Datasheet LTC2228, LTC2227, LTC2226 (Analog Devices) - 7

LTC2228/LTC2227/LTC2226
TYPICAL PERFORMANCE CHARACTERISTICS LTC2228: SFDR vs Input Frequency, LTC2228: SNR and SFDR vs Sample LTC2228: SNR and SFDR vs Clock –1dB, 2V Range, 65Msps Rate, 2V Range,fIN = 5MHz, –1dB Duty Cycle, 65Msps
100 110 100 95 SFDR: DCS ON 95 100 SFDR SFDR: DCS OFF 90 90 90 85 85 80 80 SFDR (dBFS) 80 75 SNR AND SFDR (dBFS) SNR SNR AND SFDR (dBFS) 75 70 SNR: DCS ON 70 70 SNR: DCS OFF 65 60 65 0 50 100 150 200 0 20 40 60 80 100 30 35 40 45 50 55 60 65 70 INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) CLOCK DUTY CYCLE (%) 2228 G10 2228 G11 2228 G12
LTC2228: SNR vs Input Level, LTC2228: SFDR vs Input Level, fIN = 30MHz, 2V Range, 65Msps fIN = 30MHz, 2V Range, 65Msps
80 120 dBFS 110 70 dBFS 100 60 90 50 dBc 80 dBc 40 70 60 30 90dBc SFDR REFERENCE LINE SNR (dBc AND dBFS) SFDR (dBc AND dBFS) 50 20 40 10 30 0 20 –60 –50 –40 –30 –20 –10 0 –60 –50 –40 –30 –20 –10 0 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 2228 G13 2228 G14
LTC2228: IOVDD vs Sample Rate, LTC2228: IVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB, 5mHz Sine Wave Input, –1dB OVDD = 1.8V
80 6 75 5 70 4 2V RANGE (mA) (mA) 65 3 I VDD 1V RANGE I OVDD 60 2 55 1 50 0 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 SAMPLE RATE (Msps) SAMPLE RATE (Msps) 2228 G15 2228 G16 222876fb 7