ADC32RF55 datasheet(21/126 Pages) TI

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6.12 Typical Characteristics - ADC32RF54 (continued)

Typical values are at TA = 25°C, ADC sampling rate = 2.6 GSPS, LMFS = 8224, 50% clock duty cycle, AVDD18 = 1.8 V,

AVDD12, CLKVDD, DVDD = 1.2 V and –1-dBFS differential input, unless otherwise noted

SNR = 61.0 dBFS, SFDR = 62 dBc, Non HD23 = 80 dBFS

AIN = -1 dBFS, 1x AVG, Dither = DIS

Figure 6-7. Single Tone FFT at FIN = 1400 MHz

Input Frequency (MHz)

200

400

600

800

1000

1200

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

SNR = 62.5 dBFS1, SFDR = 79 dBc, Non HD23 = 88 dBFS

AIN = -4 dBFS, 1x AVG, Dither = EN

Figure 6-8. Single Tone FFT at FIN = 1400 MHz

SNR = 60.9 dBFS, SFDR = 60 dBc, Non HD23 = 77 dBFS

AIN = -1 dBFS, 1x AVG, Dither = DIS

Figure 6-9. Single Tone FFT at FIN = 1900 MHz

Input Frequency (MHz)

200

400

600

800

1000

1200

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

SNR = 62.3 dBFS1, SFDR = 61 dBc, Non HD23 = 79 dBFS

AIN = -4 dBFS, 1x AVG, Dither = EN

Figure 6-10. Single Tone FFT at FIN = 1900 MHz

SNR = 60.2 dBFS, SFDR = 58 dBc, Non HD23 = 76 dBFS

AIN = -1 dBFS, 1x AVG, Dither = DIS

Figure 6-11. Single Tone FFT at FIN = 2200 MHz

Input Frequency (MHz)

200

400

600

800

1000

1200

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

SNR = 62.6 dBFS1, SFDR = 61 dBc, Non HD23 = 79 dBFS

AIN = -4 dBFS, 1x AVG, Dither = EN

Figure 6-12. Single Tone FFT at FIN = 2200 MHz

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ADC32RF54, ADC32RF55

SBAS500A – JUNE 2022 – REVISED DECEMBER 2022

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