MCP3913 datasheet(11/82 Pages) MICROCHIP

11 / 82 page

 2013 Microchip Technology Inc.

DS20005227A-page 11

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 2-13:

SNR vs.OSR.

FIGURE 2-14:

SFDR vs. OSR.

FIGURE 2-15:

THD vs. MCLK.

FIGURE 2-16:

SINAD vs. MCLK.

FIGURE 2-17:

SNR vs. MCLK.

FIGURE 2-18:

SFDR vs. MCLK.

100

120

128

256

512

1024 2048 4096

Oversampling Ratio (OSR)

Dithering = Maximum

Dithering = Medium

Dithering = Minimum

Dithering = OFF

100

105

110

115

120

128

256

512 1024 2048 4096

Oversampling Ratio (OSR)

Dithering = Maximum

Dithering = Medium

Dithering = Minimum

Dithering = OFF

-110

-105

-100

-95

-90

-85

-80

-75

-70

-65

-60

2468

MCLK Frequency (MHz)

Boost = 00

Boost = 01

Boost = 10

Boost = 11

100

2468

MCLK Frequency (MHz)

Boost = 00

Boost = 11

Boost = 01

Boost = 10

100

2468

MCLK Frequency (MHz)

Boost = 00

Boost = 11

Boost = 01

Boost = 10

100

110

120

2468

MCLK Frequency (MHz)

Boost = 00

Boost = 11

Boost = 01

Boost = 10

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