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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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AD6679 데이터시트(PDF) 25 Page - Analog Devices |
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AD6679 데이터시트(HTML) 25 Page - Analog Devices |
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25 / 81 page  Data Sheet AD6679 Rev. B | Page 25 of 81 TYPICAL PERFORMANCE CHARACTERISTICS AVDD1 = 1.25 V, AVDD2 = 2.50 V, AVDD3 = 3.3 V, DVDD = 1.25 V, DRVDD = 1.25 V, SPIVDD = 1.8 V, AIN = −1.0 dBFS, VDR mode (no violation of VDR mask), clock divider = 2, otherwise default SPI settings, TA = 25°C, 128k FFT sample, unless otherwise noted. –140 –120 –100 –80 –60 –40 –20 0 0 25 50 75 100 125 150 175 200 225 250 FREQUENCY (MHz) AIN = −1dBFS SNR = 68.9dBFS ENOB = 10.9 BITS SFDR = 83dBFS BUFFER CONTROL 1 = 2.0× Figure 15. Single Tone FFT with fIN = 10.3 MHz –140 –120 –100 –80 –60 –40 –20 0 0 25 50 75 100 125 150 175 200 225 250 FREQUENCY (MHz) AIN = −1dBFS SNR = 68.7dBFS ENOB = 10.9 BITS SFDR = 84dBFS BUFFER CONTROL 1 = 2.0× Figure 16. Single-Tone FFT with fIN = 170.3 MHz –140 –120 –100 –80 –60 –40 –20 0 0 25 50 75 100 125 150 175 200 225 250 FREQUENCY (MHz) AIN = −1dBFS SNR = 67.8dBFS ENOB = 10.8 BITS SFDR = 82dBFS BUFFER CONTROL 1 = 4.5× Figure 17. Single-Tone FFT with fIN = 340.3 MHz –140 –120 –100 –80 –60 –40 –20 0 0 25 50 75 100 125 150 175 200 225 250 FREQUENCY (MHz) AIN = −1dBFS SNR = 67.3dBFS ENOB = 10.8 BITS SFDR = 86dBFS BUFFER CONTROL 1 = 4.5× Figure 18. Single-Tone FFT with fIN = 450.3 MHz –140 –120 –100 –80 –60 –40 –20 0 0 25 50 75 100 125 150 175 200 225 250 FREQUENCY (MHz) AIN = −1dBFS SNR = 63.9dBFS ENOB = 10.3 BITS SFDR = 81dBFS BUFFER CONTROL 1 = 5.0× Figure 19. Single-Tone FFT with fIN = 765.3 MHz –140 –120 –100 –80 –60 –40 –20 0 0 25 50 75 100 125 150 175 200 225 250 FREQUENCY (MHz) AIN = −1dBFS SNR = 62.8dBFS ENOB = 10.1 BITS SFDR = 76dBFS BUFFER CONTROL 1 = 5.0× Figure 20. Single-Tone FFT with fIN = 985.3 MHz |
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