AD9248PPPPPPPPPPQQQQQQQQQQ13P12P11P10P13Q12Q11Q10QDRAGNDDDDDD9D8D7D6D5D4D3D2D1D0DORPDRBGNDDDDDD9D8D7D6D5D4D3D2D1D0DORQ3937353331292725232119171513119753139373533312927252321191715131197531975313937353331292725232119171513110975313937353331292725232119171513110R4R4P3P8ADEADEHEHE403836343230282624222018161412108642403836343230282624222018161412108642864240383634323028262422201816141210864240383634323028262422201816141210PPPPPPPPPPQQQQQQQQQQ13P12P11P10P13Q12Q11Q10QDORPD8D7D6D5D4D3D2D1D0DDDDD9D8D7D6D5D4D3D2D1D0DORQDDDDD9161514131211109161514131211109161514131211109161514131211109220220220220R1R2R3R4R5R6R7R80R1R2R3R4R5R6R7R8R1R2R3R4R5R6R7R8R1R2R3R4R5R6R7R8SO16ISOSO16ISOSO16ISOSO16ISO12345678RZ5RRZ6R12345678RZ1R12345678RZ9R12345678 μ FC500.11 μ FC50.1LLLL2 μ FVDVDVDVDC50.1 μ F2423222120191817161514131211109876543213242322212019181716151413121110987654321C50.1CCCCNDNDOE22Q82Q72Q62Q52Q42Q32Q22Q1GVC1Q81Q71Q61Q51Q41Q31Q21Q1OE1 μ FOE22Q82Q72Q62Q52Q42Q32Q22Q11Q81Q71Q61Q51Q41Q31Q21Q1GNDGNDVC6GVCGNDGNDVCGNDOE1GNDUTC40.1UT16373A16373AHH7 μ FU2U4OUTPUTOUTPUTC40.1D = INPD = INPQ =74LVCQ =74LVC8 μ F8765C43218765C43218765C43218765C4321SNSNC40.1LE22D2DGND2D2DVC2D2DGND2D2D1D1DGND1D1DVC1D1DGND1D1DLE1LE22D2DGND2D2DVC2D2DGND2D2D1D1DGND1D1DVC1D1DGND1D1DLE1 μ F2526272829303132333435363738394041424344454647489252627282930313233343536373839404142434445464748C40.1LLLLLCLKLATBVDVDVDVDCLKLATACLKLATACLKLATBVD161514131211109161514131211109161514131211109161514131211109220220220220R1R2R3R4R5R6R7R8R1R2R3R4R5R6R7R8R1R2R3R4R5R6R7R8R1R2R3R4R5R6R7R8SO16ISOSO16ISORZ3R12345678SO16ISO12345678RZ1R12345678SO16ISO12345678RZ4RRZ2RAAAAAAAAAABBBBBBBBBB13A12A11A10AD9D8D7D6D5D4D3D2D1D013B12B11B10BD9D8D7D6D5D4D3D2D1D0OTRADDDDOTRBDDDD 04446-051 Figure 51. PCB Schematic (2 of 3) Rev. B | Page 38 of 48 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS AC SPECIFICATIONS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS EXPLANATION OF TEST LEVELS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS EQUIVALENT CIRCUITS THEORY OF OPERATION ANALOG INPUT Differential Input Configurations Single-Ended Input Configuration CLOCK INPUT AND CONSIDERATIONS POWER DISSIPATION AND STANDBY MODE DIGITAL OUTPUTS TIMING DATA FORMAT VOLTAGE REFERENCE Internal Reference Connection External Reference Operation AD9248 LQFP EVALUATION BOARD CLOCK CIRCUITRY ANALOG INPUTS REFERENCE CIRCUITRY DIGITAL CONTROL LOGIC OUTPUTS LQFP EVALUATION BOARD BILL OF MATERIALS (BOM) LQFP EVALUATION BOARD SCHEMATICS LQFP PCB LAYERS DUAL ADC LFCSP PCB POWER CONNECTOR ANALOG INPUTS OPTIONAL OPERATIONAL AMPLIFIER CLOCK VOLTAGE REFERENCE DATA OUTPUTS LFCSP EVALUATION BOARD BILL OF MATERIALS (BOM) LFCSP PCB SCHEMATICS LFCSP PCB LAYERS THERMAL CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE