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AD7678ASTZRL - Analog Devices

Description: 18-Bit,100 kSPS PulSAR® A/D Converter

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AD7678ASTZRL - Analog Devices - PCB symbol
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PCB Footprints
AD7678ASTZRL - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - (ST-48)
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AD7678ASTZRL - Analog Devices - 3D model - Quad Flat Packages - (ST-48)
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AD7678ASTZRL Details

  • Manufacturer Part Number:

    AD7678ASTZRL

  • 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:

    8.5

  • Analog Input Voltage-Max:

    4.096 V

  • Analog Input Voltage-Min:

    -4.096 V

  • Conversion Time-Max:

    1.5 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-PQFP-G48

  • JESD-609 Code:

    e3

  • Length:

    7 mm

  • Linearity Error-Max (EL):

    0.001%

  • Moisture Sensitivity Level:

    3

  • 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:

    0.1 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

AD7678ASTZRL Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to power up the analog supply (AVDD) first, followed by the digital supply (DVDD), and then the clock signal. This ensures proper operation and prevents any potential latch-up conditions.
  • To optimize the layout, keep the analog and digital grounds separate, use a solid ground plane, and keep the analog signals away from the digital signals. Also, use a low-impedance source for the analog input and ensure that the clock signal is clean and free of noise.
  • The maximum sampling rate of the AD7678ASTZRL is 500 kSPS, but this can be limited by the system's clock frequency, the analog input bandwidth, and the digital interface used.
  • The AD7678ASTZRL outputs data in a 16-bit parallel format. To handle the output data, use a FIFO buffer or a DMA controller to store the data temporarily, and then process it in the microcontroller. You can also use a serial interface like SPI or I2C to reduce the number of pins required.
  • Temperature affects the AD7678ASTZRL's offset, gain, and linearity. To compensate for temperature effects, use an external temperature sensor to monitor the temperature and adjust the gain and offset accordingly. You can also use internal calibration features like the offset calibration register to minimize temperature-related errors.

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AD7678ASTZRL Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like AD767, or try a keyword search, such as Analog to Digital Converters

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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AD7678ASTZRL Alternates

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Part Image AD7678AST Analog Devices Inc

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