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MCP3301-CI/MS датащи(PDF) 10 Page - Microchip Technology |
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MCP3301-CI/MS датащи(HTML) 10 Page - Microchip Technology |
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10 / 32 page ![]() MCP3301 DS21700C-page 10 © 2007 Microchip Technology Inc. Note: Unless otherwise indicated, VDD = VREF = 5V, Full differential input configuration, VSS = 0V, fSAMPLE = 100 ksps, fCLK = 17*fSAMPLE, TA = 25°C. FIGURE 2-25: Effective Number of Bits (ENOB) vs. V REF. FIGURE 2-26: Spurious Free Dynamic Range (SFDR) vs. Input Frequency. FIGURE 2-27: Frequency Spectrum of 10 kHz Input (Representative Part). FIGURE 2-28: Effective Number of Bits (ENOB) vs. Input Frequency. FIGURE 2-29: Power Supply Rejection (PSR) vs. Ripple Frequency. FIGURE 2-30: Frequency Spectrum of 1 kHz Input (Representative Part, V DD = 2.7V). 7 8 9 10 11 12 13 012 34 56 VREF (V) VDD=2.7V FSAMPLE = 50 ksps VDD=5V FSAMPLE = 100 ksps 0 10 20 30 40 50 60 70 80 90 100 110 100 Input Frequency (kHz) VDD=VREF=2.7V FSAMPLE = 50 ksps VDD=VREF=5V FSAMPLE = 100 ksps -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 5000 10000 15000 20000 25000 Frequency (Hz) 11.2 11.4 11.6 11.8 12 12.2 12.4 12.6 12.8 13 110 100 Input Frequency (kHz) VDD=VREF=2.7V FSAMPLE = 50 ksps VDD=VREF=5V FSAMPLE = 100 ksps -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 1 10 100 1000 10000 Ripple Frequency (kHz) 0.1 µF Bypass Capacitor -150 -140 -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 5000 10000 15000 20000 25000 Frequency (Hz) |
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