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MCP3422A4T-E/MC 产品设计参考手册 - Microchip（微芯）
制造商:
Microchip（微芯）
分类:
AD转换器
封装:
DFN-8
描述:
18位，多通道I ??我英镑的模拟数字转换器与I2Câ ?? ¢接口和板载参考 18-Bit, Multi-Channel ÎΣ Analog-to-Digital Converter with I2C⢠Interface and On-Board Reference
Pictures:
3D模型
符号图
焊盘图
引脚图
产品图
页面导航:
引脚图在P11Hot
典型应用电路图在P1P31P33
原理图在P2P3
标记信息在P39P40
封装信息在P39P55
技术参数、封装参数在P6P7P27P28
应用领域在P1P34
电气规格在P6P7P11P21P27P28
导航目录
MCP3422A4T-E/MC数据手册
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若手册格式错乱，请下载阅览PDF原文件
MCP3422/3/4
DS22088C-page 2 © 2009 Microchip Technology Inc.
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 I
2
C
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
4
5
6
9
CH2-
V
SS
CH3+
Adr1
Adr0
3
12
CH2+
CH3-
2
13
CH1-
CH4+
1
14
CH1+
CH4-
7
8
SDA
SCL
V
DD
11
10
2
3
4
7
8
9
CH1-
V
DD
SDA
Adr0
V
SS
SCL
1
10
CH1+
Adr1
5
6
CH2-
CH2+
2
3
4
5
6
7
CH1-
V
DD
SDA
CH2+
V
SS
SCL
1
8
CH1+
CH2-
MCP3422
2x3 DFN*
V
DD
CH1-
SDA
CH2+
V
SS
1
2
3
4
8
7
6
5
SCL
CH2-CH1+
* Includes Exposed Thermal Pad (EP); see Table 3-1.
EP
9
MCP3423
3x3 DFN*
V
SS
CH1-
CH2+
Adr0
SCL
1
2
3
4
10
9
8
7
SDA
Adr1CH1+
EP
11
CH2-
5 6
V
DD
MCP3422
MCP3422
MSOP, SOIC
MCP3423
MCP3424
MCP3423
MSOP
MCP3424
SOIC, TSSOP
V
SS
V
DD
PGA
SCL
SDA
MUX
I
2
C
Interface
Gain = 1,2,4, or 8
Voltage Reference
Clock
(2.048V)
V
REF
ΔΣ ADC
Converter
Oscillator
CH1+
CH1-
CH2+
CH2-
MCP3422
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