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AD7634BSTZ - Analog Devices

Description: AD7634BSTZ, 18 bit ADC Differential, Parallel, SPI, Microwire, 48-Pin LQFP

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AD7634BSTZ - Analog Devices - PCB symbol
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PCB Footprints
AD7634BSTZ - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - ST-48 (LQFP)
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3D Models
AD7634BSTZ - Analog Devices - 3D model - Quad Flat Packages - ST-48 (LQFP)
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AD7634BSTZ Details

  • Manufacturer Part Number:

    AD7634BSTZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • Package Description:

    LQFP-48

  • Pin Count:

    48

  • Manufacturer Package Code:

    ST-48

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    10 V

  • Analog Input Voltage-Min:

    -10 V

  • Conversion Time-Max:

    1.68 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.00095%

  • Moisture Sensitivity Level:

    3

  • Negative Supply Voltage-Nom:

    -5 V

  • Number of Analog In Channels:

    1

  • Number of Bits:

    18

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    SERIAL, PARALLEL, 8 BITS, PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LFQFP

  • Package Equivalence Code:

    QFP48,.35SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, LOW PROFILE, FINE PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.67 MHz

  • Sample and Hold / Track and Hold:

    SAMPLE

  • Seated Height-Max:

    1.6 mm

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    7 mm

AD7634BSTZ 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 analog and digital signals separate. Also, keep the input signals away from the digital signals and use shielding if possible.
  • To optimize performance in a system with multiple ADCs, ensure that each ADC has its own separate analog and digital grounds, and use a common mode filter to reduce noise. Also, consider using a separate power supply for each ADC and use a star-grounding configuration.
  • The recommended power-up sequence is to power up the analog supply (VCC) first, followed by the digital supply (VDD), and then the clock signal. This ensures that the internal circuitry is properly biased and prevents latch-up or damage.
  • If the AD7634BSTZ is not converting data correctly or producing incorrect results, check the input signal range, ensure that the reference voltage is within the recommended range, and verify that the clock signal is within the recommended frequency range. Also, check for noise and interference in the system and ensure that the ADC is properly configured.
  • The recommended method for calibrating the AD7634BSTZ is to use the internal calibration feature, which involves applying a known input voltage and adjusting the offset and gain to achieve accurate conversions. Additionally, consider using an external calibration signal to improve accuracy.

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AD7634BSTZ 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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AD7634BSTZ Alternates

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Part Image AD7634BSTZRL Analog Devices Inc

ADC, Successive Approximation, 18-Bit, 1 Func, 1 Channel, Serial, Parallel, 8 Bits, Parallel, Word Access, CMOS, PQFP48