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DAC7644EB/1K - Texas Instruments

Description: Digital to Analog Converters - DAC 16-Bit Quad Voltage Output

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DAC7644EB/1K - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DL (R-PDSO-G48)
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DAC7644EB/1K - Texas Instruments  - 3D model - Small Outline Packages - DL (R-PDSO-G48)
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DAC7644EB/1K Details

  • Manufacturer Part Number:

    DAC7644EB/1K

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SSOP

  • Pin Count:

    48

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.40

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog Output Voltage-Max:

    2.5 V

  • Analog Output Voltage-Min:

    -2.5 V

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    R-PDSO-G48

  • JESD-609 Code:

    e4

  • Length:

    15.875 mm

  • Linearity Error-Max (EL):

    0.0046%

  • Moisture Sensitivity Level:

    3

  • Negative Supply Voltage-Nom:

    -5 V

  • Number of Bits:

    16

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP48,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.1 MHz

  • Seated Height-Max:

    2.79 mm

  • Settling Time-Max:

    10 µs

  • Settling Time-Nom (tstl):

    10 µs

  • Supply Current-Max:

    2 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.49 mm

DAC7644EB/1K Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the digital inputs. This ensures that the internal voltage regulators are powered up correctly and that the device is in a stable state before the digital inputs are applied.
  • To ensure accurate voltage output, it is essential to use a high-quality external voltage reference, such as the REF5040. Additionally, the DAC7644 requires a stable power supply, and the output voltage should be buffered with an op-amp to prevent loading effects.
  • The maximum output current of the DAC7644 is 5mA. Exceeding this current limit can cause the output voltage to droop or become inaccurate. If higher output currents are required, an external buffer amplifier should be used.
  • The digital input signals to the DAC7644 should be driven by a CMOS-compatible output stage. The input signals should be properly terminated to prevent ringing and reflections, and the input voltage levels should be within the specified range (0 to VCC).
  • The settling time of the DAC7644 is typically around 10μs to 1 LSB (least significant bit) accuracy. However, this can vary depending on the output voltage range, load capacitance, and other factors. It is recommended to consult the datasheet and application notes for more detailed information.

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DAC7644EB/1K 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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