Datasheet LTC2226H (Analog Devices) - 6

LTC2226H
TYPICAL PERFORMANCE CHARACTERISTICS 8192 Point 2-Tone FFT, fIN = 10.9MHz and 13.8MHz, Grounded Input Histogram, SNR vs Input Frequency, –1dB, –1dB, 2V Range, 25Msps 25Msps 2V Range, 25Msps
0 70000 72 –10 61758 –20 60000 –30 71 50000 –40 –50 40000 –60 70 –70 COUNT 30000 SNR (dBFS) AMPLITUDE (dB) –80 –90 20000 69 –100 10000 –110 2155 1607 –120 0 68 0 2 4 6 8 10 12 2048 2049 2050 0 50 100 150 200 FREQUENCY (MHz) CODE INPUT FREQUENCY (MHz) 2226H G07 2226H G08 2226H G09
SFDR vs Input Frequency, –1dB, SNR and SFDR vs Sample Rate, SNR vs Input Level, fIN = 5MHz, 2V Range, 25Msps 2V Range, fIN = 5MHz, –1dB 2V Range, –1dB
100 110 80 dBFS 95 SFDR 70 100 90 60 50 85 90 dBc 40 80 SFDR (dBFS) 80 30 75 SNR AND SFDR (dBFS) SNR SNR (dBc AND dBFS) 20 70 70 10 65 60 0 0 50 100 150 200 0 10 20 30 40 50 –60 –50 –40 –30 –20 –10 0 INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) INPUT LEVEL (dBFS) 2226H G10 2226H G11 2227H G12
SFDR vs Input Level, fIN = 5MHz, IVDD vs Sample Rate, 5MHz Sine IOVDD vs Sample Rate, 5MHz Sine 2V Range, 25Msps Wave Input, –1dB Wave Input, –1dB, OVDD = 1.8V
120 35 3 110 dBFS 100 30 90 2V RANGE 2 80 dBc 70 (mA) 25 (mA) 60 I VDD 1V RANGE I OVDD 90dBc SFDR 1 SFDR (dBc AND dBFS) 50 REFERENCE LINE 20 40 30 20 15 0 –60 –50 –40 –30 –20 –10 0 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 INPUT LEVEL (dBFS) SAMPLE RATE (Msps) SAMPLE RATE (Msps) 2226H G13 2226 G14 2226H G15 2226hfc 6