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ISO7341-Q1

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Automotive, 4-channel, 3/1, digital isolator

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Data sheet

ISO7341-Q1

ACTIVE
Data sheet Order now

Product details

Rating Automotive Integrated isolated power No Number of channels 4 Forward/reverse channels 3 forward / 1 reverse Data rate (max) (Mbps) 25 Protocols GPIO, PWM, SPI, UART Propagation delay time (typ) (ns) 31 Certifications CQC, CSA, DIN Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 3000 Surge isolation voltage (VIOSM) (kVPK) 7.8 CMTI (min) (kV/µs) 25 Default output High, Low Creepage (min) (mm) 8 Current consumption per channel (DC) (typ) (mA) 0.9 Current consumption per channel (1 Mbps) (typ) (mA) 0.9 Operating temperature range (°C) -40 to 125 Transient isolation voltage (VIOTM) (VPK) 4242 Clearance (min) (mm) 8
Rating Automotive Integrated isolated power No Number of channels 4 Forward/reverse channels 3 forward / 1 reverse Data rate (max) (Mbps) 25 Protocols GPIO, PWM, SPI, UART Propagation delay time (typ) (ns) 31 Certifications CQC, CSA, DIN Isolation rating Basic Withstand isolation voltage (VISO) (Vrms) 3000 Surge isolation voltage (VIOSM) (kVPK) 7.8 CMTI (min) (kV/µs) 25 Default output High, Low Creepage (min) (mm) 8 Current consumption per channel (DC) (typ) (mA) 0.9 Current consumption per channel (1 Mbps) (typ) (mA) 0.9 Operating temperature range (°C) -40 to 125 Transient isolation voltage (VIOTM) (VPK) 4242 Clearance (min) (mm) 8
SOIC (DW) 16 106.09 mm² (10.3 mm × 10.3 mm)
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM Classification Level 3A
    • Device CDM Classification Level C6
  • Signaling Rate: 25 Mbps
  • Integrated Noise Filter on the Inputs
  • Default Output High and Low Options
  • Low Power Consumption, Typical ICC per Channel at 1 Mbps:
    • ISO7340-Q1: 0.9 mA (5-V Supplies),
      0.7 mA (3.3-V Supplies)
    • ISO7341-Q1: 1.2 mA (5-V Supplies),
      0.9 mA (3.3-V Supplies)
    • ISO7342-Q1: 1.3 mA (5-V Supplies),
      0.9 mA (3.3-V Supplies)
  • Low Propagation Delay: 31 ns
    Typical (5-V Supplies)
  • 3.3-V and 5-V Level Translation
  • 70-KV/µs Transient Immunity, Typical (5-V Supplies)
  • Robust Electromagnetic Compatibility (EMC)
    • System-level ESD, EFT, and Surge Immunity
    • Low Emissions
  • Operates from 3.3-V and 5-V Supplies
  • Wide-Body SOIC-16 Package
  • Safety-Related Certifications:
    • 4242-VPK Basic Isolation per DIN V VDE V 0884-10 and DIN EN 61010-1
    • 3-KVRMS Isolation for 1 minute per UL 1577
    • CSA Component Acceptance Notice 5A, IEC 60950-1 and IEC 61010-1 End Equipment Standards
    • GB4943.1-2011 CQC Certified
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM Classification Level 3A
    • Device CDM Classification Level C6
  • Signaling Rate: 25 Mbps
  • Integrated Noise Filter on the Inputs
  • Default Output High and Low Options
  • Low Power Consumption, Typical ICC per Channel at 1 Mbps:
    • ISO7340-Q1: 0.9 mA (5-V Supplies),
      0.7 mA (3.3-V Supplies)
    • ISO7341-Q1: 1.2 mA (5-V Supplies),
      0.9 mA (3.3-V Supplies)
    • ISO7342-Q1: 1.3 mA (5-V Supplies),
      0.9 mA (3.3-V Supplies)
  • Low Propagation Delay: 31 ns
    Typical (5-V Supplies)
  • 3.3-V and 5-V Level Translation
  • 70-KV/µs Transient Immunity, Typical (5-V Supplies)
  • Robust Electromagnetic Compatibility (EMC)
    • System-level ESD, EFT, and Surge Immunity
    • Low Emissions
  • Operates from 3.3-V and 5-V Supplies
  • Wide-Body SOIC-16 Package
  • Safety-Related Certifications:
    • 4242-VPK Basic Isolation per DIN V VDE V 0884-10 and DIN EN 61010-1
    • 3-KVRMS Isolation for 1 minute per UL 1577
    • CSA Component Acceptance Notice 5A, IEC 60950-1 and IEC 61010-1 End Equipment Standards
    • GB4943.1-2011 CQC Certified

