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PCM2704DBR - Texas Instruments

Description: 98dB SNR Stereo USB2.0 FS DAC with line-out and S/PDIF output, Bus/Self-powered (Ext. ROM Interface)

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PCM2704DBR Details

  • Manufacturer Part Number:

    PCM2704DBR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Pin Count:

    28

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Output Voltage-Max:

    1.98 V

  • Analog Output Voltage-Min:

    1.65 V

  • 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:

    16

  • 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 Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.048 MHz

  • Seated Height-Max:

    2 mm

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • 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

PCM2704DBR Frequently Asked Questions (FAQs)

  • The recommended power-on sequence is to apply VCC first, followed by VDD, and then the analog power supplies (VAA and VDA). This ensures that the internal voltage regulators are powered up correctly.
  • To configure the PCM2704DBR for master mode operation, set the MCLK pin to the desired clock frequency, and then set the BCK pin to the desired bit clock frequency. The WS pin should be set to the desired word select frequency. The PCM2704DBR will then generate the necessary clocks and control signals for the DAC.
  • The maximum allowed capacitance on the analog output pins is 100nF. Exceeding this value may affect the stability of the output stage and cause oscillations.
  • To reduce EMI emissions from the PCM2704DBR, use a multi-layer PCB with a solid ground plane, keep analog and digital traces separate, and use shielding or filtering on the output signals. Additionally, ensure that the power supply decoupling capacitors are placed close to the device.
  • The recommended layout for the analog and digital power supplies is to separate the analog and digital power planes, and to use separate decoupling capacitors for each power supply. This helps to reduce noise coupling between the analog and digital circuits.

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PCM2704DBR Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like PCM27, 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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