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ADS1281IPW - Texas Instruments

Description: Ultra-High-Resolution, 4kSPS, 1-Ch Delta-Sigma ADC for Seismic and Energy Exploration

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ADS1281IPW Details

  • Manufacturer Part Number:

    ADS1281IPW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-24

  • Pin Count:

    24

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    1.25 V

  • Analog Input Voltage-Min:

    -1.25 V

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e4

  • Length:

    7.8 mm

  • Linearity Error-Max (EL):

    0.0005%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    1

  • Number of Bits:

    31

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • 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:

    TSSOP

  • Package Equivalence Code:

    TSSOP24,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.004 MHz

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    3 mA

  • Supply Voltage-Min:

    1.65 V

  • Supply Voltage-Nom:

    3.3 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:

    4.4 mm

ADS1281IPW Frequently Asked Questions (FAQs)

  • The ADS1281IPW requires careful PCB layout and routing to minimize noise and ensure optimal performance. 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.
  • To optimize the ADS1281IPW's performance, consider factors such as input signal amplitude, frequency, and impedance. Adjust the ADC's gain, offset, and filter settings accordingly. Additionally, ensure proper power supply decoupling, and consider using a dedicated analog power supply if necessary.
  • To minimize EMI and RFI, use shielding, filtering, and grounding techniques. Ensure the ADC is placed in a shielded enclosure, and use EMI filters on the input signals. Ground the ADC's analog and digital grounds separately, and use a common mode choke to reduce noise.
  • To troubleshoot issues, start by verifying the power supply, clock, and input signal integrity. Check for proper PCB layout and routing, and ensure the ADC is properly configured. Use TI's debugging tools, such as the TINA-TI SPICE simulator, to analyze the circuit and identify potential issues.
  • The ADS1281IPW has a maximum junction temperature of 150°C. Ensure proper heat dissipation by using a heat sink, thermal interface material, and a PCB design that allows for airflow. Monitor the ADC's temperature using the internal temperature sensor or an external thermometer.

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ADS1281IPW 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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