Datasheet LTC2228, LTC2227, LTC2226 (Analog Devices) - 6

LTC2228/LTC2227/LTC2226
TYPICAL PERFORMANCE CHARACTERISTICS LTC2228: 8192 Point FFT, LTC2228: Typical INL, 2V Range, LTC2228: Typical DNL, 2V Range, fIN = 5MHz, –1dB, 2V Range, 65Msps 65Msps 65Msps
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 25 30 CODE CODE FREQUENCY (MHz) 2228 G01 2228 G02 2228 G03
LTC2228: 8192 Point FFT, LTC2228: 8192 Point FFT, LTC2228: 8192 Point FFT, fIN = 30MHz, –1dB, 2V Range, fIN = 70MHz, –1dB, 2V Range, fIN = 140MHz, –1dB, 2V Range, 65Msps 65Msps 65Msps
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 25 30 0 5 10 15 20 25 30 0 5 10 15 20 25 30 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 2228 G04 2228 G05 2228 G06
LTC2228: 8192 Point 2-Tone FFT, fIN = 28.2MHz and 26.8MHz, LTC2228: Grounded Input LTC2228: SNR vs Input Frequency, –1dB, 2V Range, 65Msps Histogram, 65Msps –1dB, 2V Range, 65Msps
0 70000 72 –10 61496 –20 60000 –30 71 50000 –40 –50 40000 –60 70 COUNT –70 30000 SNR (dBFS) AMPLITUDE (dB) –80 20000 –90 69 –100 10000 –110 2123 1910 –120 0 68 0 5 10 15 20 25 30 2042 2043 2044 0 50 100 150 200 FREQUENCY (MHz) CODE INPUT FREQUENCY (MHz) 2228 G07 2228 G08 2228 G09 222876fb 6