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ISO7742DBQR

Mfr. #:
ISO7742DBQR
Mfr.:
Texas Instruments
Product Type:
Digital Isolator
Series:
ISO7742
Package / Case:
16-SSOP
Description:
Four-channel 2-forward/2-reverse digital isolator in 16-pin SSOP.

Product Attributes

AttributeValue
Channels4, two forward and two reverse
Data RateUp to 100 Mbps
Supply Voltage2.25 to 5.5 V per side
Isolation Withstand3000 V RMS, UL 1577 (DBQ package)
Propagation Delay10.7 ns typical at 5-V supplies
Default OutputHigh when input power or signal is lost
Operating Ambient Temperature-55 to 125 °C
Package Details16-SSOP (DBQ)

Product Details

ISO7742DBQR is a four-channel Texas Instruments digital isolator with two forward and two reverse signal paths in a 16-pin DBQ SSOP package.

Its 100-Mbps data capability and roughly 10.7-ns typical propagation delay at 5-V supplies suit fast logic links across a galvanic boundary without requiring one isolation component per direction.

Each side operates from 2.25 to 5.5 V, letting a board connect different logic supply domains while preserving separation between their grounds.

The DBQ package has a 3000-V-RMS UL 1577 withstand rating, so a design requiring the family's higher DW-package rating must select that other package rather than assume interchangeability.

With no F suffix, the output defaults high after input power or signal is lost, a fail-state detail that matters when isolated controls feed an actuator or controller.

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