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AD6679 数据表(PDF) 21 Page - Analog Devices |
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AD6679 数据表(HTML) 21 Page - Analog Devices |
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21 / 81 page  Data Sheet AD6679 Rev. B | Page 21 of 81 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A AGND AGND AGND AVDD2 AVDD1 AGND CLK+ CLK– AGND AVDD1 AVDD2 AGND AGND AGND B AVDD3 AGND AGND AVDD2 AVDD1 AGND AGND AGND AGND AVDD1 AVDD2 AGND AGND AVDD3 C AVDD3 AGND AGND AVDD2 AVDD1 AGND SYNC+ SYNC– AGND AVDD1 AVDD2 AGND AGND AVDD3 D AGND AGND AGND AVDD2 AVDD1 AGND AVDD1 AGND AGND AVDD1 AVDD2 AGND AGND AGND E VIN–B AGND AGND AVDD2 AVDD1 AGND AGND AGND AGND AVDD1 AVDD2 AGND AGND VIN–A F VIN+B AGND AGND AVDD2 AGND AGND AGND AGND AGND AGND AVDD2 AGND AGND VIN+A G AGND AGND AGND AGND AGND AGND AGND AGND AGND AGND AVDD2 AGND AGND AGND H AGND AGND AGND CSB AGND AGND AGND AGND AGND V_1P0 AGND AGND AGND AGND J FD_B AGND AGND SCLK SPIVDD AGND AGND AGND AGND AVDD2 SPIVDD AGND PDWN/ STBY FD_A K DGND DGND AGND SDIO AGND AGND AGND AGND AGND AGND AGND AGND DCO– DCO+ L DVDD DVDD DGND DGND AGND AGND AGND AGND AGND AGND AGND AGND OVR– OVR+ M B D2/D3+ B D2/D3– DVDD DVDD DRVDD DRVDD DRVDD DRGND DRGND DRGND DRGND DRGND A D12/D13– A D12/D13+ N B D4/D5– B D6/D7– B D8/D9– B D10/D11– B D12/D13– B D0/D1– DRVDD DRGND A D0/D1– A D2/D3– A D4/D5– A D6/D7– A D8/D9– A D10/D11– P A B C D E F G H J K L M N P B D4/D5+ B D6/D7+ B D8/D9+ B D10/D11+ B D12/D13+ B D0/D1+ DRVDD DRGND A D0/D1+ A D2/D3+ A D4/D5+ A D6/D7+ A D8/D9+ A D10/D11+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 3.3V ANALOG SUPPLY 2.50V ANALOG SUPPLY 1.25V ANALOG SUPPLY 1.22V TO 3.4V SPI SUPPLY 1.25V LVDS DRIVER SUPPLY 1.25V DIGITAL SUPPLY LVDS DRIVER GROUND DIGITAL GROUND ANALOG GROUND SPI INTERFACE LVDS INTERFACE ADC I/O Figure 13. Pin Configuration—Channel Multiplexed (Even/Odd) LVDS Mode (Top View) Table 9. Pin Function Descriptions—Channel Multiplexed (Even/Odd) LVDS Mode1 Pin No. Mnemonic Type Description Power Supplies A5, A10, B5, B10, C5, C10, D5, D7, D10, E5, E10 AVDD1 Supply Analog Power Supply (1.25 V Nominal). A4, A11, B4, B11, C4, C11, D4, D11, E4, E11, F4, F11, G11, J10 AVDD2 Supply Analog Power Supply (2.50 V Nominal). B1, B14, C1, C14 AVDD3 Supply Analog Power Supply (3.3 V Nominal) L1, L2, M3, M4 DVDD Supply Digital Power Supply (1.25 V Nominal). M5 to M7, N7, P7 DRVDD Supply Digital Driver Power Supply (1.25 V Nominal). J5, J11 SPIVDD Supply Digital Power Supply for SPI (1.22 V to 3.4 V). K1, K2, L3, L4 DGND Ground Ground Reference for DVDD. M8 to M12, N8, P8 DRGND Ground Ground Reference for DRVDD. A1 to A3, A6, A9, A12 to A14, B2, B3, B6 to B9, B12, B13, C2, C3, C6, C9, C12, C13, D1 to D3, D6, D8, D9, D12 to D14, E2, E3, E6 to E9, E12, E13, F2, F3, F5 to F10, F12, F13, G1 to G10, G12 to G14, H1 to H3, H5 to H9, H11 to H14, J2, J3, J6 to J9, J12, K3, K5 to K12, L5 to L12 AGND Ground Analog Ground. Analog E14, F14 VIN−A, VIN+A Input ADC A Analog Input Complement/True. E1, F1 VIN−B, VIN+B Input ADC B Analog Input Complement/True. H10 V_1P0 Input/DNC 1.0 V Reference Voltage Input/Do Not Connect. This pin is configurable through the SPI as a no connect or as an input. Do not connect this pin if using the internal reference. This pin requires a 1.0 V reference voltage input if using an external voltage reference source. A7, A8 CLK+, CLK− Input Clock Input True/Complement. |
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