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ADC12138CIWM - Texas Instruments

Description: 12 bit A-D converter,ADC12138CIWM SOIC28

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ADC12138CIWM - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G28)
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ADC12138CIWM - Texas Instruments - 3D model - Small Outline Packages - DW (R-PDSO-G28)
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ADC12138CIWM Details

  • Manufacturer Part Number:

    ADC12138CIWM

  • Brand Name:

    Texas Instruments

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SSOP

  • Package Description:

    SOIC-28

  • Pin Count:

    28

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog Input Voltage-Max:

    5.55 V

  • Analog Input Voltage-Min:

    -0.05 V

  • Conversion Time-Max:

    8.8 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e0

  • Length:

    17.9 mm

  • Linearity Error-Max (EL):

    0.0488%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    8

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP28,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Screening Level:

    TS 16949

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    7.5 mm

ADC12138CIWM Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep analog and digital signals separate. Use short, direct traces for analog inputs and avoid crossing digital signals over analog signals.
  • To optimize for low power, use the ADC's built-in power-down mode, reduce the sampling rate, and use the internal reference voltage. Additionally, consider using a lower supply voltage and reducing the input impedance.
  • The recommended input impedance is 1 kΩ or less. Higher input impedance can lead to reduced accuracy and increased noise. Use a buffer amplifier or an impedance-matching network if necessary.
  • The ADC outputs 12-bit data in a 2's complement format. Use a microcontroller or FPGA to process the data, and consider using a digital filter to remove noise and improve accuracy.
  • The ADC12138CIWM is rated for operation from -40°C to 125°C. Temperature changes can affect the ADC's offset, gain, and linearity. Consider using thermal shielding, heat sinks, or temperature compensation techniques to minimize these effects.

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ADC12138CIWM Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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