ISO7742QDWRQ1

1 Features

1• Qualified for Automotive Applications

• AEC-Q100 Qualified With the Following Results:

– Device Temperature Grade 1: –40°C to 125°C

Ambient Operating Temperature

– Device HBM ESD Classification Level 3A

– Device CDM ESD Classification Level C6

• 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

• Default Output High and Low Options

• Low Power Consumption, Typical 1.5 mA per

Channel at 1 Mbps

• Low Propagation Delay: 10.7 ns Typical

(5-V Supplies)

• High CMTI: ±100 kV/μs Typical

• Robust Electromagnetic Compatibility (EMC)

– System-Level ESD, EFT, and Surge Immunity

– Low Emissions

• Isolation Barrier Life: >40 Years

• Wide-SOIC (DW-16) and QSOP (DBQ-16)

Package Options

• Safety-Related Certifications:

– DIN V VDE V 0884-10 (VDE V 0884-10):

2006-12

– UL 1577 Component Recognition Program

– CSA Component Acceptance Notice 5A, IEC

60950-1 and IEC 60601-1 End Equipment

Standards

– CQC Approval per GB4943.1-2011

– TUV Certification according to EN 60950-1 and

EN 61010-1

– Certifications for DW Package Complete; All

Other Certifications are Planned

2 Applications

• Hybrid Electric Vehicles

• Motor Control

• Power Supplies

• Solar Inverters

• Medical Equipment

3 Description

The ISO774x-Q1 devices are high-performance,

quad-channel digital isolators with 5000 VRMS (DW

package) and 2500 VRMS (DBQ package) isolation

ratings per UL 1577. This family of devices has

reinforced insulation ratings according to VDE, CSA,

TUV and CQC.

The ISO774x-Q1 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 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 and to reduce power

consumption. The ISO7740-Q1 device has all four

channels in the same direction, the ISO7741-Q1

device has three forward and one reverse-direction

channels, and the ISO7742-Q1 device has two

forward and two reverse-direction channels. If the

input power or signal is lost, default output is high for

devices without suffix F and low for devices with

suffix F. See the Device Functional Modes section for

further details.

Used in conjunction with isolated power supplies, this

device helps prevent 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 the

ISO774x-Q1 devices have been significantly

enhanced to ease system-level ESD, EFT, surge, and

emissions compliance. The ISO774x-Q1 devices are

available in 16-pin SOIC and QSOP packages.

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