Datasheet LTC2299 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Dual 14-Bit, 80Msps Low Power 3V ADC |
| Pages / Page | 24 / 7 — TYPICAL PERFOR A CE CHARACTERISTICS. SNR vs Input Frequency, –1dB,. SFDR … |
| File Format / Size | PDF / 730 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. SNR vs Input Frequency, –1dB,. SFDR vs Input Frequency, –1dB,
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LTC2299
W U TYPICAL PERFOR A CE CHARACTERISTICS SNR vs Input Frequency, –1dB, SFDR vs Input Frequency, –1dB, SNR and SFDR vs Sample Rate, 2V Range, 80Msps 2V Range, 80Msps 2V Range, fIN = 5MHz, –1dB
75 100 100 74 95 73 90 72 90 SFDR 71 80 85 70 SNR 80 SNR (dBFS) 69 SFDR (dBFS) 70 68 75 SNR AND SFDR (dBFS) 67 60 70 66 65 65 50 0 50 100 150 200 0 50 100 150 200 0 10 20 30 40 50 60 70 80 90 100 110 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) 2299 G10 2299 G11 2299 G12
SNR and SFDR vs Clock Duty SNR vs Input Level, SFDR vs Input Level, Cycle, 80Msps fIN = 70MHz, 2V Range, 80Msps fIN = 70MHz, 2V Range, 80Msps
95 120 SFDR: DCS ON 80 dBFS dBFS 110 70 100 90 60 90 SFDR: DCS OFF 80 85 50 70 dBc 60 40 50 80 dBc 30 40 100dBc SFDR SFDR (dBc AND dBFS) REFERENCE LINE SNR AND SFDR (dBFS) SNR (dBc AND dBFS) 30 20 75 20 SNR: DCS ON 10 10 SNR: DCS OFF 0 70 0 –80 –60 –40 –20 0 30 35 40 45 50 55 60 65 70 –70 –60 –50 –40 –30 –20 –10 0 INPUT LEVEL (dBFS) CLOCK DUTY CYCLE (%) INPUT LEVEL (dBFS) 2299 G15 2299 G13 2299 G14
I I VDD vs Sample Rate, 5MHz Sine OVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB Wave Input, –1dB, OVDD = 1.8V
165 14 155 12 145 10 (mA) 2V RANGE (mA) 135 8 I VDD 1V RANGE I OVDD 125 6 115 4 105 2 95 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) 2299 G16 2299 G17 2299fa 7
W U TYPICAL PERFOR A CE CHARACTERISTICS SNR vs Input Frequency, –1dB, SFDR vs Input Frequency, –1dB, SNR and SFDR vs Sample Rate, 2V Range, 80Msps 2V Range, 80Msps 2V Range, fIN = 5MHz, –1dB
75 100 100 74 95 73 90 72 90 SFDR 71 80 85 70 SNR 80 SNR (dBFS) 69 SFDR (dBFS) 70 68 75 SNR AND SFDR (dBFS) 67 60 70 66 65 65 50 0 50 100 150 200 0 50 100 150 200 0 10 20 30 40 50 60 70 80 90 100 110 INPUT FREQUENCY (MHz) INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) 2299 G10 2299 G11 2299 G12
SNR and SFDR vs Clock Duty SNR vs Input Level, SFDR vs Input Level, Cycle, 80Msps fIN = 70MHz, 2V Range, 80Msps fIN = 70MHz, 2V Range, 80Msps
95 120 SFDR: DCS ON 80 dBFS dBFS 110 70 100 90 60 90 SFDR: DCS OFF 80 85 50 70 dBc 60 40 50 80 dBc 30 40 100dBc SFDR SFDR (dBc AND dBFS) REFERENCE LINE SNR AND SFDR (dBFS) SNR (dBc AND dBFS) 30 20 75 20 SNR: DCS ON 10 10 SNR: DCS OFF 0 70 0 –80 –60 –40 –20 0 30 35 40 45 50 55 60 65 70 –70 –60 –50 –40 –30 –20 –10 0 INPUT LEVEL (dBFS) CLOCK DUTY CYCLE (%) INPUT LEVEL (dBFS) 2299 G15 2299 G13 2299 G14
I I VDD vs Sample Rate, 5MHz Sine OVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB Wave Input, –1dB, OVDD = 1.8V
165 14 155 12 145 10 (mA) 2V RANGE (mA) 135 8 I VDD 1V RANGE I OVDD 125 6 115 4 105 2 95 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) 2299 G16 2299 G17 2299fa 7
