Datasheet LTC2280 (Analog Devices) - 7

LTC2280
W U TYPICAL PERFOR A CE CHARACTERISTICS SNR vs Input Frequency, –1dB, SFDR vs Input Frequency, –1dB, SNR and SFDR vs Sample Rate, 2V Range, 105Msps 2V Range, 105Msps 2V Range, fIN = 5MHz, –1dB
65 95 90 64 SFDR 90 63 80 62 85 61 60 80 70 SNR (dBFS) 59 SFDR (dBFS) 75 SNR 58 SNR AND SFDR (dBFS) 60 57 70 56 55 65 50 0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350 0 20 40 60 80 100 120 140 INPUT FREQUENCY (MHz) 2280 G10 INPUT FREQUENCY (MHz) 2280 G11 SAMPLE RATE (Msps) 2280 G12
SNR vs Input Level, SFDR vs Input Level, IVDD vs Sample Rate, fIN = 70MHz, 2V Range, 105Msps fIN = 70MHz, 2V Range, 105Msps 5MHz Sine Wave Input, –1dB
80 100 200 dBFS 90 190 70 dBFS 80 180 60 70 dBc 170 50 60 2V RANGE 160 40 50 (mA) 1V RANGE DD dBc 150 40 IV 30 140 SNR (dBc AND dBFS) SFDR (dBc AND dBFS) 30 20 130 20 10 10 120 0 0 110 –50 –40 –30 –20 –10 0 –50 –40 –30 –20 –10 0 0 20 40 60 80 100 120 INPUT LEVEL (dBFS) 2280 G13 INPUT LEVEL (dBFS) 2280 G14 SAMPLE RATE (Msps) 2280 G15
IOVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB, OVDD = 1.8V SNR vs SENSE, fIN = 5MHz, –1dB
17.5 61.8 15.0 61.6 61.4 12.5 61.2 10.0 (mA) 61.0 7.5 I OVDD SNR (dBFS) 60.8 5.0 60.6 2.5 60.4 0 60.2 0 20 40 60 80 100 120 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 SAMPLE RATE (Msps) 2280 G16 SENSE PIN (V) 2280 G17 2280fa 7