AD9265-80EBZ datasheet(16/45 Pages) AD

16 / 45 page

Data Sheet

AD9265

Rev. C | Page 15 of 44

TYPICAL PERFORMANCE CHARACTERISTICS

AVDD = 1.8 V, DRVDD = 1.8 V, SVDD = 1.8 V, sample rate = 125 MSPS, DCS enabled, 1.0 V internal reference, 2 V p-p differential input,

VIN = −1.0 dBFS, and 32k sample, TA = 25°C, unless otherwise noted.

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FREQUENCY (MHz)

80MSPS

2.4MHz @ –1dBFS

SNR = 79.2dB (80.2dBFS)

SFDR = 88.2dBc

SECOND

HARMONIC

THIRD

HARMONIC

Figure 6. AD9265-80 Single-Tone FFT with fIN = 2.4 MHz

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FREQUENCY (MHz)

80MSPS

70.1MHz @ –1dBFS

SNR = 78.7dB (79.7dBFS)

SFDR = 93.8dBc

SECOND

HARMONIC

THIRD

HARMONIC

Figure 7. AD9265-80 Single-Tone FFT with fIN = 70.1 MHz

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FREQUENCY (MHz)

80MSPS

140.1MHz @ –1dBFS

SNR = 77.7dB (78.7dBFS)

SFDR = 82.2dBc

SECOND

HARMONIC

THIRD

HARMONIC

Figure 8. AD9265-80 Single-Tone FFT with fIN = 140.1 MHz

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FREQUENCY (MHz)

80MSPS

200.3MHz @ –1dBFS

SNR = 76.5dB (77.5dBFS)

SFDR = 81.2dBc

SECOND

HARMONIC

THIRD

HARMONIC

Figure 9. AD9265-80 Single-Tone FFT with fIN = 200.3 MHz

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FREQUENCY (MHz)

80MSPS

70.1MHz @ –6dBFS

SNR = 74.0dB (80.0dBFS)

SFDR = 100dBc

SECOND

HARMONIC

THIRD

HARMONIC

Figure 10. AD9265-80 Single-Tone FFT with fIN = 70.1 MHz @ −6 dBFS with

Dither Enabled

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INPUT AMPLITUDE (dBFS)

SNR (dBFS)

SFDR (dBc)

SNR (dBc)

SFDR (dBFS)

Figure 11. AD9265-80 Single-Tone SNR/SFDR vs. Input Amplitude (AIN) with

fIN = 98.12 MHz

AD9265-80EBZ Datasheet(PDF) 16 Page - Analog Devices

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