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AD7400 数据表(PDF) 9 Page - Analog Devices |
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AD7400 数据表(HTML) 9 Page - Analog Devices |
9 / 20 page AD7400 Rev. A | Page 9 of 20 TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, using 20 kHz brickwall filter, unless otherwise noted. 100 0 20 10 30 40 50 60 70 80 90 100 0 200 300 400 500 600 700 800 900 1000 SUPPLY RIPPLE FREQUENCY (kHz) 200mV p-p SINEWAVE ON VDD1 NO DECOUPLING VDD1 = VDD2 = 4.5V TO 5.25V Figure 6. PSRR vs. Supply Ripple Frequency Without Supply Decoupling (1 MHz Filter Used) 0 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 4000 3500 3000 2500 2000 1500 1000 500 INPUT FREQUENCY (Hz) VDD1 = VDD2 = 4.5V VDD1 = VDD2 = 5.25V VDD1 = VDD2 = 5V Figure 7. SINAD vs. Analog Input Frequency for Various Supply Voltages FREQUENCY (kHz) 0 –20 –180 –160 –140 –120 –100 –80 –60 –40 020 18 16 14 12 10 8 6 4 2 8192 POINT FFT fIN = 35Hz SINAD = 79.6991dB THD = –92.6722dB DECIMATION BY 256 Figure 8. Typical FFT, ±200 mV Range (Using Sinc3 Filter, 256 Decimation Rate) 0 –90 –80 –70 –60 –50 –40 –30 –20 –10 0.195 0.315 0.215 0.235 0.255 0.275 0.295 ± INPUT AMPLITUDE (V) VDD1 =VDD2 =5V Figure 9. SINAD vs. VIN CODE 0.5 –0.4 –0.3 –0.2 0 –0.1 0.1 0.2 0.3 0.4 0 60000 50000 40000 30000 20000 10000 VIN+ = –200mV TO +200mV VIN– = 0V Figure 10. Typical DNL, ±200 mV Range (Using Sinc3 Filter, 256 Decimation Rate) CODE 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 0 60000 50000 40000 30000 20000 10000 VIN+ = –200mV TO +200mV VIN–= 0V Figure 11. Typical INL, ±200 mV Range (Using Sinc3 Filter, 256 Decimation Rate) |
类似零件编号 - AD7400 |
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类似说明 - AD7400 |
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