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AFE5808ZCF 数据表(PDF) 11 Page - Texas Instruments |
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AFE5808ZCF 数据表(HTML) 11 Page - Texas Instruments |
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11 / 68 page ![]() 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 Vcntl (V) Low noise Medium power Low power 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 Vcntl (V) −40 deg C 25 deg C 85 deg C −0.4 −0.3 −0.2 −0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0 50 100 150 200 250 300 −0.4 −0.3 −0.2 −0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 Gain Error (dB) −0.6 −0.5 −0.4 −0.3 −0.2 −0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0 50 100 150 200 250 −0.6 −0.5 −0.4 −0.3 −0.2 −0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 Gain Error (dB) AFE5808 www.ti.com SLOS688C – SEPTEMBER 2010 – REVISED APRIL 2012 TYPICAL CHARACTERISTICS AVDD_5V = 5V, AVDD = 3.3V, AVDD_ADC = 1.8V, DVDD = 1.8V, ac-coupled with 0.1µF caps at INP and 15nF caps at INM, No active termination, VCNTL = 0V, FIN = 5MHz, LNA = 18dB, PGA = 24dB, 14Bit, sample rate = 65MSPS, LPF Filter = 15MHz, low noise mode, VOUT = -1dBFS, 500Ω CW feedback resistor, CMOS 16X clock, ADC is configured in internal reference mode, Single-ended VCNTL mode, VCNTLM = GND. at ambient temperature TA = +25C, unless otherwise noted. SPACER Figure 2. Gain vs. VCNTL, LNA = 18dB and PGA = 24dB Figure 3. Gain Variation vs. Temperature, LNA = 18dB and PGA = 24dB Figure 4. Gain Matching Histogram, VCNTL = 0.3V Figure 5. Gain Matching Histogram, VCNTL = 0.6V (936 channels) (936 channels) Copyright © 2010–2012, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Link(s): AFE5808 |
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