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Datasheet LTC2251, LTC2250 (Analog Devices) - 7

ПроизводительAnalog Devices
Описание10-Bit, 125Msps Low Noise 3V ADCs
Страниц / Страница24 / 7 — TYPICAL PERFOR A CE CHARACTERISTICS. LTC2251: SNR and SFDR vs. LTC2251: …
Формат / Размер файлаPDF / 611 Кб
Язык документаанглийский

TYPICAL PERFOR A CE CHARACTERISTICS. LTC2251: SNR and SFDR vs. LTC2251: SFDR vs Input Frequency,. Sample Rate, 2V Range,

TYPICAL PERFOR A CE CHARACTERISTICS LTC2251: SNR and SFDR vs LTC2251: SFDR vs Input Frequency, Sample Rate, 2V Range,

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LTC2251/LTC2250
W U TYPICAL PERFOR A CE CHARACTERISTICS LTC2251: SNR and SFDR vs LTC2251: SFDR vs Input Frequency, Sample Rate, 2V Range, LTC2251: SNR vs Input Level, –1dB, 2V Range, 125Msps fIN = 5MHz, –1dB fIN = 70MHz, 2V Range, 125Msps
95 90 80 70 90 SFDR dBFS 80 60 85 50 80 70 40 dBc SFDR (dBFS) 30 75 SNR SNR AND SFDR (dBFS) SNR (dBc AND dBFS) 60 20 70 10 65 50 0 0 50 100 150 200 250 300 350 0 20 40 60 80 100 120 140 160 –50 –40 –30 –20 –10 0 INPUT FREQUENCY (MHz) SAMPLE RATE (Msps) 55210 G10 22510 G11 INPUT LEVEL (dBFS) 22510 G12
LTC2251: SFDR vs Input Level, LTC2251: IVDD vs Sample Rate, f 5MHz Sine Wave Input, –1dB IN = 70MHz, 2V Range, 125Msps
100 145 90 dBFS 140 80 135 70 130 dBc 60 125 2V RANGE 50 (mA) 120 1V RANGE 40 I VDD 115 SFDR (dBc AND dBFS) 30 110 20 105 10 100 0 95 –50 –40 –30 –20 –10 0 0 20 40 60 80 100 120 140 INPUT LEVEL (dBFS) 22510 G13 SAMPLE RATE (Msps) 22510 G14
LTC2251: IOVDD vs Sample Rate, 5MHz Sine Wave Input, –1dB, LTC2251: SNR vs SENSE, OVDD = 1.8V fIN = 5MHz, –1dB
8 61.8 7 61.6 6 61.4 5 61.2 (mA) 4 61.0 I OVDD SNR (dBFS) 3 60.8 2 60.6 1 60.4 0 60.2 0 20 40 60 80 100 120 140 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 SAMPLE RATE (Msps) SENSE PIN (V) 22510 G31 22510 G15 22510fa 7
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