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PCM1798DBG4 - Texas Instruments

Description: Audio D/A Converter ICs PCM1798 24-Bit 192kHz Audio DAC

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PCM1798DBG4 - Texas Instruments - PCB symbol
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PCB Footprints
PCM1798DBG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DB0028A
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3D Models
PCM1798DBG4 - Texas Instruments - 3D model - Small Outline Packages - DB0028A
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PCM1798DBG4 Details

  • Manufacturer Part Number:

    PCM1798DBG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Pin Count:

    28

  • 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:

    23 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

PCM1798DBG4 Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VCCO, and then the digital power supplies (VCCIO and VCCOE). This ensures that the internal voltage regulators are powered up correctly.
  • To optimize the PCB layout, keep the analog and digital power supplies separate, use a solid ground plane, and keep the clock signal traces short and shielded. Also, place the decoupling capacitors close to the device pins and use a low-ESR capacitor for the VCCO pin.
  • The maximum clock frequency supported by the PCM1798 is 256 fs (fs = sample frequency). However, the actual clock frequency may be limited by the system design and the quality of the clock signal.
  • To configure the PCM1798 for Master Clock mode, set the MCLK pin to the desired clock frequency, and set the M/S pin to logic high. Also, ensure that the BCK pin is tied to the system clock or a stable clock source.
  • The recommended termination for the differential output of the PCM1798 is a 100-ohm differential load, with a 100-nF capacitor in series with each output pin to filter out high-frequency noise.

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PCM1798DBG4 Overview

Use the download button to access the PCM1798DBG4 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like PCM17, or try a keyword search, such as Digital to Analog Converters

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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For a full list of alternate parts for PCM1798DBG4, check out Findchips.com