Manufacturer Part Number
MCP3422A0-E/MS
Manufacturer
Microchip Technology
Introduction
High-precision ADC for complex data acquisition systems
Product Features and Performance
18-bit resolution
Sampling rate of 3.75 samples per second
2 differential input channels
I2C data interface for easy communications
Integrated MUX, PGA, and ADC for compact design
Sigma-Delta architecture for high noise rejection
Internal voltage reference ensures stable measurements
Programmable Gain Amplifier for signal amplification
Wide operating temperature range from -40°C to 125°C
Product Advantages
High-resolution ADC enhances measurement accuracy
Low sampling rate suitable for low-speed applications
Differential inputs reduce common-mode noise
I2C interface simplifies system integration
Internal reference reduces external component count
Programmable gain for accommodating various signal levels
Robust temperature range for industrial applications
Key Technical Parameters
Number of Bits: 18
Sampling Rate: 3.75 sps
Number of Inputs: 2 (Differential)
Data Interface: I2C
Voltage Supply Range: 2.7V to 5.5V (Analog and Digital)
PGA Feature: Included
Operating Temperature: -40°C to 125°C
Quality and Safety Features
Robust operating temperature range for thermal reliability
High-resolution ADC for accurate data acquisition
Sigma-Delta architecture enhancing noise tolerance
Compatibility
Compatible with I2C protocol for wide-ranging MCU/MPU connectivity
Application Areas
Industrial measurement systems
Data logging equipment
Medical instrumentation
Portable devices and IoT sensors
Product Lifecycle
Active status product with continuous manufacturer support
Long-term availability typically assured for industrial components
Several Key Reasons to Choose This Product
High precision and resolution offer detailed measurement capabilities
Versatile input and programmable gain suitable for various sensors
Wide voltage supply range enabling usage in many power environments
Robust package and temperature rating ideal for harsh industrial conditions
Minimal additional components needed due to internal reference and PGA
Microchip's reputation for quality and long-term support reduces risks in product development
MCP33151D-05-E/MSMicrochip