Datasheet AD9248 (Analog Devices) - 10

AD9248 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS F T C B) E L S D_RE A M A _ A A ( D D D _ N _ _ A A A A _ _ _ N D A A A D K X_SE W B _ 3 2 1 0 G V _ _ _ HARE AV CL S MU PD OE OTR D1 D1 D1 D1 DR DR D9 D8 D7 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 AGND 1 48 D6_A VIN+_A PIN 1 2 47 D5_A VIN–_A 3 46 D4_A AGND 4 45 D3_A AVDD 5 44 D2_A REFT_A 6 43 D1_A REFB_A 7 42 AD9248 D0_A (LSB) VREF 8 64-LEAD LQFP 41 DRVDD TOP VIEW SENSE 9 (Not to Scale) 40 DRGND REFB_B 10 39 OTR_B REFT_B 11 38 D13_B (MSB) AVDD 12 37 D12_B AGND 13 36 D11_B VIN–_B 14 35 D10_B VIN+_B 15 34 D9_B AGND 16 33 D8_B 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 D S S B B ) D D _ _ B ND K_B DC DF N B S VD AV L D1_B D2_B D3_B D4_B D5_B D6_B D7_B
3
CL W OE DRG DR
-00
PD
446
D0_B (
04 Figure 3. 64-Lead LQFP Pin Configuration
F T ) C E B L S D_RE A M _ A N A _ _ A ( A A A ND DD DD K_A X_SE W B _ _ A R HARE AV CL S MU PD OE OT D13 D12 D11_ D10_ DRG DRV D9_A D8_ D7_A 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 AGND 1 PIN 1 48 D6_A VIN+_A INDICATOR 2 47 D5_A VIN–_A 3 46 D4_A AGND 4 45 D3_A AVDD 5 44 D2_A REFT_A 6 43 D1_A REFB_A 7 42 D0_A (LSB) AD9248 VREF 8 41 DRVDD 64-LEAD LFCSP SENSE 9 40 DRGND TOP VIEW REFB_B 10 39 OTR_B (Not to Scale) REFT_B 11 38 D13_B (MSB) AVDD 12 37 D12_B AGND 13 36 D11_B VIN–_B 14 35 D10_B VIN+_B 15 34 D9_B AGND 16 33 D8_B 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 B S B B ) DD _ _ _ B ND DD K DCS DF N B S L D1_B D2_B D3_B D4_B D5_B D6_B D7_B AV
3
CL W OE ( B DRG DRV
10
PD _
6- 44
D0
04
NOTES 1. THERE IS AN EXPOSED PAD THAT MUST CONNECT TO AGND.
Figure 4. 64-Lead LFCSP Pin Configuration Rev. B | Page 9 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