Datasheet LTC2208 (Analog Devices) - 10

LTC2208
TYPICAL PERFORMANCE CHARACTERISTICS SFDR vs Input Level, f SFDR vs Input Level, f IN = 15MHz, IN = 15MHz, 64k Point FFT, fIN = 30.1MHz, PGA = 0, Dither “Off” PGA = 0, Dither “On” –1dBFS, PGA = 0
140 140 0 130 130 –10 120 120 –20 110 110 –30 100 100 –40 90 90 –50 80 80 –60 70 70 –70 60 60 –80 50 50 AMPLITUDE (dBFS) –90 SFDR (dBc AND dBFS) 40 SFDR (dBc AND dBFS) 40 30 30 –100 20 20 –110 10 10 –120 0 0 –130 –80 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 0 10 20 30 40 50 60 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) FREQUENCY (MHz) 2208 G08 2208 G09 2208 G16
128k Point FFT, fIN = 30.1MHz, 64k Point FFT, fIN = 70.1MHz, 64k Point FFT, fIN = 70.1MHz, –25dBFS, PGA = 0, Dither “On” –1dBFS, PGA = 0 –10dBFS, PGA = 0
0 0 0 –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 –80 –80 –80 AMPLITUDE (dBFS) –90 AMPLITUDE (dBFS) –90 AMPLITUDE (dBFS) –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 –130 –130 –130 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0 10 20 30 40 50 60 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 2208 G17 2208 G18 2208 G19
64k Point FFT, fIN = 70.1MHz, 128k Point FFT, fIN = 70.1MHz, 64k Point FFT, fIN = 70.1MHz, –20dBFS, PGA = 0 –25dBFS, PGA = 0, Dither “On” –1dBFS, PGA = 1
0 0 0 –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 –80 –80 –80 AMPLITUDE (dBFS) –90 AMPLITUDE (dBFS) –90 AMPLITUDE (dBFS) –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 –130 –130 –130 0 10 20 30 40 50 60 0 10 20 30 40 50 60 0 10 20 30 40 50 60 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 2208 G20 2208 G21 2208 G22 2208fc 10