MCP3910 datasheet(11/90 Pages) MICROCHIP

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DS20005116D-page 11

MCP3910

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

in = -0.5 dBFS @ 60 Hz

D = 3.9 ksps

OSR = 256

Dithering = Off

16 ksamples FFT

-180

-160

140

500

1000

1500

2000

Frequency (Hz)

in = -60 dBFS @ 60 Hz

-40

-20

D = 3.9 ksps

OSR = 256

Dithering = Off

-80

-60

16 ksamples FFT

-120

-100

-160

-140

-180

-160

500

1000

1500

2000

500

1000

1500

2000

Frequency (Hz)

-140

-120

-100

-80

-60

-40

-20

in = -0.5 dBFS @ 60 Hz

D = 3.9 ksps

OSR = 256

Dithering = Maximum

16 ksamples FFT

-180

-160

140

500

1000

1500

2000

Frequency (Hz)

-40

-20

in = -60 dBFS @ 60 Hz

D = 3.9 ksps

OSR = 256

-80

-60

Dithering = Maximum

16 ksamples FFT

-120

-100

-160

-140

-180

500

1000

1500

2000

Frequency (Hz)

-1.0%

-0.5%

0.0%

0.5%

1.0%

0.01

0.1

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

100

1000

Current Channel Input Amplitude (mV

Peak)

% Error Channel 0, 1

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