Datasheet LTC2208 (Analog Devices) - 9

LTC2208
TYPICAL PERFORMANCE CHARACTERISTICS Integral Nonlinearity (INL) vs Differential Nonlinearity (DNL) vs Output Code Output Code AC Grounded Input Histogram
2 1 10000 0.8 9000 1.5 0.6 8000 1 0.4 7000 0.5 0.2 6000 0 0 5000 COUNT 0.2 4000 –0.5 INL ERROR (LSB) DNL ERROR (LSB) 0.4 3000 –1 0.6 2000 –1.5 0.8 1000 –2 1 0 0 16384 32768 49152 65536 0 16384 32768 49152 65536 32736 32740 32744 32748 32752 32756 OUTPUT CODE OUTPUT CODE OUTPUT CODE 2208 G01 2208 G02 2208 G14
128k Point FFT, fIN = 4.93MHz, 64k Point FFT, f 64k Point FFT, 15.1MHz, –20dBFS, IN = 15.1MHz, –1dBFS, PGA = 0 –1dBFS, PGA = 0 PGA = 0, Internal Dither “Off”
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 G03 2208 G15 2208 G04
32k Point 2-Tone FFT, 32k Point 2-Tone FFT, 64k Point FFT, 15.1MHz, –20dBFS, fIN = 21.14MHz and 14.25MHz, fIN = 20.14MHz and 14.25MHz, PGA = 0, Internal Dither “On” –7dBFS, PGA = 0 –25dBFS, 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 AMPLITUDE (dBFS) –90 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 –90 –90 –100 –100 –100 –110 –120 –110 –110 –130 –120 –120 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 G05 2208 G06 2208 G07 2208fc 9