AD9218 datasheet(11/24 Pages) AD

11 / 24 page

REV. 0

AD9218

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ENCODE = 31MSPS

AIN = 8MHz AT –0.5dBFS

SNR = 59.23dB

SINAD = 59.1dB

H2 = –87dB

H3 = –81dB

15.5

TPC 7. FFT: FS = 31 MSPS, AIN = 8 MHz @ –0.5 dBFS,

Differential, 1 V p-p Input Range

AIN FREQUENCY – MHz

050

2ND

3RD

SFDR

100

150

200

250

TPC 8. Harmonic Distortion (Second and Third) and SFDR

vs. AIN Frequency (1 V p-p, FS = 105 MSPS)

AIN FREQUENCY – MHz

050

2ND

3RD

SFDR

100

150

200

250

TPC 9. Harmonic Distortion (Second and Third) and SFDR

vs. AIN Frequency (1 V p-p, FS = 80 MSPS)

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ENCODE = 31MSPS

AIN = 8MHz AT –0.5dBFS

SNR = 59dB

SINAD = 58.8dB

H2 = –78.7dB

H3 = –72.9dB

15.5

TPC 10. FFT: FS = 31 MSPS, AIN = 8 MHz @ –0.5 dBFS;

with AD8138 Driving ADC Inputs, 1 V p-p Input Range

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52.5

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ENCODE = 105MSPS

AIN1 = 30.1MHz AT –7dBFS

AIN2 = 31.1MHz AT –7dBFS

SFDR = –67dBFS

TPC 11. Two–Tone Intermodulation Distortion (30 MHz

and 31 MHz; 1 V p-p, FS = 105 MSPS)

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ENCODE = 80MSPS

AIN1 = 29.3MHz AT –7dBFS

AIN2 = 30.3MHz AT –7dBFS

SFDR = –77dBFS

TPC 12. Two–Tone Intermodulation Distortion (29.3 MHz,

30.3 MHz; 1 V p-p, FS = 80 MSPS)

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