Datasheet LTC2249 (Analog Devices) - 7
| Hersteller | Analog Devices |
| Beschreibung | 14-Bit, 80Msps Low Power 3V ADC |
| Seiten / Seite | 24 / 7 — TYPICAL PERFOR A CE CHARACTERISTICS. SNR vs Input Level,. SFDR vs Input … |
| Dateiformat / Größe | PDF / 565 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFOR A CE CHARACTERISTICS. SNR vs Input Level,. SFDR vs Input Level,. fIN = 70MHz, 2V Range. VDD vs Sample Rate,
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LTC2249
W U TYPICAL PERFOR A CE CHARACTERISTICS SNR vs Input Level, SFDR vs Input Level, fIN = 70MHz, 2V Range fIN = 70MHz, 2V Range
80 120 dBFS dBFS 110 70 100 60 90 80 50 70 dBc 40 60 dBc 50 30 40 100dBc SFDR SNR (dBc AND dBFS) SFDR (dBc AND dBFS) REFERENCE LINE 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) 2249 G13 2249 G14
I I VDD vs Sample Rate, OVDD vs Sample Rate, 5MHz Sine 5MHz Sine Wave Input, –1dB Wave Input, –1dB, OVDD = 1.8V
85 7 80 6 75 5 (mA) (mA) 2V RANGE 70 4 I VDD 1V RANGE I OVDD 65 3 60 2 55 1 50 0 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 SAMPLE RATE (Msps) SAMPLE RATE (Msps) 2249 G15 2249 G16 2249fa 7
W U TYPICAL PERFOR A CE CHARACTERISTICS SNR vs Input Level, SFDR vs Input Level, fIN = 70MHz, 2V Range fIN = 70MHz, 2V Range
80 120 dBFS dBFS 110 70 100 60 90 80 50 70 dBc 40 60 dBc 50 30 40 100dBc SFDR SNR (dBc AND dBFS) SFDR (dBc AND dBFS) REFERENCE LINE 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) 2249 G13 2249 G14
I I VDD vs Sample Rate, OVDD vs Sample Rate, 5MHz Sine 5MHz Sine Wave Input, –1dB Wave Input, –1dB, OVDD = 1.8V
85 7 80 6 75 5 (mA) (mA) 2V RANGE 70 4 I VDD 1V RANGE I OVDD 65 3 60 2 55 1 50 0 0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100 SAMPLE RATE (Msps) SAMPLE RATE (Msps) 2249 G15 2249 G16 2249fa 7