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DAC7821IPWG4 - Texas Instruments

Description: Digital to Analog Converters - DAC 12-bit Parallel Inp Multiplying DAC

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DAC7821IPWG4 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - TSSOP-20
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DAC7821IPWG4 - Texas Instruments  - 3D model - Small Outline Packages - TSSOP-20
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DAC7821IPWG4 Details

  • Manufacturer Part Number:

    DAC7821IPWG4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    20

  • 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:

    R-PDSO-G20

  • JESD-609 Code:

    e4

  • Length:

    6.5 mm

  • Linearity Error-Max (EL):

    0.0244%

  • Moisture Sensitivity Level:

    2

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    10 MHz

  • Seated Height-Max:

    1.2 mm

  • Settling Time-Max:

    0.2 µs

  • Settling Time-Nom (tstl):

    0.2 µs

  • Supply Current-Max:

    0.005 mA

  • Supply Voltage-Nom:

    2.7 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

DAC7821IPWG4 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 latch-up.
  • The DAC7821 has an output voltage range of 0 to VREF. To ensure accurate output voltage, the reference voltage (VREF) should be set to a value that allows the desired output voltage range. Additionally, the output voltage should be buffered with an op-amp if it needs to drive a load.
  • Clock jitter can affect the DAC7821's performance by introducing noise and distortion in the output signal. To minimize the effect of clock jitter, a low-jitter clock source should be used, and the clock signal should be properly filtered and decoupled.
  • To implement a bipolar output voltage range, an external op-amp can be used to invert the output voltage. The op-amp should be configured in an inverting amplifier configuration, with the DAC output connected to the inverting input and the output connected to the load.
  • The maximum output current of the DAC7821 is 5 mA. Exceeding this current limit can cause the device to overheat and may result in permanent damage.

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DAC7821IPWG4 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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