MCP3422A1-E/MS Microchip Technology, MCP3422A1-E/MS Datasheet - Page 3
MCP3422A1-E/MS
Manufacturer Part Number
MCP3422A1-E/MS
Description
18-Bit, Multi-Channel Delta-Sigma ADC w/ I2C Interface and On-Board Reference ; 8L MSOP 3x3mm
Manufacturer
Microchip Technology
Datasheet
1.MCP3422A1-EMS.pdf
(56 pages)
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Functional Block Diagram
Functional Block Diagram
© 2008 Microchip Technology Inc.
CH1+
CH2+
CH1+
CH2+
CH3+
CH4+
CH1-
CH2-
CH1-
CH2-
CH3-
CH4-
MCP3423
Gain = 1,2,4, or 8
Gain = 1,2,4, or 8
MCP3424
PGA
PGA
V
V
SS
SS
Voltage Reference
Voltage Reference
Converter
Converter
Oscillator
Oscillator
ΔΣ ADC
ΔΣ ADC
(2.048V)
(2.048V)
Clock
Clock
V
V
V
V
REF
REF
DD
DD
Interface
Interface
I
I
2
2
C
C
MCP3422/3/4
SCL
SDA
SDA
Adr1
Adr0
Adr1
Adr0
SCL
DS22088B-page 3
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