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ISO7240A Status: ACTIVE

Quad Channel, 4/0, 1Mbps, Digital Isolator

      
         
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Datasheet

Download - PDF Icon
  • 1-Mbps QUAD DIGITAL ISOLATORS (Rev. B) (iso7240a.pdf, 727 KB)
    12 Dec 2008 Download

 ISO7240AISO7240C ISO7240CF ISO7240M 
Number of Channels4  4  4  4  
Channel Configuration4/0  4/0  4/0  4/0  
Insulation Rating(VRMS)2500  2500  2500  2500  
Supply Voltage(s)(V)3.3, 5  3.3, 5  3.3, 5  3.3, 5  
Datarate(Mbps)1  25  25  150  
Input Noise FilterYes  Yes  Yes  None  
Prop Delay(Max)(ns)70  30  46  16  
TTL/CMOS Input ThresholdTTL  TTL  TTL  CMOS  
FootprintADuM1400  ADuM1400  ADuM1400  ADuM1400  
RatingCatalog  Catalog  Catalog  Catalog  
Operating Temp Range(Celsius)-40 to 125  -40 to 125  -40 to 125  -40 to 125  
Approx. Price (US$) 2.40 | 100u   3.65 | 100u   3.75 | 100u   5.15 | 100u  
Pin/Package16SOIC  16SOIC  16SOIC  16SOIC  
Thermal ShutdownNo  No  No  No  
 SamplesSamplesSamplesSamples
 InventoryInventoryInventoryInventory

Customers Who Evaluated This Product Also Evaluated

  • ISO7231A: Triple Channel, 2/1, 1Mbps, Digital Isolator
  • ISO7241C: Quad Channel, 3/1, 25Mbps, Digital Isolator
  • ISO721: Single 100Mbps Digital Isolator
  • SN65LBC184: Transient Voltage Suppression Differential Transceiver
  • SN74HC04: Hex Inverters
  • ADS1278: Octal, 128kHz, Simultaneous Sampling 24-Bit Delta Sigma ADC

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Product Information

Features

  • 4000-Vpeak Isolation, 560-Vpeak VIORM
    • UL 1577 , IEC 60747-5-2 (VDE 0884, Rev 2),
      IEC 61010-1, IEC 60950-1 and CSA Approved
  • 4 kV ESD Protection
  • Operate With 3.3-V or 5-V Supplies
  • Typical 25-Year Life at Rated Working Voltage
    (See Application Note (SLLA197 ) and Figure 10)
  • High Electromagnetic Immunity
    (See Application Report (SLLA181))
  • -40°C to 125°C Operating Range
  • APPLICATIONS
    • Industrial Fieldbus
    • Computer Peripheral Interface
    • Servo Control Interface
    • Data Acquisition

Description

See the section. The ISO7240A, ISO7241A and ISO7242A are quad-channel digital isolators with multiple channel configurations and output enable functions. These devices have logic input and output buffers separated by TI's silicon dioxide (SiO2) isolation barrier. Used in conjunction with isolated power supplies, these devices block high voltage, isolate grounds, and prevent noise currents from entering the local ground and interfering with or damaging sensitive circuitry.

The ISO7240A has all four channels in the same direction while the ISO7241A has three channels the same direction and one channel in opposition. The ISO7242A has two channels in each direction.

The devices have TTL input thresholds and a noise-filter at the input that prevents transient pulses from being passed to the output of the device.

A periodic update pulse is sent across the barrier to ensure the proper dc level of the output. If this dc-refresh pulse is not received, the input is assumed to be unpowered or not being actively driven, and the failsafe circuit drives the output to a logic high state. (See ISO7240CF (SLLS869) or contact TI for a logic low failsafe option).

These devices may be powered from either 3.3-V or 5-V supplies on either side in any 3.3-V / 3.3-V, 5-V / 5-V, 5-V / 3.3-V, or 3.3-V / 5-V combination. Note that the signal input pins are 5-V tolerant regardless of the voltage supply level being used.

