MCP3465R datasheet(22/110 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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22 / 110 page

MCP3465R

DS20006414C-page 22

 2020-2021 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 = 11. All other registers are set to the default value.

Histogram ticks are centered at their bin center.

FIGURE 2-55:

DIDD and AIDD vs. DVDD

and AVDD.

FIGURE 2-56:

AIDD vs. MCLK (Internal

VREF).

FIGURE 2-57:

DIDD and AIDD vs.

Temperature.

FIGURE 2-58:

VREF Output vs. Time

(T = +25°C, AVDD =3.3V).

FIGURE 2-59:

VREF Output Voltage vs.

Temperature (AVDD =3.3V).

FIGURE 2-60:

Internal VREF Output

Voltage vs. AVDD.

0.5

1.5

2.5

1.8

2.1

2.4

2.7

3.3

3.6

DD/DVDD (V)

DD BOOST = 2x

DD BOOST = 1x

DD BOOST = 0.66x

DD BOOST = 0.5x

0.5

1.5

2.5

MCLK Frequency (MHz)

DD BOOST = 2x

DD BOOST = 1x

DD BOOST = 0.66x

DD BOOST = 0.5x

0.5

1.5

2.5

-50

-25

255075

100

125

Temperature ( C)

DD BOOST = 0.5x

DD BOOST = 0.66x

DD BOOST = 1x

DD BOOST = 2x

2.41178

2.41179

2.4118

2.41181

2.41182

2.41183

2.41184

2.41185

2.41186

024

Time (s)

Output Noise = 14.3 V

RMS

100 Samples (100 ms per sample)

2.38

2.385

2.39

2.395

2.4

2.405

2.41

2.415

-50

-25

255075

100

125

Temperature (°C)

11 Devices x 3 Lots

2.3978

2.3979

2.398

2.3981

2.3982

2.3983

2.3984

2.3985

2.3986

2.3987

2.3988

2.7

2.8

2.9

3.1

3.2

3.3

3.4

3.5

3.6

DD (V)

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