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ADS8505IBDW - Texas Instruments

Description: 16-Bit, 250-kSPS, 1-Ch SAR ADC with programmable (±10/±5/±3.3V) input ranges and parallel interface

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ADS8505IBDW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G28)
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ADS8505IBDW - Texas Instruments  - 3D model - Small Outline Packages - DW (R-PDSO-G28)
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ADS8505IBDW Details

  • Manufacturer Part Number:

    ADS8505IBDW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-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:

    10 V

  • Analog Input Voltage-Min:

    -10 V

  • Conversion Time-Max:

    2.2 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    17.9 mm

  • Linearity Error-Max (EL):

    0.0023%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    1

  • Number of Bits:

    16

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP28,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.25 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    15 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:

    7.5 mm

ADS8505IBDW Frequently Asked Questions (FAQs)

  • A good layout and routing practice is to keep the analog and digital grounds separate, use a solid ground plane, and keep the analog and digital signal traces separate. Additionally, use a low-ESR capacitor for the AVDD and DVDD pins, and keep the input and output traces as short as possible.
  • To optimize performance, ensure that each ADC has its own separate analog and digital grounds, and use a common mode filter to reduce noise. Also, consider using a separate power supply for each ADC, and use a low-pass filter to reduce high-frequency noise.
  • The recommended clock frequency for the ADS8505IBDW is between 1 MHz to 20 MHz. A higher clock frequency can improve the conversion speed, but it may also increase the power consumption and noise. A lower clock frequency can reduce power consumption, but it may also reduce the conversion speed.
  • The ADS8505IBDW outputs 16-bit parallel data, with the most significant bit (MSB) first. The output data is in two's complement format, and it can be read using a microcontroller or a digital signal processor.
  • The power consumption of the ADS8505IBDW is typically around 35 mW at 3.3V supply voltage. To reduce power consumption, consider using a lower supply voltage, reducing the clock frequency, or using the power-down mode when the ADC is not in use.

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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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