Datasheet LTC2298, LTC2297, LTC2296 (Analog Devices) - 9

LTC2298/LTC2297/LTC2296
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2297: SNR and SFDR vs LTC2297: SFDR vs Input Frequency, Sample Rate, 2V Range, LTC2297: SNR vs Input Level, –1dB, 2V Range, 40Msps fIN = 5MHz, –1dB fIN = 5MHz, 2V Range, 40Msps
100 110 80 dBFS 95 70 SFDR 100 60 90 90 50 85 dBc 40 80 SFDR (dBFS) 80 30 SNR 75 SNR AND SFDR (dBFS) 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) 2297 G10 2297 G11 2297 G12
LTC2297: IOVDD vs Sample Rate, LTC2297: SFDR vs Input Level, LTC2297: 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 dBc 2V RANGE (mA) 70 (mA) 80 4 60 90dBc SFDR I VDD I OVDD REFERENCE LINE SNR (dBc AND dBFS) 50 1V RANGE 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 INPUT LEVEL (dBFS) SAMPLE RATE (Msps) SAMPLE RATE (Msps) 2297 G13 2297 G14 2297 G15
LTC2296: 8192 Point FFT, LTC2296: Typical INL, LTC2296: Typical DNL, fIN = 5MHz, –1dB, 2V Range, 2V Range, 25Msps 2V Range, 25Msps 25Msps
2.0 1.00 0 –10 1.5 0.75 –20 1.0 0.50 –30 –40 0.5 0.25 –50 0 0 –60 –70 –0.5 –0.25 INL ERROR (LSB) AMPLITUDE (dB) DNL ERROR (LSB) –80 –1.0 –0.50 –90 –100 –1.5 –0.75 –110 –2.0 –1.00 –120 0 4096 8192 12288 16384 0 4096 8192 12288 16384 0 2 4 6 8 10 12 CODE CODE FREQUENCY (MHz) 2296 G01 2296 G02 2296 G03 229876fa 9