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AD7921AUJZ-R2 - Analog Devices

Description: Analog Devices AD7921AUJZ-R2, 12 bit Serial ADC,, 8-Pin TSOT

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PCB Footprints
AD7921AUJZ-R2 - Analog Devices PCB footprint - SOT23 (8-Pin) - SOT23 (8-Pin) - UJ-8 (TSOT)
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AD7921AUJZ-R2 - Analog Devices  - 3D model - SOT23 (8-Pin) - UJ-8 (TSOT)
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AD7921AUJZ-R2 Details

  • Manufacturer Part Number:

    AD7921AUJZ-R2

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    ROHS COMPLIANT, MO-193BA, TSOT-8

  • Pin Count:

    8

  • HTS Code:

    8542.39.00.30

  • Manufacturer:

    Analog Devices Inc

  • Analog Input Voltage-Max:

    5.25 V

  • Conversion Time-Max:

    3.2 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    2.9 mm

  • Linearity Error-Max (EL):

    0.0366%

  • Number of Analog In Channels:

    2

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VSSOP

  • Package Equivalence Code:

    TSSOP8,.1

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.25 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    1 mm

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    40

  • Width:

    1.6 mm

AD7921AUJZ-R2 Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD first, followed by VREF, and then the analog input signal. This ensures proper operation and prevents damage to the device.
  • To minimize noise and interference, keep the analog and digital grounds separate, use a solid ground plane, and keep the analog input traces short and away from digital signals. Also, use a low-pass filter on the analog input to reduce high-frequency noise.
  • The maximum sampling rate of the AD7921 is 250 kSPS (kilosamples per second). However, this rate may vary depending on the specific application and system requirements.
  • To handle overvoltage conditions, use external voltage limiting resistors and diodes to clamp the input voltage to within the specified range. Additionally, consider using input protection devices such as TVS (transient voltage suppressor) diodes.
  • The recommended clock frequency for the AD7921 is between 1 MHz and 10 MHz. However, the optimal clock frequency may vary depending on the specific application and system requirements.

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AD7921AUJZ-R2 Overview

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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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