MCP3911 datasheet(16/72 Pages) MICROCHIP

16 / 72 page

MCP3911

DS22286A-page 16

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 2-31:

Channel 0 Offset vs.

Temperature.

FIGURE 2-32:

Channel 1 Offset vs.

Temperature.

FIGURE 2-33:

Channel to Channel Offset

Match vs. Temperature.

FIGURE 2-34:

Gain Error vs. Temperature.

FIGURE 2-35:

Internal Voltage Reference

vs. Temperature.

FIGURE 2-36:

Internal Voltage Reference

vs. Supply Voltage.

100

150

200

250

300

350

400

G=32

G=16

G=8

G=4

-100

-50

-25

100

125

150

Temperature (°C)

G=2

G=1

100

150

200

250

300

350

400

G=32

G=16

G=8

G=4

-100

-50

-25

100

125

150

Temperature (°C)

G=2

G=1

-80

-60

-40

-20

CHANNEL 0

CHANNEL 1

-120

-100

-50

-25

100

125

150

Temperature (°C)

CHANNEL 0

1.1997

1.1998

1.1999

1.2000

1.2001

1.2002

1.2003

2.5 2.6 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 3.5 3.6

DD (V)

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