Datasheet LTC2220, LTC2221 (Analog Devices) - 9

LTC2220/LTC2221
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2221: Shorted Input Noise LTC2221: INL, 2V Range LTC2221: DNL, 2V Range Histogram
1.0 1.0 100000 0.8 0.8 79331 0.6 0.6 80000 0.4 0.4 0.2 0.2 60000 0 0 COUNT – 0.2 – 0.2 40000 ERROR (LSB) ERROR (LSB) 29529 – 0.4 – 0.4 21767 – 0.6 – 0.6 20000 – 0.8 – 0.8 123 322 – 1.0 – 1.0 0 0 1024 2048 3072 4096 0 1024 2048 3072 4096 2057 2058 2059 2060 2061 OUTPUT CODE OUTPUT CODE CODE 2221 G01 2221 G02 2221 G03
LTC2221: SNR vs Input LTC2221: SNR vs Input LTC2221: SFDR (HD2 and HD3) Frequency, –1dB, 2V Range, Frequency, –1dB, 1V Range, vs Input Frequency, –1dB, 2V LVDS Mode LVDS Mode Range, LVDS Mode
69 69 95 90 67 67 85 65 65 80 63 63 75 61 61 70 SNR (dBFS) SNR (dBFS) SFDR (dBFS) 65 59 59 60 57 57 55 55 55 50 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) 2221 G04 2221 G05 2221 G06
LTC2221: SFDR (HD2 and HD3) LTC2221: SFDR (HD4+) vs Input LTC2221: SFDR (HD4+) vs Input vs Input Frequency, –1dB, 1V Frequency, –1dB, 2V Range, Frequency, –1dB, 1V Range, Range, LVDS Mode LVDS Mode LVDS Mode
95 95 95 90 90 90 85 85 85 80 80 80 75 75 75 70 70 70 SFDR (dBFS) SFDR (dBFS) SFDR (dBFS) 65 65 65 60 60 60 55 55 55 50 50 50 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) 2221 G07 2221 G08 2221 G09 22201fa 9