4kVpk Low Power Quad Channel, 25Mbps Digital Isolator - ISO7641FC

ISO7641FC (ACTIVE)

4kVpk Low Power Quad Channel, 25Mbps Digital Isolator

 

Recommended alternative parts

  • ISO7341FC  -  Pin-to-pin compatible with 20% higher isolation (3kVrms) .

Description

The ISO7631F and ISO7641F devices provide galvanic isolation up to 4242 VPK per VDE. The ISO7631F device has three channels, two of which operate in the forward direction and one which operates in the reverse direction. The ISO7641F device has 4 channels, three of which operate in the forward direction and one of which operates in the reverse direction. Suffix F indicates that output defaults to low-state in fail-safe conditions (see ). M-Grade devices are high-speed isolators capable of up to150-Mbps data rates with fast propagation delays, whereas C-Grade devices are capable of up to 25-Mbps data rates with low power consumption and integrated filters for noise-prone applications. C-Grade devices are recommended for lower-speed applications where input noise pulses of less than 6 ns duration must be suppressed, or when low-power consumption is critical.

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 circuits from entering the local ground and interfering with or damaging sensitive circuitry. The devices have TTL input thresholds and can operate from 2.7-V (M-Grade), 3.3-V and 5-V supplies. All inputs are 5-V tolerant when supplied from 3.3-V or 2.7-V supplies.

Features

  • Signaling Rate: 150 Mbps (M-Grade), 25 Mbps
    (C-Grade)
  • Robust Design with Integrated Noise Filter
    (C-Grade)
  • Low Power Consumption, Typical ICC per Channel
    (3.3-V Supplies):
    • ISO7631FM: 2 mA at 10 Mbps
    • ISO7631FC: 1.5 mA at 10 Mbps
    • ISO7641FC: 1.3 mA at 10 Mbps
  • Extremely-Low ICC_disable (C-Grade)
  • Low Propagation Delay: 7 ns Typical (M-Grade)
  • Output Defaults to Low-State in Fail-Safe Mode
  • Wide Temperature Range: –40°C to 125°C
  • 50 KV/µs Transient Immunity, Typical
  • Long Life With SiO2 Isolation Barrier
  • Operates From 2.7-V (M-Grade), 3.3-V and 5-V
    Supply and Logic Levels
  • 2.7-V (M-Grade), 3.3-V and 5-V Level Translation
  • Wide Body SOIC-16 Package
  • Safety and Regulatory Approvals
    • 2500 VRMS Isolation for 1 Minute per UL 1577
    • 4242 VPK Basic Insulation per DIN V VDE V
      0884-10 and DIN EN 61010-1
    • CSA Component Acceptance Notice 5A, IEC
      60950-1 and IEC 61010-1 End Equipment
      Standards
    • CQC Certification per GB4943.1-2011
    • TUV 3000 VRMS Reinforced Insulation
      according to EN/UL/CSA 60950-1 and
      EN/UL/CSA 61010-1

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Parametrics Compare all products in Digital Isolators

 
UL 1577 Isolation Voltage (Single) (Vrms)
DIN V VDE V 0884-10 Transient Overvoltage Rating (Vpk)
DIN V VDE V 0884-10 Surge Voltage Rating (Vpk)
DIN V VDE V 0884-10 Working Voltage (Vpk)
Number of Channels (#)
Forward/Reverse Channels
Supply Voltage(s) (V)
Default Output
TTL/CMOS Input Threshold
Propagation Delay (ns)
Rating
Operating Temperature Range (C)
Pin/Package
Approx. Price (US$)
ISO7641FC ISO7640FM ISO7641FM
2500    4200    4200   
4200    6000    6000   
4000    4000    4000   
1414    1414    1414   
4    4    4   
3/1    4/0    3/1   
3.3
5   
2.7
3.3
5   
2.7
3.3
5   
Low    Low    Low   
TTL    TTL    TTL   
17    7    7   
Catalog    Catalog    Catalog   
-40 to 125    -40 to 125    -40 to 125   
16SOIC    16SOIC    16SOIC   
2.07 | 1ku    2.88 | 1ku    2.88 | 1ku