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AD9083BBCZ bảng dữ liệu(PDF) 49 Page - Analog Devices |
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AD9083BBCZ bảng dữ liệu(HTML) 49 Page - Analog Devices |
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49 / 93 page ![]() Data Sheet AD9083 Rev. 0 | Page 49 of 93 SETTING UP THE AD9083 DIGITAL INTERFACE The AD9083 has one JESD204B link. The serial outputs (SERDOUT0± to SERDOUT3±) or lanes are considered to be part of one JESD204B link. The maximum lane rate allowed by the AD9083 is 16 Gbps. The basic parameters that determine the link setup are • AD9083 datapath (nonburst or burst mode) • Number of converters per link (M). • Number of lanes per link (L). • N΄ is the number of bits per sample (JESD204B word size), (AD9083 value = 12 or 16). The lane line rate is related to the JESD204B parameters using the following equation: Lane Rate = 10 ' 8 OUT MN f L ×× × where: fOUT = fS/DECTOTAL. fS is the ADC sample rate. DECTOTAL is the total decimation rate of the signal processing tile. Table 24 shows the JESD204B output configurations supported for the non-burst mode data path. Table 25 shows the JESD204B output configurations supported for burst mode data path. Take care to ensure that the serial line rate for a given configuration is within the supported range of 0.25 Gbps to 16 Gbps. JESD204B TRANSPORT LAYER SETTINGS See the JESD204B Overview section for details regarding the transport layer information listed in Table 24 and Table 25. Table 24. JESD2048 Output Configuration in Nonburst Mode Data No. of Virtual Converters Supported (Same Value as M) JESD2048 Serial Lane Rate CIC N NCO/Mixer Decimate by J L M F S N' K 8 160 × fOUT 4 Bypassed 4, 8, 16 1 8 16 1 16 32 8 4, 8, 16 16 1, 4, 8, 16 120 × fOUT 4, Bypassed 4, 8, 16 1 8 12 1 12 32 8 4, 8, 16 16 1, 4, 8, 16 80 × fOUT 4 Bypassed 4 2 8 8 1 16 32 8 1 16 1 60 × fOUT 4 Bypassed 4 2 8 6 1 12 32 8 1 16 1 40 × fOUT 4 Bypassed 1 4 8 4 1 16 32 8 1 30 × fOUT 4 1 4 8 3 1 12 32 8 1 16 320 × fOUT 4 Bypassed 8, 12, 16, 20, 24, 30, 40, 60 1 16 32 1 16 32 8 4, 8, 10, 12, 16, 20, 24, 30, 40, 60 16 4, 8, 10, 12, 16, 20, 24, 30, 40, 60 1 20, 40, 60 240 × fOUT 4 Bypassed 10, 12, 20, 24, 30, 40, 60 1 16 24 1 12 32 8 10, 12, 16, 20, 24, 30, 40, 60 16 8, 10, 12, 16, 20, 24, 30, 40, 60 1 16, 20, 40, 60 160 × fOUT 4 Bypassed 4, 8, 2 16 16 1 16 32 8 4 16 1 |
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