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AD7951BSTZ - Analog Devices

Description: Analog to Digital Converters - ADC 14-Bit 1MSPS Software Program ADC IC

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AD7951BSTZ - Analog Devices - PCB symbol
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AD7951BSTZ - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - 48-Lead Low Profile Quad Flat Package [LQFP] (ST-48)
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AD7951BSTZ - Analog Devices - 3D model - Quad Flat Packages - 48-Lead Low Profile Quad Flat Package [LQFP] (ST-48)
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AD7951BSTZ Details

  • Manufacturer Part Number:

    AD7951BSTZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • Package Description:

    LEAD FREE, MO-026BBC, 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:

    10.1 V

  • Analog Input Voltage-Min:

    -10.1 V

  • Conversion Time-Max:

    1.35 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.0061%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    1

  • Number of Bits:

    14

  • 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:

    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:

    1 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

AD7951BSTZ 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 input and output traces short and away from each other. Also, use a low-ESR capacitor for the VCC pin and a 0.1uF capacitor for the AVCC pin.
  • The AD7951BSTZ has an internal calibration circuit that can be enabled by setting the CAL pin high. The device will then perform a self-calibration sequence. Additionally, the user can perform an external calibration by applying a known input voltage and adjusting the offset and gain registers accordingly.
  • The maximum input voltage that the AD7951BSTZ can handle is ±VREF, which is typically ±2.5V. Exceeding this voltage can damage the device. It's recommended to use input protection circuitry, such as clamping diodes or resistors, to prevent overvoltage conditions.
  • To optimize the AD7951BSTZ for low-power operation, set the power-down pin (PD) high to enter a low-power state. Additionally, reduce the clock frequency, use a lower supply voltage, and minimize the number of conversions per second. The device also has a built-in shutdown mode that can be enabled by setting the SHDN pin high.
  • The recommended clock frequency for the AD7951BSTZ is between 1 MHz and 10 MHz. A higher clock frequency can improve the device's throughput, but it may also increase the power consumption and noise sensitivity. A lower clock frequency can reduce power consumption, but it may also reduce the device's throughput.

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AD7951BSTZ 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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AD7951BSTZ Alternates

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Part Image AD7951BSTZRL Analog Devices Inc

ADC, Successive Approximation, 14-Bit, 1 Func, 1 Channel, Parallel, 8 Bits, Parallel, Word Access, CMOS, PQFP48