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ADS1251U/2K5 - Texas Instruments

Description: 24-Bit, 20kHz, Low-Power Analog-to-Digital Converter

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ADS1251U/2K5 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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3D Models
ADS1251U/2K5 - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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ADS1251U/2K5 Details

  • Manufacturer Part Number:

    ADS1251U/2K5

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-8

  • Pin Count:

    8

  • 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:

    -4.096 V

  • Conversion Time-Max:

    50 µs

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Linearity Error-Max (EL):

    0.0015%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    1

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    OFFSET BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.02 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    2 mA

  • Supply Voltage-Min:

    4.75 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:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

ADS1251U/2K5 Frequently Asked Questions (FAQs)

  • The ADS1251U/2K5 requires careful layout and placement to minimize noise and ensure accurate conversions. TI recommends placing the device close to the analog signal sources, using a solid ground plane, and keeping analog and digital traces separate. Additionally, decoupling capacitors should be placed close to the device's power pins.
  • To optimize the ADS1251U/2K5's performance, consider the following: choose the correct gain setting, adjust the sampling rate, and select the appropriate clock source. Additionally, ensure proper filtering and signal conditioning of the input signal, and consider using the device's built-in calibration features.
  • To ensure proper operation, power up the ADS1251U/2K5 in the following sequence: VDD, AVDD, and then CLKIN. This sequence helps prevent latch-up and ensures the device is properly initialized.
  • The ADS1251U/2K5 outputs 24-bit data in a specific format. Ensure that your microcontroller or digital system is configured to receive and process this data correctly, taking into account the device's data format, byte ordering, and any necessary data alignment.
  • The ADS1251U/2K5 has a maximum junction temperature of 150°C. Ensure good thermal design practices, such as providing adequate heat sinking, using thermal vias, and keeping the device away from heat sources. This helps prevent overheating and ensures reliable operation.

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ADS1251U/2K5 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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