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ADS1255IDBT - Texas Instruments

Description: 24-Bit, 30kSPS, Very-Low-Noise Delta-Sigma ADC

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ADS1255IDBT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - SSOP-20-2
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ADS1255IDBT - Texas Instruments  - 3D model - Small Outline Packages - SSOP-20-2
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ADS1255IDBT Details

  • Manufacturer Part Number:

    ADS1255IDBT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Package Description:

    SSOP-20

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    5.25 V

  • Analog Input Voltage-Min:

    -5 V

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    7.2 mm

  • Linearity Error-Max (EL):

    0.001%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    2

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • 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:

    SSOP

  • Package Equivalence Code:

    SSOP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.03 MHz

  • Seated Height-Max:

    2 mm

  • Supply Current-Max:

    50 mA

  • Supply Voltage-Min:

    1.8 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    5.3 mm

ADS1255IDBT Frequently Asked Questions (FAQs)

  • The ADS1255IDBT requires careful layout and routing to minimize noise and ensure accurate conversions. TI recommends following the layout guidelines in the datasheet, including keeping analog and digital traces separate, using a solid ground plane, and minimizing trace lengths.
  • Optimizing the ADS1255IDBT's performance requires understanding the application's specific requirements. Factors to consider include input signal frequency, amplitude, and noise levels. TI provides application notes and design guides to help optimize the ADC's performance for specific applications.
  • The recommended power-up sequence for the ADS1255IDBT is to power up the analog supply (AVDD) first, followed by the digital supply (DVDD). This ensures that the analog circuitry is stable before the digital circuitry is powered up.
  • The ADS1255IDBT's digital output data is available in a 24-bit binary format. The data can be accessed through the SPI interface, and the user must ensure proper synchronization and data formatting to avoid errors.
  • The ADS1255IDBT's latency is approximately 2.5 μs, which can affect system performance in high-speed applications. Engineers should consider the latency when designing their system's timing and synchronization.

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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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Part Image ADS1255IDBR Texas Instruments

ADC, Delta-Sigma, 24-Bit, 1 Func, 2 Channel, Serial Access, CMOS, PDSO20