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PCM1794ADBR - Texas Instruments

Description: 132dB SNR Highest Performance Stereo DAC (H/W Control)

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PCM1794ADBR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DB(R-PDSO-G28)_
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PCM1794ADBR - Texas Instruments  - 3D model - Small Outline Packages - DB(R-PDSO-G28)_
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PCM1794ADBR Details

  • Manufacturer Part Number:

    PCM1794ADBR

  • 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:

    8542.39.00.90

  • 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

PCM1794ADBR 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 optimize the PCB layout, keep the analog and digital grounds separate, use a solid ground plane, and keep the analog and digital signal traces separate. Also, place the decoupling capacitors close to the device pins.
  • The PCM1794ADBR can support clock frequencies up to 256 fs (where fs is the sampling frequency). However, the maximum clock frequency may be limited by the specific application and system requirements.
  • To configure the PCM1794ADBR for master clock mode, set the MCLK pin to the desired clock frequency, and set the BCK pin to the desired bit clock frequency. Also, set the LRCK pin to the desired left-right clock frequency.
  • The recommended operating temperature range for the PCM1794ADBR is -40°C to 85°C. However, the device can operate up to 105°C with reduced performance and reliability.

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PCM1794ADBR 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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