MCP3465R datasheet(21/110 Pages) MICROCHIP

номер детали	MCP3465R

подробное описание детали	Two-Channel, 153.6 ksps, Low Noise 16-Bit Delta-Sigma ADC with Internal Voltage Reference

PDF	110 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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21 / 110 page

 2020-2021 Microchip Technology Inc.

DS20006414C-page 21

MCP3465R

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 = 11. All other registers are set to the default value.

Histogram ticks are centered at their bin center.

FIGURE 2-49:

Gain Error vs. AVDD.

FIGURE 2-50:

Gain Error vs. Temperature.

FIGURE 2-51:

Temperature Sensor

Accuracy vs. Temperature (First Order Best Fit).

FIGURE 2-52:

Differential Input Impedance

vs. MCLK.

FIGURE 2-53:

ADC Output Code vs.

Differential Input Impedance, Burnout Current

Sources Enabled.

FIGURE 2-54:

DIDD and AIDD vs. MCLK.

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

0.2

0.4

0.6

0.8

1.2

1.4

1.6

1.8

-50

-25

255075

100

125

Temperature (°C)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

DD = 3.3V

-5

-4

-3

-2

-1

-50

-25

100

125

Temperature (°C)

61 Devices

100

10K

MCLK Frequency (MHz)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

10K

100K

10M

100

10K

100M

Differential Input Impedance ( )

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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