ADC3908CSSS datasheet(22/131 Pages) TI1

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5.13 Typical Characteristics - 65MSPS

Typical values at TA = 25 °C, ADC sampling rate = 65 MSPS, AIN = –1 dBFS, differential input, AVDD = IOVDD = 1.8 V,

internal 1.2 V voltage reference, unless otherwise noted.

Input Frequency (MHz)

30 32.5

-120

-100

-80

-60

-40

-20

SNR = 61.0 dBFS, SFDR = 64 dBc, Non-HD23 = 88 dBFS

Figure 5-24. Single Tone FFT at FIN = 1 MHz

Input Frequency (MHz)

30 32.5

-120

-100

-80

-60

-40

-20

SNR = 58.3 dBFS, SFDR = 57 dBc, Non-HD23 = 76 dBFS

Figure 5-25. Single Tone FFT at FIN = 1 MHz, Single-ended input

Input Frequency (MHz)

30 32.5

-120

-100

-80

-60

-40

-20

SNR = 61.0 dBFS, SFDR = 66 dBc, Non-HD23 = 85 dBFS

Figure 5-26. Single Tone FFT at FIN = 10 MHz

Input Frequency (MHz)

30 32.5

-120

-100

-80

-60

-40

-20

SNR = 61.3 dBFS, SFDR = 64 dBc, Non-HD23 = 84 dBFS

Figure 5-27. Single Tone FFT at FIN = 10 MHz, AIN = -20 dBFS

Input Frequency (MHz)

30 32.5

-120

-100

-80

-60

-40

-20

SNR = 60.9 dBFS, SFDR = 64 dBc, Non-HD23 = 79 dBFS

Figure 5-28. Single Tone FFT at FIN = 40 MHz

Input Frequency (MHz)

30 32.5

-120

-100

-80

-60

-40

-20

AIN = -7dBFS/tone, IMD3 = -94 dBc

Figure 5-29. Two Tone FFT at FIN = 10/12 MHz

ADC3910D125

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