Datasheet LTC2288, LTC2287, LTC2286 (Analog Devices) - 9

LTC2288/LTC2287/LTC2286
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2287: SNR and SFDR vs LTC2287: SFDR vs Input Frequency, Sample Rate, 2V Range, LTC2287: SNR vs Input Level, –1dB, 2V Range, 40Msps fIN = 5MHz, –1dB fIN = 5MHz, 2V Range, 40Msps
100 100 80 SFDR 95 70 90 dBFS 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 10 20 30 40 50 60 70 80 –60 –50 –40 –30 –20 –10 0 INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) INPUT LEVEL (dBFS) 228876 G26 228876 G27 228876 G28
LTC2287: IOVDD vs Sample Rate, LTC2287: SFDR vs Input Level, LTC2287: I 5MHz Sine Wave Input, –1dB, VDD vs Sample Rate, f 5MHz Sine Wave Input, –1dB O IN = 5MHz, 2V Range, 40Msps VDD = 1.8V
120 100 8 110 100 90 90 6 dBFS 80 70 2V RANGE dBc (mA) (mA) 60 80 4 80dBc SFDR 50 I VDD I OVDD REFERENCE LINE 40 1V RANGE SFDR (dBc AND dBFS) 30 70 2 20 10 0 60 0 –60 –50 –40 –30 –20 –10 0 0 10 20 30 40 50 0 10 20 30 40 50 SAMPLE RATE (Msps) SAMPLE RATE (Msps) INPUT LEVEL (dBFS) 228876 G30 228876 G31 228876 G29
LTC2286: 8192 Point FFT, LTC2286: Typical INL, LTC2286: Typical DNL, fIN = 5MHz, –1dB, 2V Range, 2V Range, 25Msps 2V Range, 25Msps 25Msps
1.00 1.00 0 –10 0.75 0.75 –20 0.50 0.50 –30 –40 0.25 0.25 –50 0 0 –60 –0.25 –70 INL ERROR (LSB) –0.25 DNL ERROR (LSB) AMPLITUDE (dB) –80 –0.50 –0.50 –90 –0.75 –100 –0.75 –110 –1.00 0 –1.00 256 512 768 1024 –120 0 256 512 768 1024 0 2 4 6 8 10 12 CODE CODE FREQUENCY (MHz) 228876 G32 228876 G33 228876 G34 228876fa 9