Datasheet LTC2220, LTC2221 (Analog Devices) - 7

LTC2220/LTC2221
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2220: SFDR (HD2 and HD3) LTC2220: SFDR (HD4+) vs Input LTC2220: SFDR (HD4+) vs Input vs Input Frequency, –1dB, 1V Frequency, –1dB, 2V Range, Frequency, –1dB, 1V Range, Range, LVDS Mode LVDS Mode LVDS Mode
100 100 100 90 90 90 80 80 80 70 70 70 SFDR (dBFS) SFDR (dBFS) SFDR (dBFS) 60 60 60 50 50 50 40 40 40 0 100 200 300 400 500 600 0 100 200 300 400 500 600 0 100 200 300 400 500 600 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) 2220 G07 2220 G08 2220 G09
LTC2220: SFDR and SNR LTC2220: SFDR and SNR vs Sample Rate, 1V Range, vs Sample Rate, 2V Range, LTC2220: IVDD vs Sample Rate, fIN = 30MHz, –1dB, LVDS Mode fIN = 30MHz, –1dB, LVDS Mode 5MHz Sine Wave Input, –1dB
95 95 290 90 90 280 SFDR SFDR 85 85 270 80 80 260 75 75 (mA) 2V RANGE 250 70 70 I VDD SNR 1V RANGE 240 65 SNR 65 SFDR AND SNR (dBFS) SFDR AND SNR (dBFS) 230 60 60 55 55 220 50 50 210 0 40 80 120 160 200 0 40 80 120 160 200 0 40 80 120 160 200 SAMPLE RATE (Msps) SAMPLE RATE (Msps) SAMPLE RATE (Msps) 2220 G10 2220 G11 2220 G12
LTC2220: I LTC2220: SFDR vs Input Level, OVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB fIN = 70MHz, 2V Range
60 100 90 LVDS OUTPUTS, 0V 50 DD = 3.3V dBFS 80 70 40 dBc 60 (mA) 30 50 I OVDD 40 20 SFDR (dBc AND dBFS) 30 CMOS OUTPUTS, 0VDD = 1.8V 20 10 10 0 0 0 40 80 120 160 200 –60 –50 –40 –30 –20 –10 0 SAMPLE RATE (Msps) INPUT LEVEL (dBFS) 2220 G13 2220 G14 22201fa 7