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PCM1794ADB - Texas Instruments

Description: 24-Bit 192khz Sampling advanced segment Audio stereo digital-to-analog converter

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PCB Footprints
PCM1794ADB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DB (R-PDSO-G**)
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3D Models
PCM1794ADB - Texas Instruments  - 3D model - Small Outline Packages - DB (R-PDSO-G**)
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PCM1794ADB Details

  • Manufacturer Part Number:

    PCM1794ADB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Pin Count:

    28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.40

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    2'S COMPLEMENT BINARY

  • Input Format:

    SERIAL

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e4

  • Length:

    10.2 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP28,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.192 MHz

  • Seated Height-Max:

    2 mm

  • Supply Current-Max:

    40 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • 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

PCM1794ADB Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by AVCC, and then DVCC. This ensures that the internal voltage regulators are powered up correctly.
  • To minimize noise and ensure optimal performance, it is recommended to keep the analog and digital grounds separate, use a solid ground plane, and keep the analog and digital signal traces separate and away from each other.
  • The PCM1794ADB can support clock frequencies up to 256 fs, but the maximum frequency is dependent on the specific application and the quality of the clock signal.
  • To configure the PCM1794ADB for master clock mode, set the MCLK pin to the desired clock frequency, and set the BCK pin to the desired bit clock frequency. The device will then generate the LRCK signal internally.
  • It is recommended to use a 10uF ceramic capacitor in parallel with a 100nF ceramic capacitor for each power pin (VCC, AVCC, and DVCC) to ensure proper decoupling and noise reduction.

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PCM1794ADB 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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