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AD7478AWARMZ - Analog Devices

Description: Single Channel Single ADC SAR 1.2Msps 8-bit Serial Automotive 8-Pin MSOP Tube

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AD7478AWARMZ - Analog Devices - PCB symbol
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AD7478AWARMZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RM-08-2022
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AD7478AWARMZ - Analog Devices - 3D model - Small Outline Packages - RM-08-2022
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AD7478AWARMZ Details

  • Manufacturer Part Number:

    AD7478AWARMZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    ROHS COMPLIANT, MO-187AA, MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    RM-8

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    5.25 V

  • Conversion Time-Max:

    0.6 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Linearity Error-Max (EL):

    0.1172%

  • Moisture Sensitivity Level:

    1

  • Number of Analog In Channels:

    1

  • Number of Bits:

    8

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    1 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

AD7478AWARMZ Frequently Asked Questions (FAQs)

  • The recommended layout and routing for the AD7478AWARMZ involves keeping the analog and digital sections separate, using a ground plane, and minimizing noise coupling. A 4-layer PCB with a dedicated analog ground plane is recommended. The analog input pins should be routed close to the ADC, and the digital output pins should be routed away from the analog section.
  • The AD7478AWARMZ requires a clock signal with a frequency range of 1 MHz to 20 MHz. The clock signal should be a clean, low-jitter signal, and it's recommended to use a clock source with a jitter of less than 100 ps. The clock signal should be routed close to the ADC, and it's recommended to use a series resistor and capacitor to filter out any noise.
  • The AD7478AWARMZ is specified to operate over a temperature range of -40°C to 125°C. The ADC's performance may degrade at higher temperatures, with a typical decrease in accuracy of 0.5 LSB/°C. It's recommended to use thermal management techniques, such as heat sinks or thermal interfaces, to keep the ADC at a stable temperature.
  • The AD7478AWARMZ does not require calibration, as it has an internal calibration circuit that is performed at power-up. However, it's recommended to perform a system-level calibration to account for any system-specific errors. This can be done by applying a known input voltage and measuring the output code, and then adjusting the system's gain and offset accordingly.
  • The recommended power-up sequence for the AD7478AWARMZ is to apply the analog supply voltage (VCC) first, followed by the digital supply voltage (VDD). The clock signal should be applied last, after the power supplies have stabilized. This ensures that the ADC powers up correctly and minimizes the risk of latch-up or other power-up related issues.

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AD7478AWARMZ 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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