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MCP3221A5T-E/OT - Microchip

Description: A/D Converter 12-Bit I2C 22ksps SOT23-5

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Symbol
MCP3221A5T-E/OT - Microchip - PCB symbol
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PCB Footprints
MCP3221A5T-E/OT - Microchip PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - (OT) (SOT23)
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3D Models
MCP3221A5T-E/OT - Microchip - 3D model - SOT23 (5-Pin) - (OT) (SOT23)
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MCP3221A5T-E/OT Details

  • Manufacturer Part Number:

    MCP3221A5T-E/OT

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Pin Count:

    5

  • Manufacturer Package Code:

    SOT-23-5

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Factory Lead Time:

    6 Weeks

  • Manufacturer:

    Microchip Technology Inc

  • YTEOL:

    8

  • Analog Input Voltage-Max:

    5.8 V

  • Analog Input Voltage-Min:

    -0.3 V

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    2.95 mm

  • Linearity Error-Max (EL):

    0.0488%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    1

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.0223 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    1.45 mm

  • Supply Current-Max:

    0.25 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Width:

    1.63 mm

MCP3221A5T-E/OT Frequently Asked Questions (FAQs)

  • Microchip recommends a 4-layer PCB with a solid ground plane, and placing the ADC close to the analog signal sources. Decoupling capacitors should be placed as close to the VDD and VSS pins as possible. Additionally, analog and digital signals should be routed on separate layers to minimize noise coupling.
  • The MCP3221A5T-E/OT has an internal calibration mechanism. However, if external calibration is required, a known voltage reference can be applied to the input pins, and the ADC output can be compared to the expected value. The offset and gain errors can be calculated and corrected in software.
  • The maximum sampling rate of the MCP3221A5T-E/OT is 22,000 samples per second. The power consumption increases with the sampling rate, but the device can operate in a low-power mode with a reduced sampling rate to conserve power.
  • The MCP3221A5T-E/OT has internal overvoltage protection up to 16V. However, it's recommended to add external protection circuitry, such as voltage dividers or clamping diodes, to prevent damage from excessive voltage. Undervoltage conditions can be handled by adding a voltage regulator or a voltage supervisor to ensure a stable input voltage.
  • The MCP3221A5T-E/OT has a high common-mode rejection ratio (CMRR) and can operate in noisy environments. To improve noise immunity, use a low-pass filter or a shielded cable to connect the analog signal sources, and ensure a solid ground plane on the PCB. Additionally, consider using a ferrite bead or a common-mode choke to filter out high-frequency noise.

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MCP3221A5T-E/OT Overview

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About Microchip

Microchip Technology Inc. is a leading manufacturer of microcontrollers and semiconductor devices for a wide range of applications in the aerospace, automotive, consumer electronics, industrial, and medical industries. Alongside a comprehensive product portfolio, Microchip Technology Inc. also provides easy-to-use development tools that enable engineers to create optimal designs quickly with minimal iterations to reduce risk while lowering total system costs to market. Headquartered in Chandler, Arizona, th

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