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MCP3201-BIST Scheda tecnica(PDF) 9 Page - Microchip Technology |
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MCP3201-BIST Scheda tecnica(HTML) 9 Page - Microchip Technology |
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9 / 20 page ![]() © 1999 Microchip Technology Inc. Preliminary DS21290B-page 9 MCP3201 Note: Unless otherwise indicated, V DD = VREF = 5V, VSS = 0V, fSAMPLE = 100ksps, fCLK = 16*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 10kHz 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 1kHz input (Representative Part, V DD = 2.7V). 9.00 9.25 9.50 9.75 10.00 10.25 10.50 10.75 11.00 11.25 11.50 11.75 12.00 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VREF (V) V DD = VREF = 2.7V F SAMPLE = 50ksps V DD = VREF = 5V F SAMPLE =100ksps 0 10 20 30 40 50 60 70 80 90 100 110 100 Input Frequency (kHz) V DD = VREF = 2.7V F SAMPLE = 50ksps V DD = VREF = 5V F SAMPLE = 100ksps -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 10000 20000 30000 40000 50000 Frequency (Hz) V DD = VREF = 5V F SAMPLE = 100ksps F INPUT = 9.985kHz 4096 points 8.0 8.5 9.0 9.5 10.0 10.5 11.0 11.5 12.0 110 100 Input Frequency (kHz) V DD = 2.7V F SAMPLE = 50ksps V DD = 5V F SAMPLE = 100ksps -80 -70 -60 -50 -40 -30 -20 -10 0 1 10 100 1000 10000 Ripple Frequency (kHz) -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 5000 10000 15000 20000 25000 Frequency (Hz) V DD = VREF = 2.7V F SAMPLE = 50ksps F INPUT = 998.76Hz 4096 points |
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