MCP3911A0T-E/SS 데이터 시트보기 (PDF) - Microchip Technology

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MCP3911A0T-E/SS

3.3V Two-Channel Analog Front End

Microchip Technology 

MCP3911

Functional Block Diagram

REFIN/OUT

REFIN-

CH0+

CH0-

CH1+

CH1-

Voltage

VREFEXT

Reference

+

VREF

-

AVDD

DVDD

AMCLK

DMCLK/DRCLK

Clock

Generation

Xtal Oscillator

MCLK

OSC1

OSC2

VREF- VREF+ ANALOG DIGITAL

+

-

PGA

+

-

PGA

SINC3+

SINC1

MOD<3:0>

'6

Modulator

)

MOD<7:4>

'6

Modulator

SINC3+

SINC1

OFFCAL_CH0 GAINCAL_CH0

<23:0>

<23:0>

+

X

DATA_CH0

<23:0>

Phase

PHASE <11:0>

Shifter

OFFCAL_CH1 GAINCAL_CH1

<23:0>

<23:0>

+

X

DATA_CH1

<23:0>

DMCLK

OSR<2:0>

PRE<1:0>

Digital SPI

Interface

DR

SDO

RESET

SDI

SCK

CS

DUAL '6 ADC

MODOUT<1:0>

MOD<7:0>

Modulator

Output Block

MDAT0

MDAT1

POR

AVDD

Monitoring

AGND

DGND

POR

DVDD

Monitoring

DS20002286C-page 2

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