Datasheet LTC2251, LTC2250 (Analog Devices) - 8

LTC2251/LTC2250
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2250: 8192 Point FFT, LTC2250: Typical INL, LTC2250: Typical DNL, fIN = 5MHz, –1dB, 2V Range, 2V Range, 105Msps 2V Range, 105Msps 105Msps
1.0 1.0 0 0.8 0.8 –10 –20 0.6 0.6 –30 0.4 0.4 –40 0.2 0.2 –50 0 0 –60 –0.2 –0.2 –70 INL ERROR (LSB) AMPLITUDE (dB) DNL ERROR (LSB) –80 –0.4 –0.4 –90 –0.6 –0.6 –100 –0.8 –0.8 –110 –1.0 –1.0 –120 0 256 512 768 1024 0 256 512 768 1024 0 10 20 30 40 50 CODE 22510 G16 CODE 22510 G17 FREQUENCY (MHz) 22510 G18
LTC2250: 8192 Point FFT, LTC2250: 8192 Point FFT, LTC2250: 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) 22510 G19 FREQUENCY (MHz) 22510 G20 FREQUENCY (MHz) 22510 G21
LTC2250: 8192 Point 2-Tone FFT, f LTC2250: Grounded Input IN = 28.2MHz and 26.8MHz, LTC2250: SNR vs Input Frequency, –1dB, 2V Range, 105Msps Histogram, 105Msps –1dB, 2V Range, 105Msps
0 70000 65 65528 –10 64 –20 60000 63 –30 50000 62 –40 –50 61 40000 –60 60 COUNT –70 30000 SNR (dBFS) 59 AMPLITUDE (dB) –80 20000 58 –90 57 –100 10000 –110 56 0 0 –120 0 55 0 10 20 30 40 50 510 511 512 0 50 100 150 200 250 300 350 FREQUENCY (MHz) 22510 G22 CODE 22510 G23 INPUT FREQUENCY (MHz) 22510 G24 22510fa 8