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AD9751AST 数据表(PDF) 21 Page - Analog Devices |
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AD9751AST 数据表(HTML) 21 Page - Analog Devices |
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21 / 26 page ![]() REV. 0 AD9751 –21– 116 2B13 2 4 6 8 12 10 16 14 P2 P2 P2 P2 P2 P2 P2 P2 P2B13 1 215 2B12 P2B12 2 314 2B11 P2B11 3 413 2B10 P2B10 4 512 2B09 P2B09 5 611 2B08 P2B08 6 710 2B07 P2B07 7 89 2B06 P2B06 8 9 10 RN8 VALUE RN7 VALUE P2 P2 P2 P2 P2 P2 P2 P2 1 3 5 7 9 11 13 15 1 2 3 4 5 6 7 8 9 10 2B13 2B12 2B11 2B10 2B09 2B08 2B07 2B06 RN9 VALUE 116 1B13 2 4 6 8 12 10 16 14 P1 P1 P1 P1 P1 P1 P1 P1 P1B13 1 215 1B12 P1B12 2 314 1B11 P1B11 3 413 1B10 P1B10 4 512 1B09 P1B09 5 611 1B08 P1B08 6 710 1B07 P1B07 7 89 1B06 P1B06 8 9 10 RN2 VALUE RN1 VALUE P1 P1 P1 P1 P1 P1 P1 P1 11 13 15 1 3 5 7 9 116 1B05 18 20 22 24 28 26 32 30 P1 P1 P1 P1 P1 P1 P1 P1 17 19 21 23 25 27 29 31 P1 P1 P1 P1 P1 P1 P1 P1 P1B05 1 215 1B04 P1B04 2 314 1B03 P1B03 3 413 1B02 P1B02 4 512 1B01 P1B01 5 611 1B00 P1B00 6 710 1O17 OUT15 7 89 1O15 OUT16 8 9 10 RN5 VALUE RN4 VALUE 36 34 40 38 P1 P1 P1 P1 P1 P1 P1 P1 33 35 37 39 1O16 25 26 27 28 29 30 31 32 33 34 35 36 U1 AD9751/53/55 48 47 46 45 44 43 42 41 40 39 38 37 13 14 15 16 17 18 19 20 22 23 24 21 12 11 10 9 8 3 2 1 76 54 P2B12 MSB P2B13 P2B11 P2B10 P2B09 P2B08 P2B07 P2B06 P2B05 P2B04 P2B03 P2B02 P2B01 P2B00 LSB S P 1 2 3 JP9 AVDD PLANE 1 2 3 JP8 AVDD_PLANE DIV0 DIV1 AB AB REFIO FSADJ C12 0.1 F WHT TP2 WHT TP1 R1 1.91k DVDD PLANE P1B12 P1B11 P1B10 P1B09 P1B08 P1B07 P1B06 P1B05 P1B04 P1B03 P1B02 P1B01 P1B00 LSB P1B13 MSB CLKVDD IA IB P LPF C11 1.0 F R5 392 R10 OPT 4 6 1 2 3 T1 BL1 BL2 1 2 IOUT J5 1 2 DGND: 3,4,5 J1 DVDD PLANE CLK+ CLK– RESET 1 2 3 JP5 RESET A B R4 50 WHT TP3 OUT16 EDGE EXT R3 50 C10 10pF R2 50 C9 10pF NOTE: SHIELD AROUND R5 AND C11 ARE CONNECTED TO PLLVDD PLANE PLLVDD PLANE 1 2 3 4 5 6 7 8 9 10 1B13 1B12 1B11 1B10 1B09 1B08 1B07 1B06 RN3 VALUE 1B05 1B04 1B03 1B02 1B01 1B00 1O16 RN6 VALUE 1 2 3 4 5 6 7 8 9 10 1O17 1O15 JP10 BLK TP4 BLK TP5 BLK TP6 116 2B05 18 20 22 24 28 26 32 30 P2 P2 P2 P2 P2 P2 P2 P2 17 19 21 23 25 27 29 31 P2 P2 P2 P2 P2 P2 P2 P2 P2B05 1 215 2B04 P2B04 2 314 2B03 P2B03 3 413 2B02 P2B02 4 512 2B01 P2B01 5 611 2B00 P2B00 6 710 7 89 8 9 10 RN11 VALUE RN10 VALUE 36 34 40 38 P2 P2 P2 P2 P2 P2 P2 P2 33 35 37 39 P2OUT15 P2OUT16 2B05 2B04 2B03 2B02 2B01 2B00 RN12 VALUE 1 2 3 4 5 6 7 8 9 10 2OUT15 2OUT16 NOTES: 1. ALL DIGITAL INPUTS FROM RN1 – RN12 MUST BE OF EQUAL LENGTH. 2. ALL DECOUPLING CAPS TO BE LOCATED AS CLOSE AS POSSIBLE TO DUT, PREFERABLY UNDER DUT ON BOTTOM SIGNAL LAYER. 3. CONNECT GNDS UNDER DUT USING BOTTOM SIGNAL LAYER. 4. CREATE PLANE CAPACITOR WITH 0.007" DIELECTRIC BETWEEN LAYERS 2 AND 3. BLK TP7 BLK TP8 BLK TP9 P BLK TP10 BLK TP12 Figure 34. Evaluation Board Circuitry |
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