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AD9852ASQZ 数据表(PDF) 9 Page - Analog Devices |
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AD9852ASQZ 数据表(HTML) 9 Page - Analog Devices |
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9 / 52 page ![]() AD9852 Rev. E | Page 9 of 52 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 2 D6 3 D5 4 D4 7 D1 6 D2 5 D3 1 D7 8 D0 9 DVDD 10 DVDD 12 DGND 13 NC 14 A5 15 A4 16 A3 17 A2/IO RESET 18 A1/SDO 19 A0/SDIO 20 I/O UD CLK 11 DGND 59 58 57 54 55 56 60 53 52 AGND NC NC AVDD DACBP DAC RSET AVDD AGND IOUT2 51 IOUT2 49 IOUT1 48 IOUT1 47 AGND 46 AGND 45 AGND 44 AVDD 43 VINN 42 VINP 41 AGND 50 AVDD NC = NO CONNECT 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 PIN 1 AD9852 TOP VIEW (Not to Scale) Figure 2. Pin Configuration Table 5. Pin Function Descriptions Pin Number Mnemonic Description 1 to 8 D7 to D0 8-Bit Bidirectional Parallel Programming Data Inputs. Used only in parallel programming mode. 9, 10, 23, 24, 25, 73, 74, 79, 80 DVDD Connections for the Digital Circuitry Supply Voltage. Nominally 3.3 V more positive than AGND and DGND. 11, 12, 26, 27, 28, 72, 75 to 78 DGND Connections for Digital Circuitry Ground Return. Same potential as AGND. 13, 35, 57, 58, 63 NC No Internal Connection. 14 to 16 A5 to A3 Parallel Address Inputs for Program Registers (Part of 6-Bit Parallel Address Inputs for Program Register, A5:A0). Used only in parallel programming mode. 17 A2/IO RESET Parallel Address Input for Program Registers (Part of 6-Bit Parallel Address Inputs for Program Register, A5:A0)/IO Reset. A2 is used only in parallel programming mode. IO RESET is used when the serial programming mode is selected, allowing an IO RESET of the serial communication bus that is unresponsive due to improper programming protocol. Resetting the serial bus in this manner does not affect previous programming, nor does it invoke the default programming values seen in Table 9. Active high. 18 A1/SDO Parallel Address Input for Program Registers (Part of 6-Bit Parallel Address Inputs for Program Register, A5:A0)/Unidirectional Serial Data Output. A1 is used only in parallel programming mode. SDO is used in 3-wire serial communication mode when the serial programming mode is selected. |
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