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ADS4225 Datasheet(PDF) 53 Page - Texas Instruments |
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ADS4225 Datasheet(HTML) 53 Page - Texas Instruments |
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53 / 104 page ![]() −120 −100 −80 −60 −40 −20 0 0 5 10 15 20 25 30 32.5 Frequency (MHz) Each Tone at −7dBFS Amplitude fIN1 =46MHz fIN2 =50MHz Two−Tone IMD = 98dBFS SFDR = 102.7dBFS 65 70 75 80 85 90 95 0 50 100 150 200 250 300 350 400 450 500 Input Frequency (MHz) Gain = 0dB Gain = 6dB 63 64 65 66 67 68 69 70 71 72 73 74 0 50 100 150 200 250 300 350 400 450 500 Input Frequency (MHz) Gain = 0dB Gain = 6dB 63 64 65 66 67 68 69 70 71 72 73 74 0 50 100 150 200 250 300 350 400 450 500 Input Frequency (MHz) Gain = 0dB Gain = 6dB ADS4222, ADS4225, ADS4226 ADS4242, ADS4245, ADS4246 www.ti.com SBAS533C – MARCH 2011 – REVISED JUNE 2011 TYPICAL CHARACTERISTICS: ADS4242 (continued) At TA = +25°C, AVDD = 1.8V, DRVDD = 1.8V, maximum rated sampling frequency, sine wave input clock, 1.5VPP differential clock amplitude, 50% clock duty cycle, –1dBFS differential analog input, High-Performance Mode disabled, 0dB gain, DDR LVDS output interface, and 32k point FFT, unless otherwise noted. FFT FOR TWO-TONE INPUT SIGNAL SFDR vs INPUT FREQUENCY Figure 64. Figure 65. SNR vs INPUT FREQUENCY SNR vs INPUT FREQUENCY (CMOS) Figure 66. Figure 67. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 53 Product Folder Link(s): ADS4222 ADS4225 ADS4226 ADS4242 ADS4245 ADS4246 |
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