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MCP3421A0T-E/CH
  • MCP3421A0T-E/CH

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MCP3421A0T-E/CH Overview

The MCP3421 ADC can be used for various high accuracyanalog-to-digital data conversion applications where ease of use, lowpower consumption and small footprint are major considerations.TheMCP3421 is a single channel low-noise, high accuracy delta-sigma A/Dconverter with differential inputs and up to 18 bits of resolution in asmall SOT-23-6 package.Please consider the MCP3425 version forresolutions up to 16 bits. The on-board precision 2.048V referencevoltage enables a differential input range of ±2.048V.The device uses atwo-wire I2C compatible interface and operates from asingle power supply ranging from 2.7V to 5.5V.The MCP3421 ADC performs conversions at rates of 3.75, 15, 60 or 240samples per second with corresponding resolutions of 18, 16, 14 and 12 bits.The onboard programmable gain amplifier (PGA) provides gain up to 8x.The device has two conversion modes: Continuous mode and One-Shot mode.In One-Shot mode, the device enters a low current standby modeautomatically after a conversion, greatly reducing power use.

mcp3421a0t-e-ch-1

Features

  • 18-bit resolution
  • Small 6-lead SOT-23 packaging
  • Differential input operation
  • On-board voltage reference with 5 ppm/°C drift
  • On-board PGA, gains of 1, 2, 4, 8
  • 3.75 SPS (18 bits)
  • 15 SPS (16 bits)
  • 60 SPS (14 bits)
  • 240 SPS (12 bits)
  • INL 10 ppm of FSR max
  • Low current consumption, 145 μA at 3V
  • One-shot or continuous conversion options
  • Supports I2C serial interface
  • Extended temperature range: -40°C to +125°C
  • Recommended for Automotive Designs (Q100)

Product Parameters

  • PackageCode

    C8X

  • LeadContent

    Pb-FREE

  • PackingMedia

    T/R

  • TempLevel

    Extended

  • Stage

    REL

  • ProductClassDescription

    Extended Temp (E) Tape & Reel

  • PackageWidth

  • Weight

    4.66667E-05

  • Mask

    DFAP1

  • RestrictionLevel

    STANDARD

  • PackageTypeDescription

    SOT-23

  • TempRange

    -40C to +125C

  • LeadCount

    6

  • PackageType

    SOT-23

  • PackingMediaDescription

    Tape and reel