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DAC7642VFT - Texas Instruments

Description: 16-Bit, Dual Voltage Output DAC with Parallel Interface and Reset to Mid-Scale

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DAC7642VFT - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - VF0032A
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3D Models
DAC7642VFT - Texas Instruments  - 3D model - Quad Flat Packages - VF0032A
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DAC7642VFT Details

  • Manufacturer Part Number:

    DAC7642VFT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • Pin Count:

    32

  • Country Of Origin:

    Taiwan

  • 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:

    S-PQFP-G32

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.0061%

  • Moisture Sensitivity Level:

    1

  • Negative Supply Voltage-Nom:

    -5 V

  • Number of Bits:

    16

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LQFP

  • Package Equivalence Code:

    QFP32,.35SQ,32

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.1 MHz

  • Seated Height-Max:

    1.6 mm

  • Settling Time-Max:

    10 µs

  • Settling Time-Nom (tstl):

    10 µs

  • Supply Current-Max:

    0.9 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    7 mm

DAC7642VFT 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.
  • To ensure accurate voltage output, it is essential to use a stable and low-noise voltage reference, and to decouple the AVCC and VCC pins with suitable capacitors. Additionally, the output voltage should be buffered with an op-amp if it needs to drive a load.
  • The maximum output current of the DAC7642VFT is 5mA. Exceeding this current may cause the output voltage to droop or the device to overheat.
  • During asynchronous updates, the SYNC pin should be held low to prevent the DAC from updating the output voltage. When the SYNC pin is high, the DAC updates the output voltage based on the input data.
  • The CLR pin is an active-low clear input that resets the DAC output to zero-scale (minimum output voltage) when pulled low. It can be used to reset the DAC output during power-up or when the system is in a reset state.

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DAC7642VFT 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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