AD9691 datasheet(13/73 Pages) AD

13 / 73 page

AD9691

Data Sheet

Rev. 0 | Page 12 of 72

TYPICAL PERFORMANCE CHARACTERISTICS

AVDD1 = 1.25 V, AVDD1_SR = 1.25 V, AVDD2 = 2.50 V, AVDD3 = 3.3 V, DVDD = 1.25 V, DRVDD = 1.25 V, SPIVDD = 1.8 V, specified

maximum sampling rate (1250 MSPS), 1.58 V p-p full-scale differential input, AIN = −1.0 dBFS, default SPI settings, clock divider = 2,

TA = 25°C, 128k FFT sample, unless otherwise noted.

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FREQUENCY (MHz)

AIN = –1dBFS

SNR = 64.6dBFS

ENOB = 10.4 BITS

SFDR = 87dBFS

BUFFER CURRENT = 3.5×

Figure 6. Single-Tone FFT with fIN = 10.3 MHz

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FREQUENCY (MHz)

AIN = –1dBFS

SNR = 64.2dBFS

ENOB = 10.3 BITS

SFDR = 79dBFS

BUFFER CURRENT = 3.5×

Figure 7. Single-Tone FFT with fIN = 170.3 MHz

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FREQUENCY (MHz)

AIN = –1dBFS

SNR = 63.4dBFS

ENOB = 10.2 BITS

SFDR = 77dBFS

BUFFER CURRENT = 3.5×

Figure 8. Single-Tone FFT with fIN = 340.3 MHz

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FREQUENCY (MHz)

AIN = –1dBFS

SNR = 62.9dBFS

ENOB = 10.0 BITS

SFDR = 72dBFS

BUFFER CURRENT = 3.5×

Figure 9. Single-Tone FFT with fIN = 450.3 MHz

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FREQUENCY (MHz)

AIN = –1dBFS

SNR = 61.7dBFS

ENOB = 9.9 BITS

SFDR = 73dBFS

BUFFER CURRENT = 4.5×

Figure 10. Single-Tone FFT with fIN = 752.3 MHz

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FREQUENCY (MHz)

AIN = –1dBFS

SNR = 59.7dBFS

ENOB = 6.9 BITS

SFDR = 72dBFS

BUFFER CURRENT = 4.5×

Figure 11. Single-Tone FFT with fIN = 985.3 MHz

AD9691 Datasheet(PDF) 13 Page - Analog Devices

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