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MCP3903 Datasheet Six Channel Delta Sigma A/D Converter

Manufacturer: Microchip Technology

Overview: www.DataSheet.co.kr MCP3903 Six Channel Delta Sigma A/D Converter.

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General Description

The MCP3903 is a six-channel Analog Front End (AFE) containing three pairs made out of two synchronous sampling Delta-Sigma Analog-to-Digital Converters (ADC) with PGA, a phase delay compensation block, internal voltage reference, and high-speed 10 MHz SPI compatible serial interface.

The converters contain a proprietary dithering algorithm for reduced idle tones and improved THD.

The internal register map contains 24-bit wide ADC data words, a modulator output register as well as six 24-bit writable control registers to program gain, over-sampling ratio, phase, resolution, dithering, shut-down, reset and several communication

Key Features

  • Six Synchronous Sampling 16/24-bit Resolution Delta-Sigma A/D Converters with Proprietary Multi-Bit Architecture.
  • 91 dB SINAD, -100 dBc Total Harmonic Distortion (THD) (up to 35th harmonic), 102 dB Spurious-free Dynamic Range (SFDR) for Each Channel.
  • Programmable Data Rate up to 64 ksps.
  • Ultra Low-Power Shutdown Mode with.

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