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AD7938BCPZ-6 - Analog Devices

Description: Analog Devices AD7938BCPZ-6, 12 bit Parallel ADC, Differential Input, 32-Pin LFCSP

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AD7938BCPZ-6 - Analog Devices PCB footprint - Other - Other - QFN50P500X500X100-33N
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AD7938BCPZ-6 - Analog Devices  - 3D model - Other - QFN50P500X500X100-33N
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AD7938BCPZ-6 Details

  • Manufacturer Part Number:

    AD7938BCPZ-6

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    LFCSP-32

  • Pin Count:

    32

  • Manufacturer Package Code:

    CP-32-7

  • Country Of Origin:

    Singapore

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    5 V

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-XQCC-N32

  • JESD-609 Code:

    e3

  • Length:

    5 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:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC32,.2SQ,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:

    0.625 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max:

    1.5 mA

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

AD7938BCPZ-6 Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD first, followed by VREF, and then the clock signal. This ensures that the internal voltage regulators are powered up correctly.
  • To optimize the analog input impedance, use a low-impedance source, such as a buffer amplifier, and keep the input traces as short as possible. Additionally, use a capacitor in parallel with the input resistor to filter out high-frequency noise.
  • The maximum sampling rate for the AD7938 is 1.5 MSPS (million samples per second). However, this rate can be affected by the clock frequency, analog input frequency, and other system-level factors.
  • To handle overvoltage conditions, use external protection diodes or voltage-limiting resistors to prevent damage to the AD7938. Additionally, consider using a voltage clamp or a voltage limiter IC to protect the inputs.
  • To minimize noise and ensure optimal performance, keep the analog and digital traces separate, use a solid ground plane, and avoid running digital traces near the analog inputs. Also, use a decoupling capacitor near the VDD pin to filter out noise.

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AD7938BCPZ-6 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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Part Image AD7938BCP-6 Analog Devices Inc

ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Parallel, Word Access, QCC32