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Analogue to Digital Converter, Delta Sigma, 18 bit, 3.75 SPS, Differential, I2C, Single, 2.7 V


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MCP3423-E/UN   Datasheet
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Product Range Selector (Dual 8-Bit Delta Sigma ADCs)

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Product Overview

The MCP3423-E/UN is a multi-channel delta-sigma Analog-to-digital Converter (ADC) with I²C™ interface and on-board reference. This device is the low noise and high accuracy analog-to-digital converter family members of the MCP342X series from Microchip Technology Inc. This device can output analog-to-digital conversion results at rates of 3.75/15/60/240 samples per second depending on the user controllable configuration bit settings using the two-wire I²C serial interface. During each conversion the device calibrates offset and gain errors automatically. This provides accurate conversion results from conversion to conversion over variations in temperature and power supply fluctuation. The I²C address bits for the ADC are selected by using two external I²C address selection pins. The user can configure the device to one of eight available addresses by connecting these two address selection pins to VDD, VSS or float.
  • Self calibration of internal offset and gain per each conversion
  • Onboard oscillator
  • Standard, fast and high speed modes
  • User configurable two external address pins


Portable Devices, Sensing & Instrumentation, Consumer Electronics, Automation & Process Control

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Technical Documents (2)

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