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PCM1744U/2K - Texas Instruments

Description: DAC 2-CH Delta-Sigma 24-bit 14-Pin SOIC T/R

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PCM1744U/2K - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D (-R-PDSO-G14)
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PCM1744U/2K - Texas Instruments  - 3D model - Small Outline Packages - D (-R-PDSO-G14)
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PCM1744U/2K Details

  • Manufacturer Part Number:

    PCM1744U/2K

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    GREEN, SOIC-14

  • Pin Count:

    14

  • HTS Code:

    8542.39.00.40

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog Output Voltage-Max:

    3.41 V

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    2'S COMPLEMENT BINARY

  • Input Format:

    SERIAL

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    24

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    18 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3.9 mm

PCM1744U/2K Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by VDD, and then the digital inputs. This ensures that the internal voltage regulators are powered up correctly and the device is properly initialized.
  • To minimize noise and EMI, it is recommended to keep the analog and digital signal traces separate, use a solid ground plane, and place decoupling capacitors close to the device. Additionally, use a low-impedance power supply and avoid running digital signals near the analog inputs.
  • The maximum clock frequency that can be used with the PCM1744U/2K is 192 kHz. However, it is recommended to use a clock frequency of 128 kHz or lower to ensure optimal performance and minimize jitter.
  • To configure the PCM1744U/2K 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.
  • The recommended termination scheme for the digital outputs of the PCM1744U/2K is to use a 50-ohm resistor in series with a 50-pF capacitor to ground. This helps to reduce reflections and improve signal integrity.

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PCM1744U/2K 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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