MCP3911 datasheet(15/72 Pages) MICROCHIP

15 / 72 page

DS22286A-page 15

MCP3911

Note:

Unless otherwise indicated, AVDD = 3.3V, DVDD = 3.3V; TA = 25°C, MCLK = 4 MHz; PRESCALE = 1;

OSR = 256; GAIN = 1; Dithering = Maximum; VIN = -0.5 dBFS @ 60 Hz, VREFEXT = 0; CLKEXT = 1,

AZ_FREQ = 0; BOOST = 1X.

FIGURE 2-25:

SNR vs. Input Signal

Amplitude.

FIGURE 2-26:

SFDR vs. Input Signal

Amplitude.

FIGURE 2-27:

THD vs. Temperature.

FIGURE 2-28:

SINAD vs. Temperature.

FIGURE 2-29:

SNR vs. Temperature.

FIGURE 2-30:

SFDR vs. Temperature.

100

110

120

Channel 0

Channel 1

-6

-5

-4

-3

-2

-1

Input Signal Amplitude (dBFS)

100

110

120

Channel 0

Channel 1

-6

-5

-4

-3

-2

-1

Input Signal Amplitude (dBFS)

-120

-110

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

-50

-25

100

125

150

Temperature (°C)

G=32

G=16

G=8

G=4

G=2

G=1

100

-50

-25

100

125

150

Temperature (°C)

G=32

G=16

G=8

G=4

G=2

G=1

100

-50

-25

100

125

150

Temperature (°C)

G=32

G=16

G=8

G=4

G=2

G=1

100

110

120

-50

-25

100

125

150

Temperature (°C)

G=32

G=16

G=8

G=4

G=2

G=1

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