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AS1544 数据表(PDF) 9 Page - ams AG |
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AS1544 数据表(HTML) 9 Page - ams AG |
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9 / 29 page ![]() www.austriamicrosystems.com Revision 1.00 9 - 29 AS1543/44 Data Sheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s 7 Typical Operating Characteristics VDD = 5.25V; VREF = 2.5V, CREF = 4.7µF, RANGE=1, SE/FDN=1, TAMB = +25ºC (unless otherwise specified). Figure 5. Integral Nonlinearity vs. Digital Output Code Figure 6. Differential Nonlinearity vs. Digital Output Code Figure 7. FFT @ 50kHz; RANGE=1, SE/FDN=1 Figure 8. FFT @ 50kHz; RANGE=1, SE/FDN=0 Figure 9. ENOB vs. VREFIN; RANGE=1, SE/FDN=1 Figure 10. ENOB vs. Input Signal Frequency -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 0 1024 2048 3072 4096 Digital Output Code -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 0 1024204830724096 Digital Output Code fSAMPLE = 1Msps fSAMPLE = 1Msps -120 -100 -80 -60 -40 -20 0 20 0 100 200 300 400 500 Input Signal Frequency (kHz) -120 -100 -80 -60 -40 -20 0 20 0 100 200 300 400 500 Input Signal Frequency (kHz) fSAMPLE = 1Msps NFFT = 32768 SNR=72.1dB THD = -84.7dB SFDR = 86.2dB fSAMPLE = 1Msps NFFT = 32768 SNR=71.0dB THD = -85.5dB SFDR = 86.5dB 11 11.1 11.2 11.3 11.4 11.5 11.6 11.7 11.8 10 100 1000 Frequency (kHz) 11 11.1 11.2 11.3 11.4 11.5 11.6 11.7 12 3 4 5 VREFIN (V) VDD = 2.7V VDD = 3.6V VDD = 4.75V VDD = 5.25V VDD = 5V VDD = 3V |
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