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AD7874BRZ - Analog Devices

Description: AD7874BRZ, 12 bit ADC, Parallel, 28-Pin SOIC W

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AD7874BRZ - Analog Devices - PCB symbol
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AD7874BRZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R-28(SOIC)_2
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AD7874BRZ - Analog Devices - 3D model - Small Outline Packages - R-28(SOIC)_2
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AD7874BRZ Details

  • Manufacturer Part Number:

    AD7874BRZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    RW-28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog Input Voltage-Max:

    10 V

  • Analog Input Voltage-Min:

    -10 V

  • Conversion Time-Max:

    35 µs

  • Converter Type:

    ADC, SUCCESSIVE APPROXIMATION

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    17.9 mm

  • Linearity Error-Max (EL):

    0.012%

  • Moisture Sensitivity Level:

    3

  • Negative Supply Voltage-Nom:

    -5 V

  • Number of Analog In Channels:

    4

  • Number of Bits:

    12

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Bit Code:

    BINARY, 2S COMPLEMENT BINARY

  • Output Format:

    PARALLEL, WORD

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP28,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Sample Rate:

    0.029 MHz

  • Sample and Hold / Track and Hold:

    TRACK

  • Seated Height-Max:

    2.65 mm

  • Supply Current-Max:

    18 mA

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • 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:

    7.5 mm

AD7874BRZ Frequently Asked Questions (FAQs)

  • The AD7874BRZ requires careful layout and placement to minimize noise and ensure accurate conversions. It is recommended to place the device close to the analog signal sources, 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 optimize the AD7874BRZ's performance, it is essential to understand the specific requirements of your application. This includes selecting the correct gain and offset settings, optimizing the sampling rate, and ensuring proper filtering and signal conditioning. Additionally, consider the noise floor, common-mode rejection ratio, and power supply rejection ratio to achieve the best possible performance.
  • The AD7874BRZ's analog-to-digital conversion has limitations, including a finite resolution (12-bit), a limited input range (-Vref to +Vref), and a maximum sampling rate (100 kSPS). Additionally, the device may exhibit non-linearity, offset, and gain errors, which can affect the accuracy of the conversion.
  • The AD7874BRZ can be interfaced with a microcontroller or digital signal processor using a serial peripheral interface (SPI) or inter-integrated circuit (I2C) bus. The device's digital output can be connected to the microcontroller's or DSP's digital input, and the clock signal can be generated by the microcontroller or DSP.
  • The AD7874BRZ requires a single 2.7 V to 5.5 V power supply, with a recommended operating voltage of 3.3 V or 5 V. The device's power consumption is typically 1.5 mA at 3.3 V, and it is essential to ensure a stable power supply to maintain accurate conversions.

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AD7874BRZ 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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