Datasheet LTC2228, LTC2227, LTC2226 (Analog Devices) - 8

LTC2228/LTC2227/LTC2226
TYPICAL PERFORMANCE CHARACTERISTICS LTC2227: 8192 Point FFT, LTC2227: Typical INL, 2V Range, LTC2227: Typical DNL, 2V Range, fIN = 5MHz, –1dB, 2V Range, 40Msps 40Msps 40Msps
1.00 1.00 0 –10 0.75 0.75 –20 0.50 0.50 –30 –40 0.25 0.25 –50 0 0 –60 –70 –0.25 –0.25 INL ERROR (LSB) DNL ERROR (LSB) AMPLITUDE (dB) –80 –0.50 –0.50 –90 –100 –0.75 –0.75 –110 –1.00 –1.00 –120 0 1024 2048 3072 4096 0 1024 2048 3072 4096 0 5 10 15 20 CODE CODE FREQUENCY (MHz) 2227 G01 2227 G02 2227 G03
LTC2228: 8192 Point FFT, LTC2227: 8192 Point FFT, LTC2227: 8192 Point FFT, fIN = 30MHz, –1dB, 2V Range, fIN = 70MHz, –1dB, 2V Range, fIN = 140MHz, –1dB, 2V Range, 40Msps 40Msps 40Msps
0 0 0 –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 AMPLITUDE (dB) –80 AMPLITUDE (dB) –80 AMPLITUDE (dB) –80 –90 –90 –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 0 5 10 15 20 0 5 10 15 20 0 5 10 15 20 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 2227 G04 2227 G05 2227 G06
LTC2227: 8192 Point 2-Tone FFT, fIN = 21.6MHz and 23.6MHz, LTC2227: Grounded Input LTC2227: SNR vs Input Frequency, –1dB, 2V Range, 40Msps Histogram, 40Msps –1dB, 2V Range, 40Msps
0 70000 72 –10 61538 –20 60000 –30 71 50000 –40 –50 40000 –60 70 COUNT –70 30000 SNR (dBFS) AMPLITUDE (dB) –80 20000 –90 69 –100 10000 –110 1424 2558 –120 0 68 0 5 10 15 20 2050 2051 2052 0 50 100 150 200 FREQUENCY (MHz) CODE INPUT FREQUENCY (MHz) 2227 G07 2227 G08 2227 G09 222876fb 8