MCP3564-ESLASHST datasheet(17/108 Pages) MICROCHIP

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DS20006181C-page 17

MCP3561/2/4

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 2-25:

SINAD vs. Input Signal

Frequency.

FIGURE 2-26:

Offset Error vs. AVDD

(AZ_MUX = 0).

FIGURE 2-27:

Offset Error vs. Temperature

(AZ_MUX = 0).

FIGURE 2-28:

Offset Error vs. AVDD

(AZ_MUX = 1).

FIGURE 2-29:

Offset Error vs. Temperature

(AZ_MUX = 1).

FIGURE 2-30:

Gain Error vs. AVDD.

100

120

Analog Input Signal Frequency (Hz)

OSR = 32

OSR = 64

OSR = 128

OSR = 256

-1400

-1200

-1000

-800

-600

-400

-200

2.7

3.3

3.6

DD Supply Voltage (V)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

A = +25°C, AZ_MUX = 0

-1000

-800

-600

-400

-200

200

400

600

800

1000

-50

-25

100

125

Temperature (°C)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

DD = 3.3V

AZ_MUX = 0

200

400

600

800

1 000

1 200

2.7

3.3

3.6

DD Supply Voltage (V)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

A = +25°C,

AZ_MUX = 1

-1,000

-800

-600

-400

-200

200

400

600

800

1,000

-50

-25

100

125

Temperature (°C)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

DD = 3.3V

AZ_MUX = 1

0.2

0.4

0.6

0.8

1.2

1.4

1.6

1.8

2.7

3.3

3.6

DD Supply Voltage (V)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

A = +25°C

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