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AFE5804 bảng dữ liệu(PDF) 27 Page - Texas Instruments |
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AFE5804 bảng dữ liệu(HTML) 27 Page - Texas Instruments |
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27 / 60 page ![]() 1.0 0.5 0 - - 0.5 1.0 Time( s) m 0 10 5 TGCIMode PGA=30dB V =0Vto1.2V,40MSPS CNTL 15 V CNTL 1.0 0.5 0 - - 0.5 1.0 Time( s) m 0 20 10 TGCIMode PGA=30dB V =0.4V,40MSPS CNTL 30 5 15 25 PD On=25 s Off=15 s m m 68 67 66 65 64 63 62 61 60 59 58 57 56 V (V) CNTL 0 1.2 0.3 0.2 0.1 0.4 1.1 0.5 1.0 0.9 0.8 0.7 0.6 SNR SNRD TGCIMode Input= 44.2dBm Frequency=5MHz - PGA=30dB PGA=20dB 9k 8k 7k 6k 5k 4k 3k 2k 1k 0 100M 100 80 60 40 20 0 -100 -80 -20 -40 -60 Frequency(Hz) 100k 1M 10M Magnitude(Z ) IN Phase 120 100 80 60 40 20 0 ADCFrequency(MSPS) 10 50 40 30 20 AVDD1 LVDD 0 - - - - - - 20 40 60 80 100 120 Frequency(MHz) 1.80 2.20 1.95 1.90 1.85 2.00 TGCIMode PGA=30dB V =1V CNTL 2.05 2.10 2.15 -32 -6 -85 AFE5804 www.ti.com ................................................................................................................................................ SBOS442A – JUNE 2008 – REVISED SEPTEMBER 2008 TYPICAL CHARACTERISTICS (continued) AVDD_5V = 5.0V, AVDD1 = VDD2 = DVDD = 3.3V, LVDD = 1.8V, single-ended input into LNA, ac-coupled with 1.0 µF, VCNTL = 1.0V, fIN 5MHz, Clock = 40MSPS, 50% duty cycle, internal reference mode, ISET = 56kΩ, LVDS buffer setting = 3.5mA, at ambient temperature TA = +25°C, unless otherwise noted. VCNTL RESPONSE TIME PARTIAL POWER-DOWN/POWER-UP RESPONSE TIME Figure 79. Figure 80. SNR AND SNRD vs VCNTL MAGNITUDE AND PHASE vs FREQUENCY Figure 81. Figure 82. INTERMODULATION DISTORTION MSPS vs LVDD AND AVDD1 CURRENTS (1.99MHz and 2.01MHz) Figure 83. Figure 84. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 27 Product Folder Link(s): AFE5804 |
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