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DAC7741Y/250 - Texas Instruments

Description: 16-Bit, Single Channel, Digital-to-Analog Converter W/Internal +10V Reference and Parallel I/F

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DAC7741Y/250 - Texas Instruments - PCB symbol
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PCB Footprints
DAC7741Y/250 - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - PT (S-PQFP-G48) -1
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DAC7741Y/250 - Texas Instruments - 3D model - Quad Flat Packages - PT (S-PQFP-G48) -1
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DAC7741Y/250 Details

  • Manufacturer Part Number:

    DAC7741Y/250

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFP

  • Package Description:

    LQFP-48

  • Pin Count:

    48

  • HTS Code:

    8542.39.00.40

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog Output Voltage-Max:

    10 V

  • Analog Output Voltage-Min:

    -10 V

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    BINARY, OFFSET BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.0092%

  • Moisture Sensitivity Level:

    3

  • Negative Supply Voltage-Nom:

    -15 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:

    LFQFP

  • Package Equivalence Code:

    QFP48,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.2 MHz

  • Seated Height-Max:

    1.6 mm

  • Settling Time-Max:

    5 µs

  • Settling Time-Nom (tstl):

    5 µs

  • Supply Current-Max:

    6 mA

  • Supply Voltage-Nom:

    15 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    7 mm

DAC7741Y/250 Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the digital supply (DVCC). This ensures that the analog and digital sections of the device are powered up correctly.
  • To ensure accurate voltage output, it is essential to use a stable reference voltage, minimize noise on the reference input, and ensure that the output voltage is within the specified range of 0 to VREF.
  • The internal 2.5V reference voltage is used as a default reference voltage for the DAC, but it can be overridden by an external reference voltage if desired. The internal reference voltage is enabled by default, but it can be disabled by tying the REFEN pin to GND.
  • The DAC7741Y/250 can be interfaced with a microcontroller using a standard SPI interface. The DAC7741Y/250 is a slave device and requires a master device (such as a microcontroller) to send data to it. The microcontroller should send the data in the correct format and at the correct frequency to ensure proper communication.
  • The settling time of the DAC7741Y/250 is typically around 10μs, but it can vary depending on the output voltage, load capacitance, and other factors. It is essential to ensure that the output voltage has settled to the desired value before taking a measurement or using the output voltage in a system.

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DAC7741Y/250 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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