Datasheet LTC2284 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Dual 14-Bit, 105Msps Low Power 3V ADC |
| 页数 / 页 | 24 / 7 — TYPICAL PERFOR A CE CHARACTERISTICS. SNR vs Input Frequency,. SFDR vs … |
| 文件格式/大小 | PDF / 724 Kb |
| 文件语言 | 英语 |
TYPICAL PERFOR A CE CHARACTERISTICS. SNR vs Input Frequency,. SFDR vs Input Frequency,. SNR and SFDR vs Sample Rate,
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LTC2284
W U TYPICAL PERFOR A CE CHARACTERISTICS SNR vs Input Frequency, SFDR vs Input Frequency, SNR and SFDR vs Sample Rate, –1dB, 2V Range, 105Msps –1dB, 2V Range, 105Msps 2V Range, fIN = 5MHz, –1dB
75 100 90 74 SFDR 95 73 80 90 72 71 SNR 85 70 70 80 SNR (dBFS) 69 SFDR (dBRS) 68 75 SNR AND SFDR (dBFS) 60 67 70 66 65 65 50 0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350 0 20 40 60 80 100 120 140 INPUT FREQUENCY (MHz) 2284 G25 INPUT FREQUENCY (MHz) 2284 G26 SAMPLE RATE (Msps) 2284 G27
SNR vs Input Level, SFDR vs Input Level, IVDD vs Sample Rate, fIN = 70MHz, 2V Range, 105Msps fIN = 70MHz, 2V Range, 105Msps 5MHz Sine Wave Input, –1dB
80 110 200 dBFS 100 70 dBFS 190 90 180 60 80 170 50 70 dBc 2V RANGE dBc 60 160 40 (mA) 1V RANGE 50 DD 150 IV 30 40 140 SNR (dBc AND dBFS) SFDR (dBc AND dBFS) 20 30 130 20 10 120 10 0 0 110 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 0 20 40 60 80 100 120 INPUT LEVEL (dBFS) 2284 G28 INPUT LEVEL (dBFS) 2284 G29 SAMPLE RATE (Msps) 2284 G30
IOVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB, 0V SNR vs SENSE, f DD = 1.8V IN = 5MHz, –1dB
17.5 74 73 15.0 72 12.5 71 70 10.0 (mA) 69 7.5 I OVDD SNR (dBFS) 68 5.0 67 66 2.5 65 0 64 0 20 40 60 80 100 120 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 SAMPLE RATE (Msps) 2284 G31 SENSE PIN (V) 2284 G33 2284fa 7
W U TYPICAL PERFOR A CE CHARACTERISTICS SNR vs Input Frequency, SFDR vs Input Frequency, SNR and SFDR vs Sample Rate, –1dB, 2V Range, 105Msps –1dB, 2V Range, 105Msps 2V Range, fIN = 5MHz, –1dB
75 100 90 74 SFDR 95 73 80 90 72 71 SNR 85 70 70 80 SNR (dBFS) 69 SFDR (dBRS) 68 75 SNR AND SFDR (dBFS) 60 67 70 66 65 65 50 0 50 100 150 200 250 300 350 0 50 100 150 200 250 300 350 0 20 40 60 80 100 120 140 INPUT FREQUENCY (MHz) 2284 G25 INPUT FREQUENCY (MHz) 2284 G26 SAMPLE RATE (Msps) 2284 G27
SNR vs Input Level, SFDR vs Input Level, IVDD vs Sample Rate, fIN = 70MHz, 2V Range, 105Msps fIN = 70MHz, 2V Range, 105Msps 5MHz Sine Wave Input, –1dB
80 110 200 dBFS 100 70 dBFS 190 90 180 60 80 170 50 70 dBc 2V RANGE dBc 60 160 40 (mA) 1V RANGE 50 DD 150 IV 30 40 140 SNR (dBc AND dBFS) SFDR (dBc AND dBFS) 20 30 130 20 10 120 10 0 0 110 –70 –60 –50 –40 –30 –20 –10 0 –80 –70 –60 –50 –40 –30 –20 –10 0 0 20 40 60 80 100 120 INPUT LEVEL (dBFS) 2284 G28 INPUT LEVEL (dBFS) 2284 G29 SAMPLE RATE (Msps) 2284 G30
IOVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB, 0V SNR vs SENSE, f DD = 1.8V IN = 5MHz, –1dB
17.5 74 73 15.0 72 12.5 71 70 10.0 (mA) 69 7.5 I OVDD SNR (dBFS) 68 5.0 67 66 2.5 65 0 64 0 20 40 60 80 100 120 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 SAMPLE RATE (Msps) 2284 G31 SENSE PIN (V) 2284 G33 2284fa 7