Datasheet LTC1747 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 12-Bit, 80Msps Low Noise ADC |
| 页数 / 页 | 20 / 7 — TYPICAL PERFOR A CE CHARACTERISTICS. Averaged 8192 Point 2-Tone FFT,. … |
| 文件格式/大小 | PDF / 504 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. Averaged 8192 Point 2-Tone FFT,. 5.2MHz and 5.7MHz Inputs,. 25.2MHz and 30.2MHz Inputs,
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LTC1747
W U TYPICAL PERFOR A CE CHARACTERISTICS Averaged 8192 Point 2-Tone FFT, Averaged 8192 Point 2-Tone FFT, Averaged 8192 Point 2-Tone FFT, 5.2MHz and 5.7MHz Inputs, 25.2MHz and 30.2MHz Inputs, 65.2MHz and 70.2MHz Inputs, –7dB, 3.2V Range –7dB, 3.2V Range –7dB, 3.2V Range
0 0 0 TA = 25°C TA = 25°C TA = 25°C –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 –90 –90 –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 1747 G16 1747 G17 1747 G18
SFDR vs 20MHz Input Level SFDR vs 50MHz Input Level SFDR vs 70MHz Input Level
120 120 120 TA = 25°C TA = 25°C TA = 25°C 110 110 110 dBFS dBFS 100 100 100 dBFS 90 90 90 80 80 80 70 70 70 dBc dBc dBc 60 60 60 50 50 50 40 40 40 SFDR (dBc AND dBFS) SFDR (dBc AND dBFS) SFDR (dBc AND dBFS) 30 30 30 20 20 20 10 10 10 0 0 0 –80 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 1747 G19 1747 G20 1747 G21
SFDR vs Input Frequency and SFDR vs Input Frequency and Amplitude, 3.2V Range, Amplitude, 2V Range, Shorted Input Histogram, 2nd or 3rd Harmonic 2nd or 3rd Harmonic 3.2V Range
100 100 4500 TA = 25°C TA = 25°C 3985 95 95 4000 –20dB –20dB 90 90 3500 –10dB –10dB –6dB 3000 85 85 –6dB –1dB 2500 80 80 –1dB COUNT 2000 SFDR (dBFS) 75 SFDR (dBFS) 75 1500 70 70 1000 65 65 500 0 3 108 0 60 60 0 0 20 40 60 80 100 0 20 40 60 80 100 2035 2036 2037 2038 2039 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) CODE 1748 G26 1747 G23 1747 G24 1747fa 7
W U TYPICAL PERFOR A CE CHARACTERISTICS Averaged 8192 Point 2-Tone FFT, Averaged 8192 Point 2-Tone FFT, Averaged 8192 Point 2-Tone FFT, 5.2MHz and 5.7MHz Inputs, 25.2MHz and 30.2MHz Inputs, 65.2MHz and 70.2MHz Inputs, –7dB, 3.2V Range –7dB, 3.2V Range –7dB, 3.2V Range
0 0 0 TA = 25°C TA = 25°C TA = 25°C –10 –10 –10 –20 –20 –20 –30 –30 –30 –40 –40 –40 –50 –50 –50 –60 –60 –60 –70 –70 –70 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 AMPLITUDE (dBFS) –80 –90 –90 –90 –100 –100 –100 –110 –110 –110 –120 –120 –120 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 0 5 10 15 20 25 30 35 40 FREQUENCY (MHz) FREQUENCY (MHz) FREQUENCY (MHz) 1747 G16 1747 G17 1747 G18
SFDR vs 20MHz Input Level SFDR vs 50MHz Input Level SFDR vs 70MHz Input Level
120 120 120 TA = 25°C TA = 25°C TA = 25°C 110 110 110 dBFS dBFS 100 100 100 dBFS 90 90 90 80 80 80 70 70 70 dBc dBc dBc 60 60 60 50 50 50 40 40 40 SFDR (dBc AND dBFS) SFDR (dBc AND dBFS) SFDR (dBc AND dBFS) 30 30 30 20 20 20 10 10 10 0 0 0 –80 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 1747 G19 1747 G20 1747 G21
SFDR vs Input Frequency and SFDR vs Input Frequency and Amplitude, 3.2V Range, Amplitude, 2V Range, Shorted Input Histogram, 2nd or 3rd Harmonic 2nd or 3rd Harmonic 3.2V Range
100 100 4500 TA = 25°C TA = 25°C 3985 95 95 4000 –20dB –20dB 90 90 3500 –10dB –10dB –6dB 3000 85 85 –6dB –1dB 2500 80 80 –1dB COUNT 2000 SFDR (dBFS) 75 SFDR (dBFS) 75 1500 70 70 1000 65 65 500 0 3 108 0 60 60 0 0 20 40 60 80 100 0 20 40 60 80 100 2035 2036 2037 2038 2039 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) CODE 1748 G26 1747 G23 1747 G24 1747fa 7