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ADS1234IPWR - Texas Instruments

Description: 24-Bit, 80SPS, 4-Ch (Differential), Pin-Programmable Delta-Sigma ADC for Bridge Sensors

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ADS1234IPWR - Texas Instruments - PCB symbol
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PCB Footprints
ADS1234IPWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW(R-PDSO-G28)
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3D Models
ADS1234IPWR - Texas Instruments - 3D model - Small Outline Packages - PW(R-PDSO-G28)
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ADS1234IPWR Details

  • Manufacturer Part Number:

    ADS1234IPWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Package Description:

    TSSOP-28

  • Pin Count:

    28

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Input Voltage-Max:

    2.5 V

  • Analog Input Voltage-Min:

    -0.1 V

  • Conversion Time-Max:

    12.5 µs

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    9.7 mm

  • Linearity Error-Max (EL):

    0.001%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    4

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    105 °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:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.00008 MHz

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    2.5 mA

  • Supply Voltage-Min:

    2.7 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • 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

ADS1234IPWR Frequently Asked Questions (FAQs)

  • The ADS1234IPWR requires careful layout and placement to ensure optimal performance. TI recommends placing the device close to the analog signal source, using a solid ground plane, and keeping the analog and digital traces separate. Additionally, the device should be placed on a multi-layer PCB with a dedicated analog ground plane.
  • The ADS1234IPWR requires calibration for optimal performance. TI recommends using the internal calibration feature, which can be enabled through the CAL_EN pin. Additionally, the gain and offset can be adjusted through the PGA_GAIN and OFFSET_ADJ pins. It's also recommended to use an external calibration circuit to fine-tune the gain and offset.
  • The ADS1234IPWR requires a specific power-up sequence to ensure proper operation. TI recommends powering up the device in the following order: AVDD, DVDD, and then the analog input signal. This sequence helps to prevent latch-up and ensures that the device is properly initialized.
  • The ADS1234IPWR outputs 24-bit digital data in a serial format. TI recommends using a microcontroller or FPGA to receive and process the data. The data can be clocked out of the device using the SCLK pin, and the data format can be configured through the MODE pin.
  • The ADS1234IPWR requires a filtered analog input signal to ensure optimal performance. TI recommends using a low-pass filter with a cutoff frequency of around 100 kHz to remove high-frequency noise and aliasing. A simple RC filter or a more complex active filter can be used, depending on the specific application requirements.

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ADS1234IPWR 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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