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MCP3913 数据表(PDF) 13 Page - Microchip Technology |
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MCP3913 数据表(HTML) 13 Page - Microchip Technology |
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13 / 82 page ![]() 2013 Microchip Technology Inc. DS20005227A-page 13 MCP3913 Note: Unless otherwise indicated, AVDD = 3V, DVDD = 3V; TA = +25°C, MCLK = 4 MHz; PRESCALE = 1; OSR = 256; GAIN = 1; Dithering = Maximum; VIN = -0.5 dBFS @ 60 Hz on all channels, VREFEXT = 0; CLKEXT = 1; BOOST<1:0> = 10. FIGURE 2-25: SNR vs. Input Signal Amplitude. FIGURE 2-26: SFDR vs. Input Signal Amplitude. FIGURE 2-27: SINAD vs. Input Frequency. FIGURE 2-28: THD vs. Temperature. FIGURE 2-29: SINAD vs. Temperature. FIGURE 2-30: SNR vs. Temperature. -20 0 20 40 60 80 100 0.001 0.01 0.1 1 10 100 1000 Input Signal Amplitude (mV PK) GAIN = 1x GAIN = 2x GAIN = 4x GAIN = 8x GAIN = 16x GAIN = 32x 0 20 40 60 80 100 120 140 0.001 0.01 0.1 1 10 100 1000 Input Signal Amplitude (mV PK) GAIN = 1x GAIN = 2x GAIN = 4x GAIN = 8x GAIN = 16x GAIN = 32x 0 20 40 60 80 100 120 10 100 1000 10000 100000 Signal Frequency (Hz) OSR = 32 OSR = 64 OSR = 128 OSR = 256 OSR = 512 OSR = 1024 OSR = 2048 OSR = 4096 -120 -100 -80 -60 -40 -20 0 -50 -25 0 25 50 75 100 125 Temperature (°C) GAIN = 1x GAIN = 2x GAIN = 4x GAIN = 8x GAIN = 16x GAIN = 32x 0 10 20 30 40 50 60 70 80 90 100 -50 -25 0 25 50 75 100 125 Temperature (°C) GAIN = 1x GAIN = 2x GAIN = 4x GAIN = 8x GAIN = 16x GAIN = 32x 0 10 20 30 40 50 60 70 80 90 100 -50 -25 0 25 50 75 100 125 Temperature (°C) GAIN = 1x GAIN = 2x GAIN = 4x GAIN = 8x GAIN = 16x GAIN = 32x |
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