The ISO734x-Q1 family of devices provides galvanic isolation up to 3000 VRMS for 1 minute per UL 1577 and 4242 VPK per VDE V 0884-10. These devices have four isolated channels comprised of logic input and output buffers separated by a silicon dioxide (SiO2) insulation barrier.

The ISO7340-Q1 device has four channels in forward direction, the ISO7341-Q1 device has three forward and one reverse-direction channels, and the ISO7342-Q1 device has two forward and two reverse-direction channels. In case of input power or signal loss, the default output is low for orderable part numbers with suffix F and high for orderable part numbers without suffix F. See the Device Functional Modes section for further details.

Used in conjunction with isolated power supplies, these devices help prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. The ISO734x-Q1 device has integrated noise filter for harsh industrial environment where short noise pulses may be present at the device input pins. The ISO734x-Q1 device has TTL input thresholds and operates from 3-V to 5.5-V supply levels. Through innovative chip design and layout techniques, electromagnetic compatibility of the ISO734x-Q1 family of devices has been significantly enhanced to enable system-level ESD, EFT, surge, and emissions compliance.

The ISO734x-Q1 family of devices provides galvanic isolation up to 3000 VRMS for 1 minute per UL 1577 and 4242 VPK per VDE V 0884-10. These devices have four isolated channels comprised of logic input and output buffers separated by a silicon dioxide (SiO2) insulation barrier.

The ISO7340-Q1 device has four channels in forward direction, the ISO7341-Q1 device has three forward and one reverse-direction channels, and the ISO7342-Q1 device has two forward and two reverse-direction channels. In case of input power or signal loss, the default output is low for orderable part numbers with suffix F and high for orderable part numbers without suffix F. See the Device Functional Modes section for further details.

Used in conjunction with isolated power supplies, these devices help prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. The ISO734x-Q1 device has integrated noise filter for harsh industrial environment where short noise pulses may be present at the device input pins. The ISO734x-Q1 device has TTL input thresholds and operates from 3-V to 5.5-V supply levels. Through innovative chip design and layout techniques, electromagnetic compatibility of the ISO734x-Q1 family of devices has been significantly enhanced to enable system-level ESD, EFT, surge, and emissions compliance.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet ISO734x-Q1 Robust EMC, Low-Power, Quad-Channel Digital Isolators datasheet (Rev. B) PDF | HTML May 30, 2017
Certificate VDE Certificate for Basic Isolation for DIN EN IEC 60747-17 (Rev. AA) Jun 11, 2026
Certificate UL Certificate of Compliance File E181974 Vol 4 Sec 6 (Rev. S) May 7, 2026
White paper Improve Your System Performance by Replacing Optocouplers with Digital Isolators (Rev. D) PDF | HTML Nov 7, 2025
Certificate CQC Certificate for ISOxxDWx (Rev. K) Aug 18, 2025
Application note Digital Isolator Design Guide (Rev. G) PDF | HTML Sep 13, 2023
Certificate CSA Certificate for ISO73xxDW Feb 22, 2023
White paper Why are Digital Isolators Certified to Meet Electrical Equipment Standards? Nov 16, 2021
White paper Distance Through Insulation: How Digital Isolators Meet Certification Requiremen PDF | HTML Jun 11, 2021
Application brief How to Replace Optocouplers with Digital Isolators in Standard Interface Circuit (Rev. A) PDF | HTML May 19, 2021
Application note Isolation Glossary (Rev. A) Sep 19, 2017

Design & development

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Evaluation board

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Evaluation board

ISO7342CEVM — Quad-channel digital isolator evaluation module

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Simulation model

ISO7341C IBIS Model

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ISO7341FC IBIS Model

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