Datasheet LTC2245 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | 14-Bit, 10Msps Low Power 3V ADC |
| Pages / Page | 20 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS. 8192 Point 2-Tone FFT,. 8192 Point … |
| File Format / Size | PDF / 528 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. 8192 Point 2-Tone FFT,. 8192 Point FFT, fIN = 70.1MHz,. fIN = 4.3MHz and 4.6MHz,
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LTC2245
W U TYPICAL PERFOR A CE CHARACTERISTICS 8192 Point 2-Tone FFT, 8192 Point FFT, fIN = 70.1MHz, fIN = 4.3MHz and 4.6MHz, –1dB, 2V Range –1dB, 2V Range Grounded Input Histogram
0 0 25000 –10 –10 22016 –20 –20 20000 18803 –30 –30 –40 –40 15000 –50 –50 13373 –60 –60 COUNT –70 –70 10000 AMPLITUDE (dB) –80 AMPLITUDE (dB) –80 6919 –90 –90 5000 –100 –100 3227 –110 –110 43 853 278 –120 –120 0 0 1 2 3 4 5 0 1 2 3 4 5 8179 8180 8181 8182 8183 8184 8185 8186 FREQUENCY (MHz) FREQUENCY (MHz) CODE 2245 G04 2245 G05 2245 G06
SNR vs Input Frequency, –1dB, SFDR vs Input Frequency, –1dB, SNR and SFDR vs Sample Rate, 2V Range 2V Range 2V Range, fIN = 5MHz, –1dB
75 100 100 74 95 SFDR 73 90 72 90 71 85 70 80 80 SNR (dBFS) 69 SNR SFDR (dBFS) 68 75 SNR AND SFDR (dBFS) 70 67 70 66 65 65 60 0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 0 2 4 6 8 10 12 14 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) 2245 G07 2245 G08 2225 G09
SNR vs Input Level, fIN = 5MHz, SFDR vs Input Level, fIN = 5MHz, 2V Range 2V Range
80 120 dBFS dBFS 110 70 100 60 90 dBc 80 50 70 40 60 dBc 50 100dBc SFDR 30 REFERENCE LINE 40 SNR (dBc AND dBFS) SFDR (dBc AND dBFS) 20 30 20 10 10 0 0 –70 –60 –50 –40 –30 –20 –10 0 –80 –60 –40 –20 0 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 2245 G10 2245 G11 2245fa 6
W U TYPICAL PERFOR A CE CHARACTERISTICS 8192 Point 2-Tone FFT, 8192 Point FFT, fIN = 70.1MHz, fIN = 4.3MHz and 4.6MHz, –1dB, 2V Range –1dB, 2V Range Grounded Input Histogram
0 0 25000 –10 –10 22016 –20 –20 20000 18803 –30 –30 –40 –40 15000 –50 –50 13373 –60 –60 COUNT –70 –70 10000 AMPLITUDE (dB) –80 AMPLITUDE (dB) –80 6919 –90 –90 5000 –100 –100 3227 –110 –110 43 853 278 –120 –120 0 0 1 2 3 4 5 0 1 2 3 4 5 8179 8180 8181 8182 8183 8184 8185 8186 FREQUENCY (MHz) FREQUENCY (MHz) CODE 2245 G04 2245 G05 2245 G06
SNR vs Input Frequency, –1dB, SFDR vs Input Frequency, –1dB, SNR and SFDR vs Sample Rate, 2V Range 2V Range 2V Range, fIN = 5MHz, –1dB
75 100 100 74 95 SFDR 73 90 72 90 71 85 70 80 80 SNR (dBFS) 69 SNR SFDR (dBFS) 68 75 SNR AND SFDR (dBFS) 70 67 70 66 65 65 60 0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 0 2 4 6 8 10 12 14 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) 2245 G07 2245 G08 2225 G09
SNR vs Input Level, fIN = 5MHz, SFDR vs Input Level, fIN = 5MHz, 2V Range 2V Range
80 120 dBFS dBFS 110 70 100 60 90 dBc 80 50 70 40 60 dBc 50 100dBc SFDR 30 REFERENCE LINE 40 SNR (dBc AND dBFS) SFDR (dBc AND dBFS) 20 30 20 10 10 0 0 –70 –60 –50 –40 –30 –20 –10 0 –80 –60 –40 –20 0 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 2245 G10 2245 G11 2245fa 6
