ADC32RF82IRMPR datasheet(21/151 Pages) TI1

21 / 151 page

Frequency (MHz)

-156.25

-93.75

-31.25

31.25

93.75

156.25

-120

-100

-80

-60

-40

-20

D053

Frequency (MHz)

-138.9

-83.34

-27.78

27.78

83.34

138.9

-120

-100

-80

-60

-40

-20

D054

Frequency (MHz)

-312.5

-187.5

-62.5

62.5

187.5

312.5

-120

-100

-80

-60

-40

-20

D051

Frequency (MHz)

-208.3

-124.98

-41.66

41.66

124.98

208.3

-120

-100

-80

-60

-40

-20

D052

Frequency of Input Common-Mode Signal (MHz)

0.2

100

200

D050

Frequency (MHz)

250

500

750

1000

1250

-120

-100

-80

-60

-40

-20

D049

ADC32RF82

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SBAS869 – SEPTEMBER 2017

Product Folder Links: ADC32RF82

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Typical Characteristics (continued)

typical values are specified at an ambient temperature of 25°C; minimum and maximum values are specified over an ambient

temperature range of –40°C to +85°C; and ADC sampling rate = 2457.6 MSPS, DDC bypassed performance, 50% clock duty

cycle, AVDD19 = 1.9 V, AVDD = DVDD = 1.15 V, –2-dBFS differential input, and 0-dB digital gain (unless otherwise noted)

fCMRR = 10 MHz

Figure 51. Common-Mode Rejection Ratio FFT

Figure 52. Common-Mode Rejection Ratio vs

Tone Frequency

fIN = 900 MHz, AIN = –2 dBFS, fS = 2457.6 MSPS,

SNR = 62.8 dBFS, SFDR (includes IL) = 72 dBc

Figure 53. FFT in 4x Decimation (Complex Output)

fIN = 900 MHz, AIN = –2 dBFS, fS = 2457.6 MSPS,

SNR = 64.5 dBFS, SFDR (includes IL) = 79 dBc

Figure 54. FFT in 6x Decimation (Complex Output)

fIN = 900 MHz, AIN = –2 dBFS, fS = 2457.6 MSPS,

SNR = 65 dBFS, SFDR (includes IL) = 80 dBc

Figure 55. FFT in 8x Decimation (Complex Output)

fIN = 900 MHz, AIN = –2 dBFS, fS = 2457.6 MSPS,

SNR = 66.4 dBFS, SFDR (includes IL) = 88 dBc

Figure 56. FFT in 9x Decimation (Complex Output)

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