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ADS5483IRGCTG4 Datasheet(PDF) 11 Page - Texas Instruments |
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ADS5483IRGCTG4 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 42 page Input Amplitude − dBFS 0 10 20 30 40 50 60 70 80 90 100 110 120 130 −100 −90 −80 −70 −60 −50 −40 −30 −20 −10 0 G009 fS = 80 MSPS fIN = 70 MHz AIN = 0 to −100 dBFS 256k Point FFT SFDR (dBFS, Dither ON) SNR (dBc, Dither ON) SNR (dBFS, Dither ON) SFDR (dBc, Dither OFF) SFDR (dBFS, Dither OFF) SFDR (dBc, Dither ON) Input Amplitude − dBFS 60 65 70 75 80 85 90 95 100 −40 −36 −32 −28 −24 −20 −16 −12 −8 −4 0 G010 fS = 80 MSPS fIN = 70 MHz AIN = 0 to −40 dBFS 256k Point FFT SFDR (dBc, Dither OFF) SFDR (dBc, Dither ON) f − Frequency − MHz −130 −120 −110 −100 −90 −80 −70 −60 −50 −40 −30 −20 −10 0 0 10 20 30 40 G011 fIN1 = 29.5 MHz, –7 dBFS fIN2 = 30.5 MHz, –7 dBFS IMD3 = 101 dBFS SFDR = 101 dBFS SNR = 80.9 dBFS Dither Enabled, CLK = 80 MSPS f − Frequency − MHz −130 −120 −110 −100 −90 −80 −70 −60 −50 −40 −30 −20 −10 0 0 10 20 30 40 G012 fIN1 = 69.5 MHz, –7 dBFS fIN2 = 70.5 MHz, –7 dBFS IMD3 = 95 dBFS SFDR = 95 dBFS SNR = 80.5 dBFS Dither Enabled, CLK = 80 MSPS ADS5481 ADS5482 ADS5483 www.ti.com................................................................................................................................................... SLAS565A – JUNE 2008 – REVISED NOVEMBER 2008 TYPICAL CHARACTERISTICS (continued) At TA = +25°C, sampling rate = max rated, 50% clock duty cycle, 3-VPP differential sinusoidal clock, analog input amplitude = –1 dBFS, AVDD5 = 5 V, AVDD3 = 3.3 V, and DVDD3 = 3.3 V, unless otherwise noted. ADS5481 AC PERFORMANCE ADS5481 SFDR vs vs INPUT AMPLITUDE (70 MHz Input Signal) INPUT AMPLITUDE (70 MHz Input Signal) Figure 6. Figure 7. ADS5481 TWO-TONE INTERMODULATION DISTORTION ADS5481 TWO-TONE INTERMODULATION DISTORTION (FFT for 29.5 MHz and 30.5 MHz at –7 dBFS) (FFT for 69.5 MHz and 70.5 MHz at –7 dBFS) Figure 8. Figure 9. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Link(s): ADS5481 ADS5482 ADS5483 |
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