поискавой системы для электроныых деталей |
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AD7720 датащи(PDF) 8 Page - Analog Devices |
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AD7720 датащи(HTML) 8 Page - Analog Devices |
8 / 16 page (AVDD = DVDD = 5.0 V, TA = +25 C; CLKIN = 12.5 MHz, AIN = 20 kHz, Bipolar Mode; VIN(+) = 0 V to 2.5 V, VIN(–) = 1.25 V unless otherwise noted) AD7720–Typical Characteristics –8– REV. 0 INPUT LEVEL – dB 110 100 50 –40 –30 0 –20 –10 90 80 70 60 SFDR S/ (N+D) Figure 5. S/(N+D) and SFDR vs. Analog Input Level INPUT FREQUENCY – kHz –85 –90 –115 0 20 100 40 60 80 –95 –100 –105 –110 THD SNR SFDR VIN (+) = VIN(–) = 1.25Vpk–pk VCM = 2.5V Figure 8. SNR, THD, and SFDR vs. Input Frequency TEMPERATURE – °C –94 –116 –50 –25 100 025 50 75 –96 –108 –110 –112 –114 –100 –102 –106 –104 –98 THD 3RD 4TH 2ND Figure 11. THD vs. Temperature OUTPUT DATA RATE – kSPS 84 92 85 88 89 90 91 86 87 0 50 300 100 150 200 250 AIN = 1/5 · BW Figure 6. S/(N+D) vs. Output Sample Rate OUTPUT DATA RATE – kSPS 84 92 85 88 89 90 91 86 87 0 50 300 100 150 200 250 AIN = 1/5 · BW VIN (+) = VIN(–) = 1.25Vpk–pk VCM = 2.5V Figure 9. S/(N+D) vs. Output Sample Rate CODES 5000 0 n–3 n–2 n+3 n–1 n n+1 n+2 4500 2000 1500 1000 500 4000 3500 2500 3000 VIN(+) = VIN(–) CLKIN = 12.5MHz 8k SAMPLES Figure 12. Histogram of Output Codes with DC Input INPUT FREQUENCY – kHz –85 –90 –115 0 20 100 40 60 80 –95 –100 –105 –110 SNR SFDR THD Figure 7. SNR, THD, and SFDR vs. Input Frequency TEMPERATURE – °C 92.0 91.5 88.0 –50 0 100 50 90.0 89.5 88.5 89.0 91.0 90.5 Figure 10. SNR vs. Temperature CODE 1.0 0.8 –1.0 0 20000 65535 40000 –0.4 –0.8 –0.6 0 –0.2 0.6 0.2 0.4 Figure 13. Differential Nonlinearity |
Аналогичный номер детали - AD7720 |
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Аналогичное описание - AD7720 |
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