These devices are characterized for operation over the ambient temperature range of -40°C to 125°C.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSymbolsFootprintsSamples
ISO7240ADWACTIVE-40 to 1252.40 | 100uSOIC (DW) | 16 View 40 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
ISO7240ADWG4ACTIVE-40 to 1252.40 | 100uSOIC (DW) | 16 View 40 | TUBE Download CAD Format for this Symbol Download CAD Format for this Footprint
ISO7240ADWRACTIVE-40 to 1252.40 | 100uSOIC (DW) | 16 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples
ISO7240ADWRG4ACTIVE-40 to 1252.40 | 100uSOIC (DW) | 16 View 2000 | LARGE T&R Download CAD Format for this Symbol Download CAD Format for this FootprintPurchase Samples

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

  TI Inventory Status Reported Distributor Inventory
ISO7240ADWAs of 10:03 AM GMT, 09 Jan 2009As of 10:03 AM GMT, 09 Jan 2009
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0*  8 Weeks AmericasAvnet 25
  DigiKey 48
  Mouser Electronics 507
  Newark 114
ISO7240ADWG4As of 10:03 AM GMT, 09 Jan 2009As of 10:03 AM GMT, 09 Jan 2009
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0*  8 Weeks AmericasAvnet 140
  EuropeEBV Elektronik 29
ISO7240ADWRAs of 10:03 AM GMT, 09 Jan 2009As of 10:03 AM GMT, 09 Jan 2009
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 8 WeeksNone Reported
View Distributors		   
ISO7240ADWRG4As of 10:03 AM GMT, 09 Jan 2009As of 10:03 AM GMT, 09 Jan 2009
 In StockIn Progress QTY | DateLead TimeRegionCompanyIn StockPurchase
 0* 8 WeeksNone Reported
View Distributors		   
View all Distributors  

* Our information is updated daily, so please check back with us soon if this does not meet your needs. You may also contact your TI Authorized Distributor , including those listed above, for real time stock information.

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
ISO7240ADW RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
ISO7240ADWG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
ISO7240ADWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView
ISO7240ADWRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-3-260C-168 HRViewView

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Datasheets

  • 1-Mbps QUAD DIGITAL ISOLATORS (Rev. B) (iso7240a.pdf, 727 KB)
    12 Dec 2008 Download

Application Notes

  • Shelf-Life Evaluation of Lead-Free Component Finishes (szza046.htm, 8 KB)
    24 May 2004 Abstract
  • Thermal and Electrical Properties of Selected Packaging Materials (sbfa010.htm, 8 KB)
    04 Oct 2000 Abstract

View Application Notes for Isolators

User Guides

  • Triple- and Quad-Channel Digital Isolator EVM (slau253.htm, 8 KB)
    06 Jun 2008 Abstract

Simulation Models

  • IBIS Model
    • ISO7240_3 IBIS Model (sllc332.ibs, 34 KB)
      14 Jul 2008 ibis
      • | zip
    • ISO7240_35 IBIS Model (sllc334.ibs, 46 KB)
      14 Jul 2008 ibis
      • | zip
    • ISO7240_5 IBIS Model (sllc333.ibs, 41 KB)
      14 Jul 2008 ibis
      • | zip
    • ISO7240_53 IBIS Model (sllc335.ibs, 41 KB)
      14 Jul 2008 ibis
      • | zip

Tools & Software

NamePart # Company Tool / Software Type
IO723X724XEVM Evaluation ModuleISO723X724XEVMTexas InstrumentsDevelopment Boards/EVMs

 Alternative Products - Are similar to ISO7240A
Customers Who Evaluated This Product Also Evaluated...
Part #Name Comments
ISO7231ATriple Channel, 2/1, 1Mbps, Digital Isolator TI customers also evaluated this product.
ISO7241CQuad Channel, 3/1, 25Mbps, Digital Isolator TI customers also evaluated this product.
ISO721Single 100Mbps Digital Isolator TI customers also evaluated this product.
ISO7220CDual Channel, 2/0, 25Mbps Digital IsolatorTI customers also evaluated this product.
ISO7242AQuad Channel, 2/2, 1Mbps, Digital Isolator TI customers also evaluated this product.
ISO7240CQuad Channel, 4/0, 25Mbps, Digital IsolatorTI customers also evaluated this product.
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