MCP3564-ESLASHST datasheet(18/108 Pages) MICROCHIP

18 / 108 page

MCP3561/2/4

DS20006181C-page 18

 2019-2021 Microchip Technology Inc.

Note: Unless otherwise indicated, AVDD =3.3V, DVDD =3.3V; TA = +25°C, MCLK = 4.9152 MHz; VIN = -0.5 dBFS at

50 Hz, VREF =AVDD; ADC_MODE[1:0] = 11. All other register settings to default value. Histogram ticks are centered at

their bin center.

FIGURE 2-31:

Gain Error vs. Temperature.

FIGURE 2-32:

Temperature Sensor

Accuracy vs. Temperature (First-Order Best Fit).

FIGURE 2-33:

Temperature Sensor

Accuracy vs. Temperature (Third-Order Best Fit).

FIGURE 2-34:

Differential Input Impedance

vs. MCLK.

FIGURE 2-35:

ADC Output Code vs.

Differential Input Impedance, Burnout Current

Sources Enabled.

FIGURE 2-36:

DIDD and AIDD vs. MCLK.

0.2

0.4

0.6

0.8

1.2

1.4

1.6

1.8

-50

-25

100

125

Temperature (°C)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

DD = 3.3V

-6

-5

-4

-3

-2

-1

-50

-25

100

125

Temperature (°C)

9 devices x 3 lots

-6

-5

-4

-3

-2

-1

-50

-25

100

125

Temperature (°C)

9 devices x 3 lots

100

1000

10000

125

MCLK Frequency (MHz)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

1.0K

10.0K

100.0K

1.0M

10.0M

110

100

10K 100K 1M

10M 100M

CS_SEL = 01

CS_SEL = 10

CS_SEL = 11

0.2

0.4

0.6

0.8

1.2

1.4

1.6

1.8

MCLK Frequency (MHz)

DD BOOST = 2X

DD BOOST = 1X

DD BOOST = 0.66X

DD BOOST = 0.5X

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