and low (ISO674xF)
options
• Wide temperature range: –40°C to 125°C
• 1.6 mA per channel typical at 1 Mbps
• Low propagation delay: 11 ns typical
• Robust electromagnetic compatibility (EMC)
– System-level ESD, EFT, and surge immunity
– ±8 kV IEC 61000-4-2 contact discharge
protection across isolation barrier
– Low emissions
• Wide-SOIC (DW-16) Package
• Safety-Related Certifications (pending):
– DIN V VDE 0884-11:2017-01
– UL 1577 component recognition program
– IEC 60950-1, IEC 62368-1, IEC 61010-1,
IEC60601-1 and GB 4943.1-2011 certifications
2 Applications
• Power supplies
• Grid, Electricity meter
• Motor drives
• Factory automation
• Building automation
• Lighting
• Appliances
3 Description
The ISO674x devices are high-performance, quad-
channel digital isolators ideal for cost-sensitive
applications requiring up to 5000 VRMS isolation
ratings per UL 1577. These devices are also certified
by VDE, TUV, CSA, and CQC.
The ISO674x devices provide high electromagnetic
immunity and low emissions at low power
consumption, while isolating CMOS or LVCMOS
digital I/Os. Each isolation channel has a logic input
and output buffer separated by TI's double capacitive
silicon dioxide (SiO2) insulation barrier. These devices
come with enable pins which can be used to put the
respective outputs in high impedance for multi-master
driving applications. ISO6741 device has three
forward and one reverse-direction channels. In the
event of input power or signal loss, the default output
is high for devices without suffix F and low for devices
with suffix F. See Device Functional Modes section for
further details.
Used in conjunction with isolated power supplies,
these devices help prevent noise currents on data
buses, such as UART, SPI, RS-485, RS-232, and
CAN from damaging sensitive circuitry. Through
innovative chip design and layout techniques, the
electromagnetic compatibility of the ISO674x devices
has been significantly enhanced to ease system-level
ESD, EFT, surge, and emissions compliance. The
ISO674x family of devices is available in a 16-pin
SOIC wide-body (DW) package and is a pin-to-pin
upgrade to the older generations.
Device Information
PART NUMBER(1)
PACKAGE
BODY SIZE (NOM)
ISO6741
SOIC (DW)
10.30 mm × 7.50 mm
(1)
For all available packages, see the orderable addendum at
the end of the data sheet.
OUTx
GNDO
GNDI
VCCO
VCCI
Series Isolation
Capacitors
Copyright © 2016, Texas Instruments Incorporated
INx
ENx
VCCI=Input supply, VCCO=Output supply
GNDI=Input ground, GNDO=Output ground
Simplified Schematic
www.ti.com
ISO6741
SLLSFJ6 – AUGUST 2020
Copyright © 2020 Texas Instruments Incorporated
Submit Document Feedback
1
Product Folder Links: ISO6741
ISO6741
SLLSFJ6 – AUGUST 2020
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. ADVANCE INFORMATION for preproduction products; subject to change
without notice.


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