Datasheet LTC2288, LTC2287, LTC2286 (Analog Devices) - 10

LTC2288/LTC2287/LTC2286
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2286: 8192 Point FFT, LTC2286: 8192 Point FFT, LTC2286: 8192 Point FFT, fIN = 30MHz, –1dB, 2V Range, fIN = 70MHz, –1dB, 2V Range, fIN = 140MHz, –1dB, 2V Range, 25Msps 25Msps 25Msps
0 0 0 –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 AMPLITUDE (dB) –80 AMPLITUDE (dB) –80 AMPLITUDE (dB) –80 –90 –90 –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 0 2 4 6 8 10 12 0 2 4 6 8 10 12 0 2 4 6 8 10 12 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 228876 G36 228876 G35 228876 G37
LTC2286: 8192 Point 2-Tone FFT, fIN = 10.9MHz and 13.8MHz, LTC2286: Grounded Input LTC2286: SNR vs Input Frequency, –1dB, 2V Range, 25Msps Histogram, 25Msps –1dB, 2V Range, 25Msps
0 70000 65520 62.5 –10 60000 –20 61.5 –30 50000 –40 –50 40000 60.5 –60 COUNT –70 30000 SNR (dBFS) 59.5 AMPLITUDE (dB) –80 20000 –90 58.5 –100 10000 –110 0 0 –120 0 57.5 0 2 4 6 8 10 12 511 512 513 0 50 100 150 200 FREQUENCY (MHz) CODE INPUT FREQUENCY (MHz) 228876 G38 228876 G39 228876 G40
LTC2286: SFDR vs Input LTC2286: SNR and SFDR vs Frequency, –1dB, 2V Range, Sample Rate, 2V Range, LTC2286: SNR vs Input Level, 25Msps fIN = 5MHz, –1dB fIN = 5MHz, 2V Range, 25Msps
100 100 80 SFDR 95 70 dBFS 90 60 90 80 50 85 dBc 40 80 SFDR (dBFS) 70 30 75 SNR AND SFDR (dBFS) SNR SNR (dBc AND dBFS) 20 60 70 10 65 50 0 0 50 100 150 200 0 5 10 15 20 25 30 35 40 45 50 –60 –50 –40 –30 –20 –10 0 INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) INPUT LEVEL (dBFS) 228876 G41 228876 G42 228876 G43 228876fa 10