MCP3461RT-ESLASHST datasheet(20/118 Pages) MICROCHIP

номер детали	MCP3461RT-E/ST

подробное описание детали	Two/Four/Eight-Channel, 153.6 ksps, Low-Noise, 16-Bit Delta-Sigma ADCs with Internal Voltage Reference

PDF	118 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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20 / 118 page

MCP3461/2/4R

DS20006404C-page 20

 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[1:0] = 11. All other registers are set to default value. Histogram ticks

are centered at their bin center.

FIGURE 2-31:

SNR vs. Temperature,

Internal VREF.

FIGURE 2-32:

THD vs. Temperature,

Internal VREF.

FIGURE 2-33:

SFDR vs. Temperature,

Internal VREF.

FIGURE 2-34:

Dynamic Performance vs.

Input Signal Amplitude.

FIGURE 2-35:

SINAD vs. AMCLK

(Boost = 0.5x, External VREF).

FIGURE 2-36:

SINAD vs. AMCLK

(Boost = 0.66x, External VREF).

100

120

-50

-25

100

125

Temperature (°C)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

-120

-100

-80

-60

-40

-20

-50

-25

100

125

Temperature (°C)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

100

120

140

-50

-25

100

125

Temperature (°C)

GAIN = 0.33

GAIN = 1

GAIN = 2

GAIN = 4

GAIN = 8

GAIN = 16

100

120

140

-8

-6

-4

-2

Analog Input Signal Amplitude (dBFS)

SINAD (dB)

SNR (dB)

-THD (dBc)

SFDR (dBc)

REF = 2.7V

DD = 3.3V

100

015

MCLK Frequency (MHz)

GAIN=0.33

GAIN=1

GAIN=2

GAIN=4

GAIN=8

GAIN=16

BOOST = 0.5x

100

015

MCLK Frequency (MHz)

GAIN=0.33

GAIN=1

GAIN=2

GAIN=4

GAIN=8

GAIN=16

BOOST = 0.66x

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