Datasheet LTC2289 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Dual 10-Bit, 80Msps Low Noise 3V ADC |
| Pages / Page | 24 / 7 — TYPICAL PERFOR A CE CHARACTERISTICS. SNR vs Input Frequency, –1dB,. SFDR … |
| File Format / Size | PDF / 677 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. SNR vs Input Frequency, –1dB,. SFDR vs Input Frequency, –1dB,
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LTC2289
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
65 100 100 64 95 63 90 62 90 SFDR 61 80 85 60 80 SNR (dBFS) 59 SFDR (dBFS) 70 58 75 SNR AND SFDR (dBFS) SNR 57 60 70 56 55 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) 2289 G10 2289 G11 2289 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
90 80 90 SFDR: DCS ON dBFS 85 70 80 dBFS 70 60 80 60 SFDR: DCS OFF 50 dBc 75 50 40 70 dBc 40 30 30 SNR AND SFDR (dBFS) 65 SNR (dBc AND dBFS) SFDR (dBc AND dBFS) SNR: DCS ON 20 20 60 SNR: DCS OFF 10 10 55 0 0 30 35 40 45 50 55 60 65 70 –50 –40 –30 –20 –10 0 –50 –40 –30 –20 –10 0 CLOCK DUTY CYCLE (%) INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 2289 G13 2289 G14 2289 G15
IVDD vs Sample Rate, IOVDD vs Sample Rate, 5MHz Sine 5MHz Sine Wave Input, –1dB Wave Input, –1dB, OVDD = 1.8V
165 14 155 12 145 10 2V RANGE (mA) (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) 2289 G16 2289 G17 2289fa 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
65 100 100 64 95 63 90 62 90 SFDR 61 80 85 60 80 SNR (dBFS) 59 SFDR (dBFS) 70 58 75 SNR AND SFDR (dBFS) SNR 57 60 70 56 55 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) 2289 G10 2289 G11 2289 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
90 80 90 SFDR: DCS ON dBFS 85 70 80 dBFS 70 60 80 60 SFDR: DCS OFF 50 dBc 75 50 40 70 dBc 40 30 30 SNR AND SFDR (dBFS) 65 SNR (dBc AND dBFS) SFDR (dBc AND dBFS) SNR: DCS ON 20 20 60 SNR: DCS OFF 10 10 55 0 0 30 35 40 45 50 55 60 65 70 –50 –40 –30 –20 –10 0 –50 –40 –30 –20 –10 0 CLOCK DUTY CYCLE (%) INPUT LEVEL (dBFS) INPUT LEVEL (dBFS) 2289 G13 2289 G14 2289 G15
IVDD vs Sample Rate, IOVDD vs Sample Rate, 5MHz Sine 5MHz Sine Wave Input, –1dB Wave Input, –1dB, OVDD = 1.8V
165 14 155 12 145 10 2V RANGE (mA) (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) 2289 G16 2289 G17 2289fa 7
