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DAC7822IRTAR - Texas Instruments

Description: Digital to Analog Converters - DAC 12-bit Dual Channel Par Input Mult

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DAC7822IRTAR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RTA(S-PQFP-N40)_3
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3D Models
DAC7822IRTAR - Texas Instruments  - 3D model - Quad Flat No-Lead - RTA(S-PQFP-N40)_3
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DAC7822IRTAR Details

  • Manufacturer Part Number:

    DAC7822IRTAR

  • 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

DAC7822IRTAR Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VCC first, followed by AVCC, and then the digital inputs. This ensures proper device operation and prevents potential latch-up conditions.
  • To ensure accurate voltage output, it's essential to use a high-precision voltage reference, such as the Texas Instruments REF5025. Additionally, ensure that the output voltage is buffered with an op-amp, such as the OPA237, to prevent loading effects.
  • The maximum output current of the DAC7822 is 5mA. Exceeding this current may cause the output voltage to droop or the device to overheat. If higher output currents are required, consider using an external op-amp or buffer.
  • To implement a bipolar output voltage range, use an external op-amp, such as the OPA277, in an inverting configuration. This allows the DAC output to swing from -VREF to +VREF, enabling bipolar output voltage ranges.
  • The settling time of the DAC7822 is approximately 10μs. This means that the output voltage may take up to 10μs to stabilize after a code change. Ensure that your system design allows for sufficient settling time to prevent errors or inaccuracies in the output voltage.

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DAC7822IRTAR 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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