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Automotive, Low Power, Quad-Channel 2/2 Digital Isolator


Package | PIN: DW | 16
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $4.77
10-24 $4.30
25-99 $4.00
100-249 $3.51
250-499 $3.29
500-749 $2.79
750-999 $2.36
1000+ $2.25


  • 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 CDMClassification 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 DINEN 61010-1
    • 3-KVRMS Isolation for 1 minute per UL 1577
    • CSA Component Acceptance Notice 5A, IEC 60950-1 and IEC 61010-1 End EquipmentStandards
    • GB4943.1-2011 CQC Certified

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Texas Instruments  ISO7342CQDWRQ1

The ISO734x-Q1 familyof devices provides galvanic isolation up to 3000 VRMS for 1 minute per UL1577 and 4242 VPK per VDE V 0884-10. These devices have four isolatedchannels comprised of logic input and output buffers separated by a silicon dioxide(SiO2) insulation barrier.

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

Used in conjunction with isolated power supplies, these devices help prevent noisecurrents on a data bus or other circuits from entering the local ground and interfering with ordamaging sensitive circuitry. The ISO734x-Q1 device has integrated noise filter for harsh industrialenvironment where short noise pulses may be present at the device input pins. TheISO734x-Q1 device has TTL inputthresholds and operates from 3-V to 5.5-V supply levels. Through innovative chip design and layouttechniques, electromagnetic compatibility of the ISO734x-Q1 family of devices has been significantly enhanced to enablesystem-level ESD, EFT, surge, and emissions compliance.