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AD7451 数据表(PDF) 10 Page - Analog Devices |
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AD7451 数据表(HTML) 10 Page - Analog Devices |
10 / 24 page AD7441/AD7451 Rev. D | Page 10 of 24 TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, fS = 1 MSPS, fSCLK = 18 MHz, VDD = 2.7 V to 5.25 V, VREF = 2.5 V, unless otherwise noted. 75 55 60 65 70 10 100 1000 FREQUENCY (kHz) VDD = 5.25V VDD = 4.75V VDD = 3.6V VDD = 2.7V Figure 7. SINAD vs. Analog Input Frequency for the AD7451 for Various Supply Voltages 0 –120 –80 –100 –60 –40 –20 0 100 200 300 400 500 600 700 800 900 1000 SUPPLY RIPPLE FREQUENCY (kHz) 100mV p-p SINE WAVE ON VDD NO DECOUPLING ON VDD VDD = 3V VDD = 5V Figure 8. PSRR vs. Supply Ripple Frequency Without Supply Decoupling FREQUENCY (kHz) 0 100 200 –100 –140 500 –20 0 –120 –40 –60 –80 8192 POINT FFT fSAMPLE = 1MSPS fIN = 100kSPS SINAD = 71dB THD = –82dB SFDR = –83dB 300 400 Figure 9. AD7451 Dynamic Performance for VDD = 5 V CODE 0.4 0 1024 2048 3072 0.2 0 –0.2 –0.4 –1.0 4096 0.6 0.8 1.0 –0.6 –0.8 Figure 10. Typical DNL for the AD7451 for VDD = 5 V CODE 0.4 0 1024 2048 3072 0.2 0 –0.2 –0.4 –1.0 4096 0.6 0.8 1.0 –0.6 –0.8 Figure 11. Typical INL for the AD7451 for VDD = 5 V CODES 0 2046 2047 2048 2049 2050 2051 27 CODES 24 CODES 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 9949 CODES Figure 12. Histogram of 10,000 Conversions of a DC Input for the AD7451 |
类似零件编号 - AD7451 |
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类似说明 - AD7451 |
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