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MCP3461RT-E/ST датащи(PDF) 22 Page - Microchip Technology |
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MCP3461RT-E/ST датащи(HTML) 22 Page - Microchip Technology |
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22 / 118 page ![]() MCP3461/2/4R DS20006404C-page 22 2020-2021 Microchip Technology Inc. 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 2-43: SINAD vs. AMCLK vs. AVDD. FIGURE 2-44: SINAD vs. Input Signal Frequency. FIGURE 2-45: Offset Error vs. AVDD (AZ_MUX = 0). FIGURE 2-46: Offset Error vs. Temperature (AZ_MUX = 0). FIGURE 2-47: Offset Error vs. AVDD (AZ_MUX = 1). FIGURE 2-48: Offset Error vs. Temperature (AZ_MUX = 1). 70 75 80 85 90 95 100 015 20 5 10 MCLK Frequency (MHz) BOOST=1x, AVDD=2.7V BOOST=1x, AVDD=3.3V BOOST=1x, AVDD=3.6V GAIN = 1x 0 20 40 60 80 100 120 Analog Input Signal Frequency (Hz) OSR = 32 OSR = 64 OSR = 128 OSR = 256 -1400 -1200 -1000 -800 -600 -400 -200 0 2.7 3 3.3 3.6 AV DD Supply Voltage (V) GAIN = 0.33 GAIN = 1 GAIN = 2 GAIN = 4 GAIN = 8 GAIN = 16 T A = 25°C, AZ_MUX = 0 -1000 -800 -600 -400 -200 0 200 400 600 800 1000 -50 -25 0 25 50 75 100 125 Temperature (°C) GAIN = 0.33 GAIN = 1 GAIN = 2 GAIN = 4 GAIN = 8 GAIN = 16 AV DD = 3.3V AZ_MUX = 0 0 200 400 600 800 1,000 1,200 2.7 3 3.3 3.6 AV DD Supply Voltage (V) GAIN = 0.33 GAIN = 1 GAIN = 2 GAIN = 4 GAIN = 8 GAIN = 16 T A = 25°C, AZ_MUX = 1 -1,000 -800 -600 -400 -200 0 200 400 600 800 1,000 -50 -25 0 255075 100 125 Temperature (°C) GAIN = 0.33 GAIN = 1 GAIN = 2 GAIN = 4 GAIN = 8 GAIN = 16 AV DD = 3.3V AZ_MUX = 1 |
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