Datasheet LTC2238, LTC2237, LTC2236 (Analog Devices) - 6

LTC2238/LTC2237/LTC2236
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2238: 8192 Point FFT, LTC2238: Typical INL, LTC2238: Typical DNL, fIN = 5MHz, –1dB, 2V Range, 2V Range, 65Msps 2V Range, 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 0 256 512 768 1024 0 256 512 768 1024 0 5 10 15 20 25 30 CODE CODE FREQUENCY (MHz) 223876 G01 223876 G02 223876 G03
LTC2238: 8192 Point FFT, LTC2238: 8192 Point FFT, LTC2238: 8192 Point FFT, f f IN = 30MHz, –1dB, 2V Range, IN = 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) 223876 G04 223876 G05 223876 G06
LTC2238: 8192 Point 2-Tone FFT, f LTC2238: Grounded Input LTC2238: SNR vs Input Frequency, IN = 28.2MHz and 26.8MHz, –1dB, 2V Range, 65Msps Histogram, 65Msps –1dB, 2V Range, 65Msps
0 70000 65520 62.5 –10 –20 60000 61.5 –30 50000 –40 –50 40000 60.5 –60 –70 COUNT 30000 SNR (dBFS) 59.5 AMPLITUDE (dB) –80 –90 20000 –100 58.5 10000 –110 0 0 –120 0 57.5 0 5 10 15 20 25 30 511 512 513 0 50 100 150 200 FREQUENCY (MHz) CODE INPUT FREQUENCY (MHz) 223876 G07 223876 G08 223876 G09 223876fa 6