ISO6731
ISO6731
www.ti.com
SLASEY9 – JANUARY 2021
SLASEY9 – JANUARY 2021
ISO6731 General-Purpose Triple-Channel Digital Isolator with Robust EMC
1 Features
3 Description
•
•
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
The ISO6731 device is a high-performance, triple-
channel digital isolators ideal for cost-sensitive
applications requiring up to 5000 VRMS isolation
ratings per UL 1577. This device is also certified by
VDE, TUV, CSA, and CQC.
The ISO6731 devics provides 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. This device
comes with enable pins which can be used to put the
respective outputs in high impedance for multi-master
driving applications. The ISO6731 device has two
forward and one reverse-direction channels. In the
event of input power or signal loss, the default output
is high for the device without suffix F and low for the
device with suffix F. See Device Functional Modes
section for further details.
– ±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 (ISO6731) and low (ISO6731F)
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
•
•
•
•
•
•
•
Used in conjunction with isolated power supplies, this
device helps 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 ISO6731 device has been
significantly enhanced to ease system-level ESD,
EFT, surge, and emissions compliance. The ISO6731
device is available in a 16-pin SOIC wide-body (DW)
package and is a pin-to-pin upgrade to the older
generations.
•
•
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
Device Information
PACKAGE
PART NUMBER (1)
BODY SIZE (NOM)
ISO6731, ISO6731F SOIC (DW)
10.30 mm × 7.50
mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Appliances
VCCO
VCCI
Series Isolation
Capacitors
INx
OUTx
ENx
GNDI
GNDO
Copyright © 2016, Texas Instruments Incorporated
VCCI=Input supply, VCCO=Output supply
GNDI=Input ground, GNDO=Output ground
Simplified Schematic
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
Copyright © 2021 Texas Instruments Incorporated
Submit Document Feedback
intellectual property matters and other important disclaimers. ADVANCE INFORMATION for preproduction products; subject to change
Product Folder Links: ISO6731
1
without notice.