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Details for ISO7420DR by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs
DIGITAL ISOLATOR 2-CH 1MBPS SOIC-8
ISO7420DR image

ISO7420DR by Texas Instruments

DIGITAL ISOLATOR 2-CH 1MBPS SOIC-8
Features
3.3-V and 5-V Level Translation
50-kV/u03bcs Transient Immunity, Typical
Highest Signaling Rate: 1 Mbps
Low Power Consumption, Typical ICC per Channel (3.3-V operation): u2013 ISO7420: 1.1 mA, ISO7421: 1.5 mA
Low Propagation Delay u2013 9 ns Typical
Low Skew u2013 300 ps Typical
Narrow Body SOIC-8 Package
Operates From 3.3-V and 5-V Supply and Logic Levels
Over 25-Year Isolation Integrity at Rated Voltage
Safety and Regulatory Approvals:
Wide TA Range: u201340u00b0C to 125u00b0C (M-Grade)
Part Information
ISO7420DR image
RoHS Compliant
Description
The ISO7420, ISO7420M and ISO7421 provide galvanic isolation up to 2500 VRMS for 1 minute per UL. These digital isolators have two isolated channels. Each isolation channel has a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier. Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other circuit from entering the local ground and interfering with or damaging sensitive circuitry. The suffix M indicates wide temperature range (–40°C to 125°C). These devices have TTL input thresholds and require two supply voltages, 3.3 or 5 V, or any combination. All inputs are 5-V tolerant when supplied from a 3.3-V supply. Note: The ISO7420 and ISO7421 are specified for signaling rates up to 1 Mbps. Due to their fast response time, under most cases, these devices will also transmit data with much shorter pulse widths. Designers should add external filtering to remove spurious signals with input pulse duration <20 ns if desired.
Specifications
No. of Channels:
2 Channel
Propagation Delay:
9ns
Supply Voltage Min:
3.15V
Supply Voltage Max:
5.25V
Interface Case Style:
SOIC
No. of Pins:
8Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
OptoCoupler Buffer-OUT 2-CH 8-Pin SOIC T/R Avnet America
OptoCoupler Buffer-OUT 2-CH 8-Pin SOIC T/R Avnet Europe