MCP3913 Series 3.6 V 4.5 mA SMT Six-Channel Analog Front End - SSOP-28
The MCP3913A1T-E/SS is a high-performance, multi-channel analog front-end (AFE) from Microchip Technology intended for precision measurement applications. It features six simultaneous sampling 24-bit delta-sigma ADCs with integrated programmable gain amplifiers, enabling accurate acquisition of low-level analog signals.
Designed for energy monitoring and industrial sensing, the device provides low noise, high dynamic range, and flexible configuration. It supports SPI communication for efficient interfacing with microcontrollers and digital processing systems.
Key Features
Six simultaneous sampling 24-bit delta-sigma ADC channels
Integrated programmable gain amplifiers per channel
High signal-to-noise ratio and low distortion
Programmable oversampling ratios for performance tuning
Internal voltage reference with external reference option
SPI-compatible digital interface
Configurable data output formats and control registers
Low power operation modes
Electrical Characteristics
Resolution: 24-bit
Number of Channels: 6
Input Configuration: Differential
Supply Voltage: 2.7V to 3.6V
Operating Temperature Range: -40°C to +125°C
Programmable Gain: Up to 32 V/V (typical)
Reference Voltage: Internal or external selectable
Functional Description
The device integrates six high-resolution delta-sigma ADCs that sample input signals simultaneously, ensuring accurate phase and timing relationships across channels. Each input passes through a programmable gain stage, allowing optimization for different sensor levels.
Analog signals are digitized using oversampling and digital filtering techniques to achieve high precision and noise reduction. Configuration is handled via internal registers, and data is transferred through an SPI interface.
Package Information
Package Type: SSOP
Pin Count: 28
Mounting Type: Surface Mount
Applications
Energy metering
Power monitoring systems
Industrial automation
Multi-channel data acquisition
Sensor interfacing
Smart grid systems
Advantages
High integration reduces external components
Simultaneous sampling improves measurement accuracy
High resolution supports precise signal analysis
Flexible configuration for various system requirements