AD9609 datasheet(11/32 Pages) AD

11 / 32 page

AD9609

Rev. 0 | Page 11 of 32

TYPICAL PERFORMANCE CHARACTERISTICS

AD9609-80

AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = −1.0 dBFS, 50% duty

cycle clock, DCS disabled, unless otherwise noted.

10152025303540

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FREQUENCY (MHz)

80MSPS

9.7MHz @ –1dBFS

SNR = 60.5dB (61.5dBFS)

SFDR = 80.3dBc

Figure 4. AD9609-80 Single-Tone FFT with fIN = 9.7 MHz

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FREQUENCY (MHz)

80MSPS

70.3MHz @ –1dBFS

SNR = 60.4dB (61.4dBFS)

SFDR = 82.2dBc

Figure 5. AD9609-80 Single-Tone FFT with fIN = 70.3 MHz

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FREQUENCY (MHz)

80MSPS

30.5MHz @ –7dBFS

32.5MHz @ –7dBFS

SFDR = 78dBc

F2 – F1

2F1 – F2

2F2 + F1

2F1 – F2

F1 + F2

Figure 6. AD9609-80 Two-Tone FFT with fIN1 = 30.5 MHz and fIN2 = 32.5 MHz

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10152025303540

FREQUENCY (MHz)

80MSPS

30.5MHz @ –1dBFS

SNR = 60.5dB (61.5dBFS)

SFDR = 83.5dBc

Figure 7. AD9609-80 Single-Tone FFT with fIN = 30.5 MHz

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FREQUENCY (MHz)

80MSPS

200MHz @ –1dBFS

SNR = 60.1dB (60.1dBFS)

SFDR = 74.176dBc

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Figure 8. AD9609-80 Single-Tone FFT with fIN = 200 MHz

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INPUT AMPLITUDE (dBFS)

SFDR (dBc)

SFDR (dBFS)

IMD3 (dBc)

IMD3 (dBFS)

Figure 9. Two-Tone SFDR/IMD3 vs. Input Amplitude (AIN) with fIN1 = 30.5 MHz

and fIN2 = 32.5 MHz

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