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DAC39J84IAAVR bảng dữ liệu(PDF) 20 Page - Texas Instruments |
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DAC39J84IAAVR bảng dữ liệu(HTML) 20 Page - Texas Instruments |
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20 / 146 page ![]() Output Frequency (MHz) 0 50 100 150 200 250 300 350 400 450 500 30 40 50 60 70 80 90 100 D001 PLL off PLL on Frequency (MHz) 67.5 68.5 69.5 70.5 71.5 72.5 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 D001 Output Frequency (MHz) 0 100 200 300 400 500 600 700 800 900 30 40 50 60 70 80 90 100 D001 fDAC = 2800MSPS fDAC = 2500MSPS fDAC = 2000MSPS fDAC = 1600MSPS fDAC = 1250MSPS Output Frequency (MHz) 0 100 200 300 400 500 600 700 800 900 10 20 30 40 50 60 70 80 90 100 D001 IoutFS = 30mA, w/ 2:1 transformer IoutFS = 20mA, w/ 2:1 transformer IoutFS = 10mA, w/ 2:1 transformer Output Frequency (MHz) 0 100 200 300 400 500 600 700 800 900 20 30 40 50 60 70 80 90 100 D001 0dBFS -6dBFS -12dBFS Output Frequency (MHz) 0 50 100 150 200 250 300 350 400 450 500 30 40 50 60 70 80 90 100 D001 fdata = 1230MSPS, 2x interpolation fdata = 625MSPS, 4x interpolation fdata = 312.5MSPS, 8x interpolation fdata = 156.25MSPS, 16x interpolation DAC39J84 SLASE48A – NOVEMBER 2014 – REVISED JANUARY 2015 www.ti.com Typical Characteristics (continued) Unless otherwise noted, all plots are at TA = 25°C, VDDDAC09, VDDCLK09, VDDDIG09 and VDDT09 are at 0.9V, other supplies are at nominal supply voltages, fDAC = 2800MSPS, 4x interpolation, 0dBFS digital input, 20mA full scale output current with 2:1 transformer, LMF = 841 and PLL is disabled. Figure 13. IMD3 vs Output Frequency Over Input Scale Figure 14. IMD3 vs Output Frequency Over Interpolation 4x interpolation for fdac = 2800 msps, 2x interpolation for other cases. Figure 16. IMD3 vs Output Frequency Over Output Current Figure 15. IMD3 vs Output Frequency Over fDAC IoutFS fref = fDAC/4, M = 32, N = 8, Prescaler = 2 for PLL On, IF = 70MHz, Tone Spacing = 1MHz fDAC=2500MSPS, 2x interpolation. Figure 18. Two-tone Spectral Plot Figure 17. IMD3 vs Output Frequency Over Clocking Options 20 Submit Documentation Feedback Copyright © 2014–2015, Texas Instruments Incorporated Product Folder Links: DAC39J84 |
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