MCP3422A2-E/UN 查看數據表（PDF） - Microchip Technology

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MCP3422A2-E/UN

18-Bit, Multi-Channel ΔΣ Analog-to-Digital Converter with I2C™ Interface and On-Board Reference

Microchip Technology 

MCP3422/3/4

Functional Block Diagram

MCP3423

CH1+

CH1-

CH2+

VSS

VDD

PGA

Voltage Reference

(2.048V)

VREF

ΔΣ ADC

Converter

I2C

Interface

CH2-

Gain = 1,2,4, or 8

Clock

Oscillator

Adr1

Adr0

SCL

SDA

Functional Block Diagram

CH1+

CH1-

CH2+

CH2-

CH3+

CH3-

CH4+

CH4-

VSS

VDD

MCP3424

Voltage Reference

(2.048V)

VREF

PGA

ΔΣ ADC

Converter

I2C

Interface

Gain = 1,2,4, or 8

Clock

Oscillator

Adr1

Adr0

SCL

SDA

© 2009 Microchip Technology Inc.

DS22088C-page 3

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