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AD7403-8BRIZ - Analog Devices

Description: ► 5 MHz to 20 MHz external clock input rate ► 16 bits, no missing codes ► Signal-to-noise ratio (SNR): 88 dB typical ► Effective number of bits (ENOB): 14.2 bits typical ► Offset drift vs. temperature ► AD7403: 1.6 µV/°C typical ► AD7403-8: 2 µV/°C typical ► On-board digital isolator ► On-board reference ► Full-scale analog input range: ±320 mV ► Operating range ► AD7403: −40°C to +125°C ► AD7403-8: −40°C to +105°C ► High common-mode transient immunity: >25 kV/µs ► Wide-body SOIC with increase

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AD7403-8BRIZ - Analog Devices - PCB symbol
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AD7403-8BRIZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead Standard Small Outline Package, with Increased Creepage [SOIC_IC]
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AD7403-8BRIZ - Analog Devices - 3D model - Small Outline Packages - 8-Lead Standard Small Outline Package, with Increased Creepage [SOIC_IC]
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AD7403-8BRIZ Details

  • Manufacturer Part Number:

    AD7403-8BRIZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    RI-8-1

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    0.32 V

  • Analog Input Voltage-Min:

    -0.32 V

  • Converter Type:

    ADC, DELTA-SIGMA

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    7.5 mm

  • Linearity Error-Max (EL):

    0.0099%

  • Moisture Sensitivity Level:

    3

  • Number of Analog In Channels:

    1

  • Number of Bits:

    16

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY

  • Output Format:

    SERIAL

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Sample Rate:

    20 MHz

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    33.5 mA

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    5.85 mm

AD7403-8BRIZ Frequently Asked Questions (FAQs)

  • The AD7403-8BRIZ requires careful layout and placement to minimize noise and ensure optimal performance. It is recommended to place the device close to the analog signal source, use a solid ground plane, and keep the analog and digital signals separate. Additionally, decoupling capacitors should be placed close to the device's power pins.
  • To handle high-frequency noise and EMI susceptibility, it is recommended to use a low-pass filter at the input, add a ferrite bead or a common-mode choke to the power supply lines, and use a shielded enclosure. Additionally, the device's digital outputs should be isolated from the analog inputs using optocouplers or digital isolators.
  • The recommended power-up sequence for the AD7403-8BRIZ is to first apply the analog power supply (VCC) and then the digital power supply (VDD). The digital power supply should be powered up after the analog power supply has reached its nominal value. This sequence helps prevent latch-up or damage to the device.
  • The AD7403-8BRIZ requires calibration to achieve optimal accuracy and linearity. The device has an internal calibration mode that can be accessed through the SPI interface. The calibration process involves adjusting the internal offset and gain registers to compensate for any errors or non-idealities in the device.
  • The AD7403-8BRIZ is rated for operation over a temperature range of -40°C to +125°C. Temperature affects the device's performance, with increased temperature resulting in decreased accuracy and linearity. It is recommended to operate the device within a temperature range of 0°C to +70°C for optimal performance.

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AD7403-8BRIZ 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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