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MCP3911 Datasheet PDF

Part Series:MCP3911 Series
Category:Interface ICs
Description:AFE General Purpose 2ADC 24Bit 3.3V 20Pin QFN EP Tube
Document:MCP3911A0-E/SS Datasheet PDF (77 Pages)

MCP3911A0-E/ML - Microchip Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
20 Pin
Supply Voltage (DC)
2.70V (min)
Case/Package
QFN-20
Power Rating
8.9 mW
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MCP3911A0-E/ML - Microchip Function Overview

The MCP3911A0-E/ML is a 2-channel Analog Front End (AFE) containing two synchronous sampling delta-sigma analog-to-digital converters (ADC), two PGAs, phase delay compensation block, low-drift internal voltage reference, modulator output block, digital offset and gain errors calibration registers and high-speed 20MHz SPI compatible serial interface. The MCP3911 ADCs are fully configurable with features such as, 16/24-bit resolution, OSR from 32 to 4096, gain from 1x to 32x, independent shutdown and reset, dithering and auto-zeroing. The MCP3911 is capable of interfacing a large variety of voltage and current sensors including shunts, current transformers, Rogowski coils and Hall effect sensors.
94.5dB SINAD, -106.5dBc Total harmonic distortion (THD) (up to 35th harmonic)
111dB Spurious-free dynamic range (SFDR) for each channel
Programmable data rate up to 125ksps
Ultra low-power shutdown mode with <2µA
-122dB Crosstalk between the two channels
7ppm/°C Low drift internal voltage reference
Differential voltage reference input pins
High gain PGA on each channel (up to 32V/V)
Phase delay compensation with 1µs time resolution
Separate modulator outputs for each channel
Oversampling ratio up to 4096
Individual 24-bit Digital offset and gain error correction for each channel
High-speed 20MHz SPI Interface with mode 0,0 and 1,1 compatibility
Continuous Read/Write modes for minimum communication
Low power consumption (8.9mW at 3.3V, 5.6mW at 3.3V in low-power mode, typical)
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