BAT54 overview

BAT54 is a component documented by Texas Instruments. The PDF description identifies it as "Contains all support circuitry needed for the ADS1148/ADS1248." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.

Datasheet snapshot

  • Manufacturer: Texas Instruments
  • Part number: BAT54
  • Category: IC
  • Datasheet length: 34 Pages

Key features noted in the PDF

  • Containsallsupportcircuitryneeded fortheADS1148/ADS1248
  • ±2.5Vand +5V power-supplyoptionsforADC
  • Voltagereferenceoptions:externaloronboard
  • GPIO access
  • CompatiblewiththeTIModularEVM System ADS1148EVM-PDK/ADS1248EVM-PDK Features:
  • Easy-to-useevaluationsoftwareforMicrosoft® Windows ® XP
  • Data collectiontotextfiles

Specifications and operating details

The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.

  • Pin Name Function Required J11.1 +VA Unused No J11.2 –VA Unused No J11.3 +5VA +5V analogsupply Always J11.4 –5VA –5V analogsupply Onlyinbipolarmode J11.5 DGND Digitalgroundinput Yes J11.6 AGND Analoggroundinput Yes J11.7 +1.8VD 1.8Vdigital.
  • Each oftheanaloginputsourcescan be applieddirectlytoJ8 (toporbottomside)orthrough signal-conditioningmodules availableforthethemodularEVM system.TerminalblockJ4 isconnectedin parallelwiththeanalogsignalconnectionstoJ8.Each inputhas a 47Ω/4.
  • The MMB3 derivespower fromtheUSB interface,and generates+5VD, 3.3V,and 1.8V,as wellas +5VA and –5VA and ±10V.The ±10V issuppliedtothedaughtercardpower connectoras +VA and –VA.
  • The MMB3 provides3.3Vand ±5V totheADS1248EVM.
  • The BCS controlsetsthecurrentleveloftheburnoutcurrentsources;itmay be settoOff,orto0.5μA, 2μA,or10μA.
  • The EVM draws itssupplyvoltagesfromtheMMB3 motherboard,and has onboardcircuitrytoselect between the+5V and bipolarsupplies.
  • The ReferenceSelectcontrolselectsbetween VREF0 ,VREF1 ,and theInternalReference.When VREF1 isselected,theVREF valueissetto2.048V,withswitchS1 settoBUFF.

Topics covered by the datasheet

The document includes sections related to:

  • Datasheet sections
  • REVISION HISTORY

Engineering review checklist

  • Confirm the exact ordering code, package, pinout or terminal arrangement and document revision.
  • Compare recommended operating conditions with absolute maximum ratings and retain adequate design margin.
  • Validate electrical, thermal, mechanical and environmental behavior in the final application.

Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.

View the complete PDF and model record

Open the BAT54 datasheet and model details to review the complete PDF, document pages and available product information.

Source attribution

Adapted from the PDF associated with this DigiCamel model page.

Source model URL: https://www.digicamel.com/product.php?slug=bat54-texas-instruments

BAT54 Texas Instruments IC BAT54 datasheet BAT54 specifications BAT54 applications