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AD7678ASTZ - Analog Devices

Description: ADC,AD7678A 18bit 100kSPS diff SPI LQFP Analog Devices AD7678ASTZ, 18 bit Serial ADC, Differential Input, 48-Pin LQFP

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AD7678ASTZ - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - ST-48 (LQFP)
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AD7678ASTZ - Analog Devices  - 3D model - Quad Flat Packages - ST-48 (LQFP)
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AD7678ASTZ Details

  • Manufacturer Part Number:

    AD7678ASTZ

  • 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

AD7678ASTZ Frequently Asked Questions (FAQs)

  • The recommended power-up sequence is to apply VDD first, followed by VREF, and then the analog input signal. This ensures proper operation and prevents damage to the device.
  • To optimize performance in noisy environments, use a low-pass filter at the analog input, ensure good power supply decoupling, and consider using a shielded enclosure to reduce electromagnetic interference (EMI).
  • The maximum sampling rate of the AD7678ASTZ is 500 kSPS. However, the actual achievable sampling rate may be limited by the system's analog input bandwidth, filter settling time, and other factors.
  • Yes, the AD7678ASTZ can be used with an external reference voltage. The VREF pin can be connected to an external reference voltage source, allowing for greater flexibility in system design.
  • To handle overvoltage conditions, use external protection circuitry such as clamping diodes or voltage-limiting resistors to prevent damage to the device. Additionally, consider using a voltage limiter or a clamp circuit to protect the analog input.

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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 AD7678ASTZRL Analog Devices Inc

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

Part Image AD7678AST Analog Devices Inc

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