Datasheet LTC1745 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Low Noise,12-Bit, 25Msps ADC |
| 页数 / 页 | 20 / 6 — TYPICAL PERFOR A CE CHARACTERISTICS. SNR vs Sample Rate,. SFDR vs Sample … |
| 文件格式/大小 | PDF / 214 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. SNR vs Sample Rate,. SFDR vs Sample Rate,. Grounded Input Histogram
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LTC1745
W U TYPICAL PERFOR A CE CHARACTERISTICS SNR vs Sample Rate, SFDR vs Sample Rate, Grounded Input Histogram Input Frequency = 5MHz, –1dB Input Frequency = 5MHz, –1dB
35000 73 110 30000 72 3.2V RANGE 100 3.2V RANGE 25000 71 2V RANGE 2V RANGE 90 20000 70 COUNT 15000 69 SNR (dBFS) SFDR (dB) 80 10000 68 70 5000 67 0 66 60 2041 2042 2043 0 10 20 30 40 50 60 0 10 20 30 40 50 60 CODE SAMPLE RATE (Msps) SAMPLE RATE (Msps) 1745 G10 1745 G11 1745 G12
SNR vs Input Frequency and SNR vs Input Frequency and Amplitude 3.2V Range Amplitude 2V Range
80 80 75 75 –1dBFS –1dBFS 70 70 –6dBFS –6dBFS 65 65 SNR (dB) SNR (dB) 60 60 55 55 –20dBFS –20dBFS 50 50 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) 1745 G13 1745 G14
SFDR vs Input Frequency SFDR vs Input Frequency and Amplitude, 3.2V Range and Amplitude, 2V Range
110 110 –20dBFS –20dBFS 100 100 90 90 –6dBFS –6dBFS 80 80 –1dBFS –1dBFS 70 70 SFDR (dBFS) SFDR (dBFS) 60 60 50 50 40 40 0 10 20 30 40 50 60 70 80 90 100 0 50 100 150 200 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) 1746 G15 1745 G16 1745f 6
W U TYPICAL PERFOR A CE CHARACTERISTICS SNR vs Sample Rate, SFDR vs Sample Rate, Grounded Input Histogram Input Frequency = 5MHz, –1dB Input Frequency = 5MHz, –1dB
35000 73 110 30000 72 3.2V RANGE 100 3.2V RANGE 25000 71 2V RANGE 2V RANGE 90 20000 70 COUNT 15000 69 SNR (dBFS) SFDR (dB) 80 10000 68 70 5000 67 0 66 60 2041 2042 2043 0 10 20 30 40 50 60 0 10 20 30 40 50 60 CODE SAMPLE RATE (Msps) SAMPLE RATE (Msps) 1745 G10 1745 G11 1745 G12
SNR vs Input Frequency and SNR vs Input Frequency and Amplitude 3.2V Range Amplitude 2V Range
80 80 75 75 –1dBFS –1dBFS 70 70 –6dBFS –6dBFS 65 65 SNR (dB) SNR (dB) 60 60 55 55 –20dBFS –20dBFS 50 50 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) 1745 G13 1745 G14
SFDR vs Input Frequency SFDR vs Input Frequency and Amplitude, 3.2V Range and Amplitude, 2V Range
110 110 –20dBFS –20dBFS 100 100 90 90 –6dBFS –6dBFS 80 80 –1dBFS –1dBFS 70 70 SFDR (dBFS) SFDR (dBFS) 60 60 50 50 40 40 0 10 20 30 40 50 60 70 80 90 100 0 50 100 150 200 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) 1746 G15 1745 G16 1745f 6