Datasheet LTC2282 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | Dual 12-Bit, 105Msps Low Power 3V ADC |
| 页数 / 页 | 24 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. SNR vs Input Frequency,. SFDR vs … |
| 文件格式/大小 | PDF / 475 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. SNR vs Input Frequency,. SFDR vs Input Frequency, –1dB,. SNR and SFDR vs Sample Rate,
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LTC2282
TYPICAL PERFORMANCE CHARACTERISTICS SNR vs Input Frequency, SFDR vs Input Frequency, –1dB, SNR and SFDR vs Sample Rate, –1dB, 2V Range, 105Msps 2V Range, 105Msps 2V Range, fIN = 5MHz, –1dB
73 95 90 SFDR 72 90 71 80 85 70 SNR 69 80 70 SNR (dBFS) 68 SFDR (dBFS) 75 SNR AND SFDR (dBFS) 67 60 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) 2282 G25 INPUT FREQUENCY (MHz) 2282 G26 SAMPLE RATE (Msps) 2282 G27
SNR vs Input Level, fIN = 70MHz, SFDR vs Input Level, fIN = 70MHz, IVDD vs Sample Rate, 5MHz Sine 2V Range, 105Msps 2V Range, 105Msps Wave Input, –1dB
110 200 80 100 190 70 dBFS dBFS 90 180 60 80 170 70 50 2V RANGE dBc 160 60 dBc (mA) 40 50 DD 150 IV 1V RANGE 30 40 140 SNR (dBc AND dBFS) SFDR (dBc AND dBFS) 30 20 130 20 10 120 10 0 0 110 –60 –50 –40 –30 –20 –10 0 –60 –50 –40 –30 –20 –10 0 0 20 40 60 80 100 120 INPUT LEVEL (dBFS) 2282 G28 INPUT LEVEL (dBFS) 2282 G29 SAMPLE RATE (Msps) 22532 G30
IOVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB, OV SNR vs SENSE, f DD = 1.8V IN = 5MHz, –1dB
17.5 72 15.0 71 70 12.5 69 10.0 (mA) 68 7.5 I OVDD SNR (dBFS) 67 5.0 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) 2282 G31 SENSE PIN (V) 2282 G33 2282fb 7
TYPICAL PERFORMANCE CHARACTERISTICS SNR vs Input Frequency, SFDR vs Input Frequency, –1dB, SNR and SFDR vs Sample Rate, –1dB, 2V Range, 105Msps 2V Range, 105Msps 2V Range, fIN = 5MHz, –1dB
73 95 90 SFDR 72 90 71 80 85 70 SNR 69 80 70 SNR (dBFS) 68 SFDR (dBFS) 75 SNR AND SFDR (dBFS) 67 60 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) 2282 G25 INPUT FREQUENCY (MHz) 2282 G26 SAMPLE RATE (Msps) 2282 G27
SNR vs Input Level, fIN = 70MHz, SFDR vs Input Level, fIN = 70MHz, IVDD vs Sample Rate, 5MHz Sine 2V Range, 105Msps 2V Range, 105Msps Wave Input, –1dB
110 200 80 100 190 70 dBFS dBFS 90 180 60 80 170 70 50 2V RANGE dBc 160 60 dBc (mA) 40 50 DD 150 IV 1V RANGE 30 40 140 SNR (dBc AND dBFS) SFDR (dBc AND dBFS) 30 20 130 20 10 120 10 0 0 110 –60 –50 –40 –30 –20 –10 0 –60 –50 –40 –30 –20 –10 0 0 20 40 60 80 100 120 INPUT LEVEL (dBFS) 2282 G28 INPUT LEVEL (dBFS) 2282 G29 SAMPLE RATE (Msps) 22532 G30
IOVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB, OV SNR vs SENSE, f DD = 1.8V IN = 5MHz, –1dB
17.5 72 15.0 71 70 12.5 69 10.0 (mA) 68 7.5 I OVDD SNR (dBFS) 67 5.0 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) 2282 G31 SENSE PIN (V) 2282 G33 2282fb 7