Datasheet LTC2255, LTC2254 (Analog Devices) - 8

LTC2255/LTC2254
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2254: 8192 Point FFT, LTC2254: Typical INL, f LTC2254: Typical DNL, IN = 5MHz, –1dB, 2V Range, 2V Range, 105Msps 105Msps 2V Range, 105Msps
2.0 1.0 0 –10 0.8 1.5 –20 0.6 1.0 –30 0.4 –40 0.5 0.2 –50 0 0 –60 –70 –0.2 –0.5 AMPLITUDE (dB) INL ERROR (LSB) –80 DNL ERROR (LSB) –0.4 –1.0 –90 –0.6 –100 –1.5 –0.8 –110 –2.0 –1.0 –120 0 4096 8192 12288 16384 0 10 20 30 40 50 0 4096 8192 12288 16384 CODE 22554 G17 FREQUENCY (MHz) 22554 G19 CODE 22554 G018
LTC2254: 8192 Point FFT, LTC2254: 8192 Point FFT, LTC2254: 8192 Point FFT, fIN = 30MHz, –1dB, 2V Range, fIN = 70MHz, –1dB, 2V Range, fIN = 140MHz, –1dB, 2V Range, 105Msps 105Msps 105Msps
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 10 20 30 40 50 0 10 20 30 40 50 0 10 20 30 40 50 FREQUENCY (MHz) 22554 G20 FREQUENCY (MHz) 22554 G21 FREQUENCY (MHz) 22554 G22
LTC2254: 8192 Point 2-Tone FFT, fIN = 28.2MHz and 26.8MHz, LTC2254: Grounded Input LTC2254: SNR vs Input Frequency, –1dB, 2V Range, 105Msps Histogram, 105Msps –1dB, 2V Range, 105Msps
0 20000 75 –10 18000 17646 18027 74 –20 16000 73 –30 14000 –40 72 –50 12000 11299 71 10516 –60 10000 70 –70 COUNT 8000 SNR (dBFS) 69 AMPLITUDE (dB) –80 6000 68 –90 4000 3380 3316 67 –100 –110 2000 66 3 54 581 637 68 1 –120 0 65 0 10 20 30 40 50 8183 8185 8187 8189 8191 8193 0 50 100 150 200 250 300 350 FREQUENCY (MHz) 22554 G23 CODE 22554 G24 INPUT FREQUENCY (MHz) 33554 G25 22554fa 8