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ADS8668IDBT - Texas Instruments

Description: 12-Bit SAR ADC With 8 Channels, 500kSPS, and Bipolar Inputs Off 5V Supply

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ADS8668IDBT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT (R-PDSO-G38)
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ADS8668IDBT - Texas Instruments  - 3D model - Small Outline Packages - DBT (R-PDSO-G38)
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ADS8668IDBT Details

  • Manufacturer Part Number:

    ADS8668IDBT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Taiwan

  • 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:

    4.75 V

  • Conversion Time-Max:

    0.85 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G38

  • JESD-609 Code:

    e4

  • Length:

    9.7 mm

  • Linearity Error-Max (EL):

    0.012207%

  • Moisture Sensitivity Level:

    2

  • Number of Analog In Channels:

    8

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP38,.25,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.5 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    16 mA

  • Supply Voltage-Min:

    1.65 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

ADS8668IDBT 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 datasheet provides a recommended layout and routing guide, but it's essential to follow good PCB design practices to minimize noise and ensure optimal performance.
  • To optimize the ADS8668IDBT's performance, consider the following: choose the correct input range and gain, select the appropriate clock frequency, and optimize the analog front-end circuitry. Additionally, ensure proper PCB layout, decoupling, and power supply filtering. Consult the datasheet and application notes for more information.
  • The ADS8668IDBT can achieve a maximum sampling rate of 250 kSPS. However, this rate may vary depending on the specific application, clock frequency, and system design. Consult the datasheet and application notes for more information on achieving optimal sampling rates.
  • The ADS8668IDBT outputs 16-bit digital data in a serial format. To handle the output data, you'll need to implement a digital interface, such as SPI or I2C, to communicate with a microcontroller or FPGA. Ensure proper synchronization and data formatting to accurately process the output data.
  • The ADS8668IDBT's power consumption varies depending on the operating mode and clock frequency. To minimize power consumption, consider using the device's power-down modes, reducing the clock frequency, and optimizing the analog front-end circuitry. Consult the datasheet for more information on power consumption and power-saving techniques.

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ADS8668IDBT 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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Part Image ADS8668IDBTR Texas Instruments

ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, PDSO38