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DAC7822IRTAT - Texas Instruments

Description: Texas Instruments DAC7822IRTAT, 2-channel 12 bit Parallel DAC, 20.4Msps, 40-Pin QFN

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DAC7822IRTAT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RTA (S-PQFP-N40)_
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3D Models
DAC7822IRTAT - Texas Instruments  - 3D model - Quad Flat No-Lead - RTA (S-PQFP-N40)_
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DAC7822IRTAT Details

  • Manufacturer Part Number:

    DAC7822IRTAT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    40

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.40

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    BINARY

  • Input Format:

    PARALLEL, WORD

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e4

  • Length:

    6 mm

  • Linearity Error-Max (EL):

    0.0244%

  • Moisture Sensitivity Level:

    2

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    10 MHz

  • Seated Height-Max:

    0.8 mm

  • Settling Time-Max:

    0.2 µs

  • Settling Time-Nom (tstl):

    0.2 µs

  • Supply Current-Max:

    0.005 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

DAC7822IRTAT 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 high-quality voltage reference, such as the Texas Instruments REF5025. Additionally, the DAC output should be filtered using a low-pass filter to remove any high-frequency noise.
  • The maximum output current of the DAC7822 is 5mA. Exceeding this current may cause the output voltage to droop or the device to overheat.
  • The DAC7822 can be interfaced with a microcontroller using a serial interface, such as SPI or I2C. The specific interface protocol depends on the microcontroller and the application requirements.
  • The settling time of the DAC7822 is typically around 10μs, but this can vary depending on the output voltage, load capacitance, and other factors. It is essential to ensure that the DAC output has settled before taking a measurement or using the output voltage.

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DAC7822IRTAT 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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