Datasheet LTC2293, LTC2292, LTC2291 (Analog Devices) - 9

LTC2293/LTC2292/LTC2291
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2292: SNR and SFDR vs LTC2292: SFDR vs Input Frequency, Sample Rate, 2V Range, LTC2292: SNR vs Input Level, –1dB, 2V Range, 40Msps fIN = 5MHz, –1dB fIN = 5MHz, 2V Range, 40Msps
100 110 80 dBFS 95 SFDR 70 100 90 60 90 50 85 dBc 40 80 SFDR (dBFS) 80 30 75 SNR AND SFDR (dBFS) SNR SNR (dBc AND dBFS) 20 70 70 10 65 60 0 0 50 100 150 200 0 20 40 60 80 –60 –50 – 40 –30 –20 –10 0 INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) INPUT LEVEL (dBFS) 229321 G27 229321 G28 229321 G29
LTC2292: IOVDD vs Sample Rate, LTC2292: SFDR vs Input Level, LTC2292: 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 dBFS 100 90 6 90 80 2V RANGE dBc (mA) (mA) 70 80 4 I VDD 60 I OVDD 90dBc SFDR 1V RANGE SNR (dBc AND dBFS) 50 REFERENCE LINE 70 2 40 30 20 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) 229321 G31 229321 G32 229321 G30
LTC2291: 8192 Point FFT, LTC2291: Typical INL, LTC2291: 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 –0.25 –70 INL ERROR (LSB) DNL ERROR (LSB) AMPLITUDE (dB) –80 –0.50 –0.50 –90 –0.75 –0.75 –100 –110 –1.00 –1.00 0 1024 2048 3072 4096 0 1024 2048 3072 4096 –120 0 2 4 6 8 10 12 CODE CODE FREQUENCY (MHz) 229321 G33 229321 G34 229321 G35 229321fa 9