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ADS7808UB - Texas Instruments

Description: 12-Bit 10us Serial CMOS Sampling Analog-to-Digital Converter

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ADS7808UB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW (R-PDSO-G20)
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ADS7808UB - Texas Instruments  - 3D model - Small Outline Packages - DW (R-PDSO-G20)
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ADS7808UB Details

  • Manufacturer Part Number:

    ADS7808UB

  • 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:

    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:

    4.75 V

  • Conversion Time-Max:

    8 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:

    3

  • 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:

    0.1 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

ADS7808UB Frequently Asked Questions (FAQs)

  • The ADS7808UB requires careful layout and routing to minimize noise and ensure accurate conversions. TI recommends using a 4-layer PCB with a solid ground plane, keeping analog and digital traces separate, and using a common mode filter to reduce noise.
  • To optimize the ADS7808UB's performance, consider the input signal frequency, amplitude, and impedance. Adjust the input buffer gain, filter settings, and sampling rate to match your application's requirements. Additionally, ensure proper power supply decoupling and noise reduction techniques.
  • The ADS7808UB can achieve a maximum sampling rate of 100 kSPS. However, this rate may vary depending on the specific application, input signal, and system noise. Consult the datasheet and application notes for more information.
  • The ADS7808UB has built-in overvoltage protection up to 7 V. For undervoltage conditions, use a voltage supervisor or a power-on reset circuit to ensure the ADC is not enabled during power-up or brownout conditions.
  • TI recommends using a 10 μF ceramic capacitor and a 1 μF ceramic capacitor in parallel, placed as close as possible to the ADC's power pins. This helps to reduce noise and ensure stable operation.

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ADS7808UB 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 ADS7808UB/1K Texas Instruments

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