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DAC8805QDBT - Texas Instruments

Description: 14-Bit, Dual Channel, Parallel Interface, Multiplying Digital-to-Analog Converter

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DAC8805QDBT - Texas Instruments - PCB symbol
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DAC8805QDBT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DBT0038A
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DAC8805QDBT - Texas Instruments - 3D model - Small Outline Packages - DBT0038A
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DAC8805QDBT Details

  • Manufacturer Part Number:

    DAC8805QDBT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    38

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.40

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Output Voltage-Max:

    10 V

  • Analog Output Voltage-Min:

    -10 V

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    R-PDSO-G38

  • JESD-609 Code:

    e4

  • Length:

    9.7 mm

  • Linearity Error-Max (EL):

    0.0061%

  • Moisture Sensitivity Level:

    2

  • Number of Bits:

    14

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP38,.25,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    2 MHz

  • Seated Height-Max:

    1.2 mm

  • Settling Time-Max:

    0.5 µs

  • Settling Time-Nom (tstl):

    0.5 µs

  • Supply Current-Max:

    0.006 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

DAC8805QDBT Frequently Asked Questions (FAQs)

  • Texas Instruments provides a layout and routing guide in the DAC8805QDBT evaluation module user's guide, which includes recommendations for component placement, trace routing, and grounding to minimize noise and ensure optimal performance.
  • The DAC8805QDBT has a built-in calibration feature that can be accessed through the SPI interface. The calibration process involves writing specific codes to the device's registers to adjust the gain and offset of the DAC. Texas Instruments provides a calibration guide in the device's datasheet and application notes.
  • The maximum output current of the DAC8805QDBT is 25 mA per channel. To ensure that the output current does not exceed the maximum rating, the output should be connected to a load impedance of at least 1 kΩ, and the output voltage should be limited to the recommended range of 0 to 5 V.
  • The DAC8805QDBT has a SYNC pin that can be used to synchronize multiple devices. By connecting the SYNC pins of multiple devices together and driving them with a common clock signal, the devices can be synchronized to update their output voltages simultaneously.
  • The DAC8805QDBT's performance is affected by temperature, with changes in temperature causing changes in the output voltage and gain. To compensate for temperature-related errors, the device can be calibrated at multiple temperatures, and the calibration data can be stored in external memory. The device also has a built-in temperature sensor that can be used to monitor the temperature and adjust the output accordingly.

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DAC8805QDBT 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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