Microchip Technology MCP3911A0-E/ML

Description
The MCP3911 is a 2.7V to 3.6V dual-channel Analog Front End (AFE) featuring:
Two synchronous sampling Delta-Sigma Analog-to-Digital Converters (ADCs)
Two Programmable Gain Amplifiers (PGAs)
Phase delay compensation block
Low-drift internal voltage reference
Modulator output block
Digital offset and gain error calibration registers
High-speed 20 MHz SPI compatible serial interface

Features
16/24-bit resolution
94.5 dB SINAD, -106.5 dBc Total Harmonic Distortion (THD), 111 dB SNDR for each channel
Programmable data rate up to 125 ksps
4 MHz maximum sampling frequency
Oversampling ratio up to 4096
Ultra-low power shutdown mode with <2 μA
-122 dB crosstalk between the two channels
Low-drift 1.2V internal voltage reference: 7 ppm/°C
Differential voltage reference input pins
High gain PGA on each channel (up to 32V/V)
Phase delay compensation with 1 us time resolution
Separate modulator output pins for each channel
Separate data ready pin for easy synchronization
Individual 24-bit digital offset and gain error correction for each channel
High-speed 20 MHz SPI interface with Mode 0,0 and 1,1 compatibility
Continuous read/write modes for minimum communication
Low power consumption (8.9 mW at 3.3V, 5.6 mW at 3.3V in low-power mode)

Applications
Energy metering and power measurement
Automotive
Portable instrumentation
Medical and power monitoring
Audio/voice recognition