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

ISO7641FC (ACTIVE)

4kVpk Low Power Quad Channel, 25Mbps Digital Isolator

Description

ISO7631F and ISO7641F provide galvanic isolation up to 4242 VPK per VDE. ISO7631F has 3 channels with two in forward and one in reverse direction whereas ISO7641F has 4 channels with three in forward and one in reverse direction. Suffix F indicates that output defaults to Low-state in fail-safe conditions. M-Grade devices are high speed isolators capable of 150 Mbps data rate with fast propagation delays whereas C-Grade devices can run up to 25 Mbps data rate 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 need to be suppressed or lower 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
    (3.3V 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 2.7V (M-Grade), 3.3 V and 5 V Supply
    and Logic Levels
  • Wide Body SOIC-16 Package

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Parametrics Compare all products in Digital Isolator

 
UL 1577 Isolation Voltage (Single) (kVrms)
VDE DIN EN 60747-5-5 Basic Transient Overvoltage Rating (kVpk)
VDE DIN EN 60747-5-5 Basic Surge Voltage Rating (kVpk)
VDE DIN EN 60747-5-5 Basic Working Voltage Rating (kVpk)
Number of Channels (#)
Forward/Reverse Channels
Supply Voltage(s) (V)
Default Output
CSA 60601-1 Reinforced Working (Vrms)
CSA 60950-1 Basic Working (Vrms)
CSA 60950-1 Reinforced Working (Vrms)
CSA 61010-1 Basic Working (Vrms)
CSA 61010-1 Reinforced Working (Vrms)
CSA Isolation Rating (Vrms)
TTL/CMOS Input Threshold
TUV EN 60950-1 Basic Working (Vrms)
TUV EN 60950-1 Reinforced Working (Vrms)
TUV EN 61010-1 Basic Working (Vrms)
TUV EN 61010-1 Reinforced Working (Vrms)
TUV Isolation Rating (Vrms)
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    
125     125     125    
760     760     760    
380     380     380    
600     600     600    
300     300     300    
5000     5000     5000    
TTL     TTL     TTL    
400     400     400    
600     600     600    
400     400     400    
600     600     600    
3     5     5    
17     7     7    
Catalog     Catalog     Catalog    
-40 to 125     -40 to 125     -40 to 125    
16SOIC     16SOIC     16SOIC    
1.80 | 1ku     2.50 | 1ku     2.50 | 1ku    

Related end equipment

  • Optocoupler Replacement in:
    • Industrial Fieldbus
      • Profibus
      • Modbus
      • DeviceNetTM Data Buses
    • Servo Control Interface
    • Motor Control
    • Power Supplies
    • Battery Packs

SAFETY and REGULATORY APPROVALS

  • 2500 VRMS for 1 Minute per UL 1577 (approved)
  • 4242 VPK VDE Rating for DIN EN 60747-5-2
    (VDE 0884 Rev. 2), 1414 VPK Working Voltage (approved)
  • CSA Component Acceptance Notice 5A (approved)
  • 3000 VRMS Reinforced Insulation per TUV for
    EN/UL/CSA 60950-1 and EN/UL/CSA 61010-1 (approved)

Companion parts

Part # Name Product Family Comments
SN6501   Transformer Driver for Isolated Power Supplies   CONVERTER (INTEGRATED SWITCH) - ISOLATED DC/DC CONVERTER    Transfomer driver for generating isolated secondary power supply  
TPS76350   Single Output LDO, 150mA, Fixed(5.0V), Low Quiescent Current, Thermal Protection   LINEAR REGULATOR (LDO) - SINGLE CHANNEL LDO    Low-dropout (LDO) voltage regulator for isolated secondary power supply  
DCP010505B   Miniature, 1W Isolated Unregulated DC/DC Converters   ISOLATED MODULE - 1W & 2W MINIATURE MODULE    Isolated Power  
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