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AD7938BSUZ - Analog Devices

Description: AD7938BSUZ, 12 bit ADC Differential,, Parallel, 32-Pin TQFP

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AD7938BSUZ - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - SU-32-2 (TQFP)
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AD7938BSUZ - Analog Devices  - 3D model - Quad Flat Packages - SU-32-2 (TQFP)
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AD7938BSUZ Details

  • Manufacturer Part Number:

    AD7938BSUZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • Package Description:

    TQFP-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    SU-32-2

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    5 V

  • Conversion Time-Max:

    0.675 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-PQFP-G32

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.0244%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    8

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TQFP

  • Package Equivalence Code:

    TQFP32,.35SQ,32

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    1.5 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    1.2 mm

  • Supply Current-Max:

    2.7 mA

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

AD7938BSUZ 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 optimize performance in noisy environments, use a low-pass filter on the analog input signal, ensure good power supply decoupling, and consider using a shielded enclosure for the device. Additionally, consider using a common-mode filter on the analog input signal.
  • The maximum sampling rate of the AD7938BSUZ is 1.5 MSPS (million samples per second). However, this rate may vary depending on the specific application and system requirements.
  • Yes, the AD7938BSUZ can be used with an external reference voltage. The device has a dedicated VREF pin that can be connected to an external reference voltage source. However, ensure that the external reference voltage is within the recommended range of 2.5 V to 5.5 V.
  • The AD7938BSUZ can be interfaced with a microcontroller using a serial peripheral interface (SPI) or inter-integrated circuit (I2C) protocol. The device has a dedicated SPI/I2C interface that allows for easy communication with a microcontroller.

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AD7938BSUZ 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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