MCP3422 datasheet(2/58 Pages) MICROCHIP

部件名	MCP3422

功能描述	18-Bit, Multi-Channel ?誇 Analog-to-Digital Converter with I2C??Interface and On-Board Reference

PDF	58 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

2 / 58 page

MCP3422/3/4

DS22088C-page 2

The MCP3422 and MCP3423 devices have two

differential input channels and the MCP3424 has four-

differential input channels. All electrical properties of

these three devices are the same except the

differences in the number of input channels and I2C

address bit selection options.

The MCP3422 is available in 8-pin SOIC, DFN, and

MSOP packages. The MCP3423 is available in 10-pin

DFN, and MSOP packages. The MCP3424 is available

in 14-pin SOIC and TSSOP packages.

Package Types

Functional Block Diagram

CH2-

VSS

CH3+

Adr1

Adr0

CH2+

CH3-

CH1-

CH4+

CH1+

CH4-

SDA

SCL

VDD

CH1-

VDD

SDA

Adr0

VSS

SCL

CH1+

Adr1

CH2-

CH2+

CH1-

VDD

SDA

CH2+

VSS

SCL

CH1+

CH2-

MCP3422

2x3 DFN*

VDD

CH1-

SDA

CH2+

VSS

5 SCL

CH2-

CH1+

* Includes Exposed Thermal Pad (EP); see Table 3-1.

MCP3423

3x3 DFN*

VSS

CH1-

CH2+

Adr0

SCL

7 SDA

Adr1

CH1+

CH2-

6 VDD

MCP3422

MSOP, SOIC

MCP3423

MSOP

MCP3424

SOIC, TSSOP

VSS

VDD

PGA

SCL

SDA

I2C

Interface

Gain = 1,2,4, or 8

Voltage Reference

Clock

(2.048V)

VREF

ΔΣ ADC

Converter

Oscillator

CH1+

CH1-

CH2+

CH2-

MCP3422

MCP3422 数据表(PDF) 2 Page - Microchip Technology

MCP3422 数据表(HTML) 2 Page - Microchip Technology

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MCP3422 数据表(PDF) 2 Page - Microchip Technology

MCP3422 数据表(HTML) 2 Page - Microchip Technology

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