ADC31RF80IRMP datasheet(13/142 Pages) TI2

13 / 142 page

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ADC31RF80

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SBAS860 – AUGUST 2017

Product Folder Links: ADC31RF80

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6.11 Typical Characteristics

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)

SNR = 63.4 dBFS; SFDR = 69 dBc;

HD2 = –69 dBc; HD3 = –71 dBc; non HD2, HD3 = 80 dBc;

IL spur = 82 dBc; fIN = 100 MHz

Figure 3. FFT for 100-MHz Input Frequency

SNR = 63.3 dBFS; SFDR = 72 dBc;

HD2 = –72 dBc; HD3 = –87 dBc; non HD2, HD3 = 85 dBc;

IL spur = 80 dBc; fIN = 100 MHz

Figure 4. FFT for 100-MHz Input Signal (fS = 2457.6 MSPS)

SNR = 60.8 dBFS; SFDR = 71 dBc;

HD2 = –71 dBc; HD3 = –80 dBc; non HD2, HD3 = 83 dBc;

IL spur = 83 dBc; fIN = 900 MHz

Figure 5. FFT for 900-MHz Input Signal

SNR = 61.4 dBFS; SFDR = 71 dBc;

HD2 = –80 dBc; HD3 = –73 dBc; non HD2, HD3 = 74 dBc;

IL spur = 80 dBc; fIN = 900 MHz

Figure 6. FFT for 900-MHz Input Signal (fS = 2457.6 MSPS)

SNR = 58.9 dBFS; SFDR = 69 dBc;

HD2 = –69 dBc; HD3 = –71 dBc; non HD2, HD3 = 77 dBc;

IL spur = 76 dBc; fIN = 1.85 GHz

Figure 7. FFT for 1850-MHz Input Signal

SNR = 58.9 dBFS; SFDR = 71 dBc;

HD2 = –71 dBc; HD3 = –75 dBc; non HD2, HD3 = 78 dBc;

IL spur = 76 dBc; fIN = 1.85 GHz

Figure 8. FFT for 1850-MHz Input Signal (fS = 2457.6 MSPS)

ADC31RF80IRMP Datasheet(PDF) 13 Page - Texas Instruments

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