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MCP3912 Datasheet(PDF) 10 Page - Microchip Technology |
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MCP3912 Datasheet(HTML) 10 Page - Microchip Technology |
10 / 82 page MCP3912 DS20005348A-page 10 2014 Microchip Technology Inc. 2.0 TYPICAL PERFORMANCE CURVES 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 2-1: Spectral Response. FIGURE 2-2: Spectral Response. FIGURE 2-3: Spectral Response. FIGURE 2-4: Spectral Response. FIGURE 2-5: Measurement Error with 1-Point Calibration. FIGURE 2-6: Measurement Error with 2-Point Calibration. Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. -140 -120 -100 -80 -60 -40 -20 0 V in = -0.5 dBFS @ 60 Hz f D = 3.9 ksps OSR = 256 Dithering = Off 16 ksamples FFT -180 -160 140 0 500 1000 1500 2000 Frequency (Hz) 20 0 V in = -60 dBFS @ 60 Hz -40 -20 f D = 3.9 ksps OSR = 256 Dithering = Off -80 -60 16 ksamples FFT -120 -100 -160 -140 -180 -160 0 500 1000 1500 2000 0 500 1000 1500 2000 Frequency (Hz) -140 -120 -100 -80 -60 -40 -20 0 V in = -0.5 dBFS @ 60 Hz f D = 3.9 ksps OSR = 256 Dithering = Maximum 16 ksamples FFT -180 -160 140 0 500 1000 1500 2000 Frequency (Hz) 0 -40 -20 0 V in = -60 dBFS @ 60 Hz f D = 3.9 ksps OSR = 256 -80 -60 Dithering = Maximum 16 ksamples FFT -120 -100 -160 -140 -180 0 500 1000 1500 2000 Frequency (Hz) -1.0% -0.5% 0.0% 0.5% 1.0% 0.01 0.1 1 10 100 1000 Current Channel Input Amplitude (mV Peak) % Error Channel 0, 1 -1.0% -0.5% 0.0% 0.5% 1.0% 0.01 0.1 1 10 100 1000 Current Channel Input Amplitude (mV Peak) % Error Channel 0, 1 |
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