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AD9785 Datasheet(PDF) 7 Page - Analog Devices |
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AD9785 Datasheet(HTML) 7 Page - Analog Devices |
7 / 64 page AD9785/AD9787/AD9788 Rev. 0 | Page 7 of 64 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS 74 VREF 73 IPTAT 72 AGND 69 SPI_CSB 70 RESET 71 IRQ 75 I120 68 SCLK 67 SPI_SDIO 66 SPI_SDO 64 DGND 63 SYNC_O+ 62 SYNC_O– 61 DVDD33 60 DVDD18 59 NC 58 NC 57 NC 56 NC 55 P2D[0] 54 DGND 53 DVDD18 52 P2D[1] 51 P2D[2] 65 PLL_LOCK PIN 1 INDICATOR 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 2 CVDD18 3 CGND 4 CGND 7 CGND 6 REFCLK– 5 REFCLK+ 1 CVDD18 8 CGND 9 CVDD18 10 CVDD18 12 AGND 13 SYNC_I+ 14 SYNC_I– 15 DGND 16 DVDD18 17 P1D[11] 18 P1D[10] 19 P1D[9] 20 P1D[8] 21 P1D[7] 22 DGND 23 DVDD18 24 P1D[6] 25 P1D[5] 11 CGND AD9785 TOP VIEW (Not to Scale) ANALOG DOMAIN DIGITAL DOMAIN NC = NO CONNECT Figure 2. AD9785 Pin Configuration Table 6. AD9785 Pin Function Descriptions Pin No. Mnemonic Description 1, 2, 9, 10 CVDD18 1.8 V Clock Supply. 3, 4, 7, 8, 11 CGND Clock Common. 5 REFCLK+ Differential Clock Input, Positive. 6 REFCLK− Differential Clock Input, Negative. 12, 72, 77, 79, 81, 82, 85, 88, 91, 94, 95, 97, 99 AGND Analog Common. 13 SYNC_I+ Differential Synchronization Input, Positive. 14 SYNC_I− Differential Synchronization Input, Negative. 15, 22, 32, 44, 54, 64 DGND Digital Common. 16, 23, 33, 43, 53, 60 DVDD18 1.8 V Digital Supply. 17 P1D[11] Port 1, Data Input D11 (MSB). 18 P1D[10] Port 1, Data Input D10. 19 P1D[9] Port 1, Data Input D9. 20 P1D[8] Port 1, Data Input D8. 21 P1D[7] Port 1, Data Input D7. 24 P1D[6] Port 1, Data Input D6. 25 P1D[5] Port 1, Data Input D5. 26 P1D[4] Port 1, Data Input D4. 27 P1D[3] Port 1, Data Input D3. 28 P1D[2] Port 1, Data Input D2. |
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