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DAC7742YC/250 - Texas Instruments

Description: 16-Bit, Single Channel, Parallel Interface with Internal Reference

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DAC7742YC/250 - Texas Instruments PCB footprint - Quad Flat Packages - Quad Flat Packages - 48 tqef
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DAC7742YC/250 - Texas Instruments  - 3D model - Quad Flat Packages - 48 tqef
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DAC7742YC/250 Details

  • Manufacturer Part Number:

    DAC7742YC/250

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • 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:

    COMPLEMENTARY BINARY, COMPLEMENTARY 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

DAC7742YC/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 analog input pins, and use a low-noise power supply. Additionally, the output voltage should be buffered with an op-amp to prevent loading effects.
  • The maximum output current of the DAC7742YC/250 is 5 mA. Exceeding this current limit may cause damage to the device or affect its accuracy.
  • The DAC7742YC/250 can be interfaced with a microcontroller using a serial interface (SPI or I2C). The microcontroller sends the digital code to the DAC, and the DAC converts it to an analog voltage output. Ensure that the microcontroller and DAC are properly synchronized and that the communication protocol is correctly implemented.
  • The settling time of the DAC7742YC/250 is typically 10 μs for a full-scale output change. This settling time may vary depending on the output load, capacitance, and other external factors.

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DAC7742YC/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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