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ADS1222IPWR - Texas Instruments

Description: 24-bit ADC with 2-channel differential input multiplexer

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ADS1222IPWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW (R-PDSO-G14)
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ADS1222IPWR - Texas Instruments  - 3D model - Small Outline Packages - PW (R-PDSO-G14)
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ADS1222IPWR Details

  • Manufacturer Part Number:

    ADS1222IPWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    TSSOP-14

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    5.5 V

  • Analog Input Voltage-Min:

    -5 V

  • Conversion Time-Max:

    8320 µs

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Linearity Error-Max (EL):

    0.0015%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    2

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • 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:

    TSSOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.00024 MHz

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Min:

    2.7 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:

    4.4 mm

ADS1222IPWR Frequently Asked Questions (FAQs)

  • The ADS1222IPWR requires careful layout and placement to ensure optimal performance. TI recommends placing the device near the analog signal sources, using a solid ground plane, and keeping analog and digital traces separate. A 4-layer PCB with a dedicated analog ground plane is recommended.
  • To optimize the ADC's performance, consider the input signal frequency, amplitude, and impedance. Adjust the gain, filter settings, and sampling rate accordingly. Additionally, ensure proper PCB layout, decoupling, and power supply noise reduction.
  • The recommended power-up sequence is to first apply the analog power supply (AVDD), followed by the digital power supply (DVDD), and then the clock signal. This ensures proper device initialization and prevents latch-up.
  • The ADS1222IPWR has an internal oscillator that can be used as a clock source. However, for better accuracy and jitter performance, an external clock source is recommended. Ensure the clock signal meets the device's specifications and is properly decoupled.
  • To minimize EMI and RFI, use a shielded enclosure, keep analog and digital traces separate, and use a common-mode filter on the input signals. Additionally, ensure proper grounding, decoupling, and shielding of the device and surrounding components.

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ADS1222IPWR 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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