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MCP3461RT-E/ST 数据表(PDF) 17 Page - Microchip Technology |
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MCP3461RT-E/ST 数据表(HTML) 17 Page - Microchip Technology |
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17 / 118 page ![]() 2020-2021 Microchip Technology Inc. DS20006404C-page 17 MCP3461/2/4R Note: Unless otherwise indicated, AVDD = 3.3V, DVDD = 3.3V, TA = +25°C, MCLK = 4.9152 MHz, VIN = -0.5 dBFS at 50 Hz, VREF = AVDD, ADC_MODE[1:0] = 11. All other registers are set to default value. Histogram ticks are centered at their bin center. FIGURE 2-13: SFDR vs. OSR, External VREF. FIGURE 2-14: SINAD vs. OSR, Internal VREF. FIGURE 2-15: SNR vs. OSR, Internal VREF. FIGURE 2-16: SFDR vs. OSR. FIGURE 2-17: SFDR vs. OSR, Internal VREF. FIGURE 2-18: SNR Distribution Histogram. 0 20 40 60 80 100 120 140 Oversampling Ratio (OSR) GAIN = 0.33 GAIN = 1 GAIN = 2 GAIN = 4 GAIN = 8 GAIN = 16 0 20 40 60 80 100 120 Oversampling Ratio (OSR) GAIN = 0.33 GAIN = 1 GAIN = 2 GAIN = 4 GAIN = 8 GAIN = 16 0 20 40 60 80 100 120 Oversampling Ratio (OSR) GAIN = 0.33 GAIN = 1 GAIN = 2 GAIN = 4 GAIN = 8 GAIN = 16 -140 -120 -100 -80 -60 -40 -20 0 Oversampling Ratio (OSR) GAIN = 0.33 GAIN = 1 GAIN = 2 GAIN = 4 GAIN = 8 GAIN = 16 0 20 40 60 80 100 120 140 Oversampling Ratio (OSR) GAIN = 0.33 GAIN = 1 GAIN = 2 GAIN = 4 GAIN = 8 GAIN = 16 0 5 10 15 20 25 30 35 40 45 50 Signal-to-Noise Ratio (dB) 33 devices x 3 lots Bin Size: 0.05 dB |
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