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DAC7741YC/250 - Texas Instruments

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

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DAC7741YC/250 - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - PT (S-PQFP-G48) -1
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DAC7741YC/250 - Texas Instruments  - 3D model - Quad Flat Packages - PT (S-PQFP-G48) -1
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DAC7741YC/250 Details

  • Manufacturer Part Number:

    DAC7741YC/250

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • Package Description:

    LQFP-48

  • Pin Count:

    48

  • Country Of Origin:

    Taiwan

  • 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, OFFSET BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.0046%

  • 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

DAC7741YC/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 proper operation and prevents latch-up.
  • To ensure accurate voltage output, it is essential to use a low-noise, low-impedance voltage reference (VREF) and to decouple the analog supply (AVCC) with a 10uF capacitor. Additionally, use a high-precision external resistor (RFB) to set the full-scale output voltage.
  • The maximum clock frequency for the DAC7741YC/250 is 40 MHz. Exceeding this frequency may result in incorrect data conversion and reduced accuracy.
  • During power-down or reset, the DAC output may go to an undefined state. To prevent this, use an external buffer or op-amp to hold the output voltage at a safe level, or use a power-down pin (PD) to control the output stage.
  • To minimize noise and ensure accurate operation, keep analog and digital signals separate, use a solid ground plane, and route analog signals away from digital signals. Additionally, use a low-inductance path for the analog supply (AVCC) and decoupling capacitors.

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DAC7741YC/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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