Datasheet LTC2273, LTC2272 (Analog Devices) - 10

LTC2273/LTC2272
TYPICAL PERFORMANCE CHARACTERISTICS VDD = 3.3V, OVDD = 1.5V, TA = 25°C, FS = 80Msps, unless otherwise noted. LTC2273: 64k Point FFT, LTC2273: SFDR vs Input fIN = 250.2MHz, –1dBFS, PGA = 1 Frequency LTC2273: SNR vs Input Frequency
0 105 78 –10 100 –20 –30 95 76 –40 –50 ) 90 ) (dBFS) S PGA = 0 –60 (dBc PGA = 1 85 (dBF 74 PGA = 1 –70 DR R –80 SF 80 SN PGA = 0 AMPLITUDE –90 –100 75 72 –110 70 –120 –130 65 70 0 10 20 30 40 0 100 200 300 400 0 100 200 300 400 FREQUENCY (MHz) INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) 22732 G19 22732 G20 22732 G21
LTC2273: SNR and SFDR vs LTC2273: SNR and SFDR vs Supply Voltage (VDD), Sample Rate, fIN = 5.1MHz fIN = 5.2MHz
110 110 105 SFDR 105 SFDR 100 100 95 95 90 90 85 85 80 SNR SNR AND SFDR (dBFS) 80 SNR SNR (dBFS) AND SFDR (dBC) 75 75 70 70 20 40 60 80 100 120 2.8 3.0 3.2 3.4 SAMPLE RATE (Msps) SUPPLY VOLTAGE (V) 22732 G22 22732 G23
LTC2273: SFDR vs Analog Input Common Mode Voltage, 5MHz LTC2273: IVDD vs Sample Rate, and 70MHz, –1dBFS 5MHz Sine, –1dBFS
110 400 105 5MHz VDD = 3.3V 100 360 95 V ) DD = 3.47V 90 (dBc (mA) 85 70MHz 320 VDD = 3.13V DR DD 80 IV SF 75 280 70 65 60 240 0.50 0.75 1.00 1.25 1.50 1.75 2.00 20 45 70 95 120 ANALOG INPUT COMMON MODE VOLTAGE (V) SAMPLE RATE (Msps) 22732 G25 22732 G24 22732fa 10