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ADS1255IDBTG4 - Texas Instruments

Description: Analog to Digital Converters - ADC 24 Bit 30kSPS Very Lo-Noise Delta-Sigma

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ADS1255IDBTG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DB0020A
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ADS1255IDBTG4 Details

  • Manufacturer Part Number:

    ADS1255IDBTG4

  • 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

ADS1255IDBTG4 Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended layout and routing guide in the ADS1255 application note (SLAA443). It's essential to follow this guide to ensure optimal performance and minimize noise.
  • To handle the high impedance of the analog inputs, use a buffer amplifier or an op-amp with a high input impedance (>10GΩ) and low input bias current (<10nA) to drive the inputs. This will help to minimize signal attenuation and noise.
  • Use a combination of analog and digital filtering techniques. For analog filtering, use a low-pass filter (e.g., RC filter) to remove high-frequency noise. For digital filtering, use techniques like averaging, median filtering, or FIR filtering to remove noise and interference.
  • Follow the calibration procedure outlined in the datasheet, and use a high-precision voltage reference (e.g., ADR421 or REF5025) to generate the calibration voltage. Ensure that the calibration voltage is stable and noise-free.
  • The maximum sampling rate of the ADS1255IDBTG4 is 30 kSPS. However, this rate may be limited by the system's clock frequency, analog input bandwidth, and digital filter settings. Consult the datasheet and application notes for more information.

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ADS1255IDBTG4 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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