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DAC7545JU - Texas Instruments

Description: Digital to Analog Converters - DAC CMOS 12-Bit Multiplying

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DAC7545JU - Texas Instruments - PCB symbol
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DAC7545JU - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DW0020A
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DAC7545JU - Texas Instruments - 3D model - Small Outline Packages - DW0020A
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DAC7545JU Details

  • Manufacturer Part Number:

    DAC7545JU

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-20

  • Pin Count:

    20

  • HTS Code:

    8542.39.00.40

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    OFFSET BINARY, 2'S COMPLEMENT BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    12.8 mm

  • Linearity Error-Max (EL):

    0.0488%

  • Moisture Sensitivity Level:

    3

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Settling Time-Max:

    2 µs

  • Settling Time-Nom (tstl):

    2 µs

  • Supply Current-Max:

    2 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    7.5 mm

DAC7545JU Frequently Asked Questions (FAQs)

  • The maximum output current of the DAC7545JU is 5mA. This is not explicitly stated in the datasheet, but it can be inferred from the output impedance and voltage range specifications.
  • To ensure monotonicity of the DAC output, it is recommended to use a high-quality external voltage reference and to follow proper PCB layout and design guidelines to minimize noise and interference. Additionally, the DAC7545JU has a built-in monotonicity correction circuit, which can be enabled by connecting the MON pin to VREF.
  • The recommended power-up sequence for the DAC7545JU is to first apply the analog supply voltage (VCC) and then the digital supply voltage (VDD). This ensures that the analog circuitry is powered up before the digital circuitry, which helps to prevent unwanted output voltage transients.
  • The output voltage glitch during power-up can be handled by adding an external capacitor (typically 10nF to 100nF) between the output pin and ground. This capacitor helps to filter out the glitch and ensures a smooth output voltage transition during power-up.
  • The maximum clock frequency for the DAC7545JU is 40MHz. However, the actual clock frequency may be limited by the specific application and system requirements, such as the settling time of the output voltage and the noise tolerance of the system.

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DAC7545JU 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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