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AD5421BREZ - Analog Devices

Description: 16-bit resolution and monotonicity Pin selectable NAMUR-compliant ranges 4 mA to 20 mA 3.8 mA to 21 mA 3.2 mA to 24 mA NAMUR-compliant alarm currents Downscale alarm current = 3.2 mA Upscale alarm current = 22.8 mA/24 mA Total unadjusted error (TUE): 0.05% maximum INL error: 0.0035% FSR maximum Output TC: 3 ppm/°C typical Quiescent current: 300 μA maximum Flexible SPI-compatible serial digital interface with Schmitt triggered inputs On-chip fault alerts via FAULT pin or alarm current Automati

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AD5421BREZ - Analog Devices - PCB symbol
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AD5421BREZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RE-28-2
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AD5421BREZ - Analog Devices - 3D model - Small Outline Packages - RE-28-2
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AD5421BREZ Details

  • Manufacturer Part Number:

    AD5421BREZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    ROHS COMPLIANT, MO-153AET, TSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    RE-28-2

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Output Voltage-Max:

    12 V

  • Analog Output Voltage-Min:

    1.8 V

  • Converter Type:

    D/A CONVERTER

  • Input Bit Code:

    BINARY

  • Input Format:

    SERIAL

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Linearity Error-Max (EL):

    0.012%

  • Moisture Sensitivity Level:

    3

  • Number of Bits:

    16

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Settling Time-Nom (tstl):

    50 µs

  • Supply Current-Max:

    0.35 mA

  • Supply Voltage-Nom:

    24 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

AD5421BREZ Frequently Asked Questions (FAQs)

  • A good layout and routing practice is to keep the analog and digital grounds separate, use a solid ground plane, and keep the sensitive analog signals away from the digital signals. Also, use a low-ESR capacitor for the VCC pin and a 0.1uF capacitor for the AVCC pin.
  • To ensure accuracy, use a high-precision voltage reference, such as the ADR421, and ensure that the input voltage is within the specified range. Also, use a low-noise, low-temperature-coefficient resistor for the feedback resistor (RFB) and a high-precision capacitor for the compensation capacitor (CCOMP).
  • The recommended power-up sequence is to power up the VCC pin first, followed by the AVCC pin, and then the input voltage (VIN). This ensures that the internal voltage regulators are powered up correctly and the device operates within specifications.
  • To troubleshoot issues, check the input voltage, output voltage, and feedback voltage using an oscilloscope or a multimeter. Also, check the voltage reference output, the compensation capacitor, and the feedback resistor for any signs of damage or malfunction.
  • The AD5421BREZ has a thermal pad on the bottom of the package, which should be connected to a thermal plane or a heat sink to dissipate heat. Ensure good thermal conductivity between the thermal pad and the thermal plane or heat sink.

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AD5421BREZ Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like AD542, or try a keyword search, such as Digital to Analog Converters

About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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