ADC32RF83 datasheet(23/138 Pages) TI

23 / 138 page

Frequency of Input Common-Mode Signal (MHz)

100

150

200

250

D043

Input Frequency (MHz)

-375

-225

-75

225

375

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

D044

Frequency of Signal on Supply (MHz)

0.02 0.05

0.2

0.5 1

2 3 45 7 10 20

50 100 200 500

D041

PSRR with 50-mVpp Signal on AVDD

PSRR with 50-mVpp Signal on AVDD19

Input Frequency (MHz)

300

600

900

1200

1500

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

D042

Input Frequency (MHz)

300

600

900

1200

1500

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

D040

Input Clock Duty Cycle (%)

D039

SNR

SFDR

ADC32RF80, ADC32RF83

www.ti.com

SBAS774A – MAY 2016 – REVISED DECEMBER 2016

Product Folder Links: ADC32RF80 ADC32RF83

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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 = 2949.12 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)

fIN = 3.5 GHz, AIN = –3 dBFS with 2-dB digital gain

Figure 63. Performance vs Clock Duty Cycle

fIN = 3.5 GHz, AIN = –3 dBFS, PSRR = 37 dB,

fPSRR = 3 MHz, APSRR = 50 mVPP, AVDD = 1.9 V

Figure 64. Power-Supply Rejection Ratio FFT for

Test Signal on AVDD Supply

Figure 65. Power-Supply Rejection Ratio vs

Tone Frequency

CMRR = 32 dB, fCMRR = 32 dB, APSRR = 50 mVPP

Figure 66. Common-Mode Rejection Ratio FFT

fIN = 1.8 GHz, AOUT = –2 dBFS

Figure 67. Common-Mode Rejection Ratio vs

Tone Frequency

fIN = 1.78 GHz, AIN = –2 dBFS, fS = 2949.12 MSPS,

SNR = 60.6 dBFS, SFDR (includes IL) = 75 dBc

Figure 68. FFT in 4X Decimation (Complex Output)

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