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ADS8508IBDW - Texas Instruments

Description: 12-Bit 250kHz CMOS Analog-to-Digital Converter With Serial Interface 2.5V Internal Reference

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ADS8508IBDW - Texas Instruments - PCB symbol
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ADS8508IBDW - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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ADS8508IBDW - Texas Instruments - 3D model - Small Outline Packages - DW0020A
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ADS8508IBDW Details

  • Manufacturer Part Number:

    ADS8508IBDW

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-20

  • Pin Count:

    20

  • 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:

    4 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Linearity Error-Max (EL):

    0.011%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    1

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.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 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

ADS8508IBDW Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 4-layer PCB with a solid ground plane, and to keep the analog and digital signals separate. The analog signals should be routed close to the ADC, and the digital signals should be routed away from the ADC. Additionally, decoupling capacitors should be placed close to the power pins.
  • The ADS8508IBDW has an internal calibration circuit that can be enabled by setting the CAL pin high. The calibration process takes approximately 100 μs, and it is recommended to perform calibration after power-up and after any changes to the reference voltage or clock frequency.
  • The recommended clock frequency for the ADS8508IBDW is between 1 MHz and 20 MHz. The conversion rate is dependent on the clock frequency, with a maximum conversion rate of 250 kSPS at a clock frequency of 20 MHz.
  • The ADS8508IBDW has internal overvoltage protection on the analog input pins, but it is still recommended to use external protection circuitry, such as voltage-limiting resistors and diodes, to prevent damage to the device.
  • The power consumption of the ADS8508IBDW is typically 35 mW at a clock frequency of 10 MHz. Power consumption can be reduced by reducing the clock frequency, using the power-down mode, and minimizing the number of conversions.

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ADS8508IBDW 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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