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AD7778ASZ - Analog Devices

Description: AD7778ASZ, 10 bit ADC, Parallel, 44-Pin MQFP

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AD7778ASZ - Analog Devices - PCB symbol
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PCB Footprints
AD7778ASZ - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - S-44 (MQFP
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3D Models
AD7778ASZ - Analog Devices - 3D model - Quad Flat Packages - S-44 (MQFP
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AD7778ASZ Details

  • Manufacturer Part Number:

    AD7778ASZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • Package Description:

    PLASTIC, MS-022AB, QFP-44

  • Pin Count:

    44

  • Manufacturer Package Code:

    S-44-2

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    3 V

  • Analog Input Voltage-Min:

    1 V

  • Converter Type:

    ADC, PROPRIETARY METHOD

  • JESD-30 Code:

    S-PQFP-G44

  • JESD-609 Code:

    e3

  • Length:

    10 mm

  • Linearity Error-Max (EL):

    0.0977%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    8

  • Number of Bits:

    10

  • Number of Functions:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    2S COMPLEMENT BINARY

  • Output Format:

    PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QFP

  • Package Equivalence Code:

    QFP44,.5SQ,32

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    2.45 mm

  • Supply Current-Max:

    15 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    10 mm

AD7778ASZ Frequently Asked Questions (FAQs)

  • The AD7778ASZ requires careful layout and routing to achieve optimal performance. A recommended layout is to keep the analog and digital sections separate, with the analog section placed close to the ADC inputs. The digital section should be placed away from the analog section to minimize digital noise coupling. Additionally, the power supply lines should be routed away from the analog signals, and decoupling capacitors should be placed close to the power pins.
  • To optimize the AD7778ASZ for low noise performance, ensure that the analog input signals are properly filtered and buffered, and that the reference voltage is stable and low noise. Additionally, use a low noise power supply, and consider using a separate analog power supply for the ADC. Also, ensure that the PCB layout is optimized for low noise, with minimal digital noise coupling and proper grounding.
  • The AD7778ASZ can achieve a maximum sampling rate of 16 kSPS. However, the actual sampling rate may be limited by the system's clock frequency, the analog input bandwidth, and the digital interface speed.
  • The AD7778ASZ has an internal calibration mechanism that can be used to optimize its performance. The calibration process involves writing specific registers to configure the ADC's gain and offset. Additionally, the user can perform external calibration by applying a known input voltage and adjusting the ADC's output to match the expected value.
  • The power consumption of the AD7778ASZ depends on the operating mode and the clock frequency. In normal operation, the typical power consumption is around 15 mW. However, in power-down mode, the power consumption can be reduced to around 1 μW.

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AD7778ASZ 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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AD7778ASZ Alternates

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Part Image AD7778AS Analog Devices Inc

ADC, Proprietary Method, 10-Bit, 1 Func, 8 Channel, Parallel, Word Access, CMOS, PQFP44