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AD9460 Datasheet(PDF) 8 Page - Analog Devices |
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AD9460 Datasheet(HTML) 8 Page - Analog Devices |
8 / 32 page AD9460 Rev. 0 | Page 8 of 32 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS 74 D10+ 73 D10– 72 D9+ 69 D8– 70 D8+ 71 D9– 75 DRGND 68 DCO+ 67 DCO– 66 D7+ 64 DRVDD 63 DRGND 62 D6+ 61 D6– 60 D5+ 59 D5– 58 D4+ 57 D4– 56 D3+ 55 D3– 54 D2+ 53 D2– 52 D1+ 51 D1– 65 D7– PIN 1 DNC = DO NOT CONNECT 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 DNC 3 OUTPUT MODE 4 DFS 7 SENSE 6 AVDD1 5 LVDS_BIAS 1 DCS MODE 8 VREF 9 AGND 10 REFT 12 AVDD2 13 AVDD2 14 AVDD2 15 AVDD2 16 AVDD2 17 AVDD2 18 AVDD1 19 AVDD1 20 AVDD1 21 AGND 22 VIN+ 23 VIN– 24 AGND 25 AVDD2 11 REFB AD9460 LVDS MODE TOP VIEW (Not to Scale) Figure 4. 100-Lead TQFP_EP Pin Configuration in LVDS Mode Table 7. Pin Function Descriptions—100-Lead TQFP_EP in LVDS Mode Pin No. Mnemonic Description 1 DCS MODE Clock Duty Cycle Stabilizer (DCS) Control Pin. CMOS compatible. DCS = low (AGND) to enable DCS (recommended). DCS = high (AVDD1) to disable DCS. 2 DNC Do Not Connect. This pin should float. 3 OUTPUT MODE CMOS-Compatible Output Logic Mode Control Pin. OUTPUT MODE = 0 for CMOS mode. OUTPUT MODE = 1 (AVDD1) for LVDS outputs. 4 DFS Data Format Select Pin. CMOS control pin that determines the format of the output data. DFS = high (AVDD1) for twos complement DFS = low (ground) for offset binary format. 5 LVDS_BIAS Set Pin for LVDS Output Current. Place a 3.7 kΩ resistor terminated to DRGND. 6, 18 to 20, 32 to 34, 36, 38, 43 to 45, 92 to 97 AVDD1 3.3 V (±5%) Analog Supply. 7 SENSE Reference Mode Selection. Connect to AGND for internal 1.7 V reference (3.4 V p-p analog input range); connect to AVDD1 for external reference. 8 VREF 1.7 V Reference I/O. The function is dependent on the SENSE pin and external programming resistors. Decouple to ground with 0.1 μF and 10 μF capacitors. 9, 21, 24, 39, 42, 46, 91, 98, 99, Exposed Heat Sink AGND Analog Ground. The exposed heat sink on the bottom of the package must be connected to AGND. |
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Similar Description - AD9460_15 |
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