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AD8422ARZ - Analog Devices

Description: Analog Devices, AD8422ARZ Analog Devices AD8422ARZ Instrumentation Amplifier, 60μV Offset 2200kHz GBW, CMMR 80dB, 3.6 → 36 V, 8-Pin SOIC

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AD8422ARZ - Analog Devices - PCB symbol
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PCB Footprints
AD8422ARZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R-8 (SOIC)
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AD8422ARZ - Analog Devices - 3D model - Small Outline Packages - R-8 (SOIC)
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AD8422ARZ Details

  • Manufacturer Part Number:

    AD8422ARZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    R-8

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Amplifier Type:

    INSTRUMENTATION AMPLIFIER

  • Average Bias Current-Max (IIB):

    0.002 µA

  • Bandwidth (3dB)-Nom:

    2.2 MHz

  • Common-mode Reject Ratio-Min:

    83 dB

  • Input Offset Current-Max (IIO):

    0.0008 µA

  • Input Offset Voltage-Max:

    70 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Non-linearity-Max:

    0.002%

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    0.4 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • 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

  • Voltage Gain-Max:

    1000

  • Voltage Gain-Min:

    1

  • Voltage Gain-Nom:

    10

  • Width:

    3.9 mm

AD8422ARZ Frequently Asked Questions (FAQs)

  • The AD8422ARZ is a high-gain, high-impedance amplifier, so it's crucial to follow proper layout and placement guidelines to minimize noise and ensure optimal performance. Keep the input traces short and away from noise sources, use a solid ground plane, and place the amplifier close to the input signal source. Also, ensure that the power supply decoupling capacitors are placed close to the amplifier.
  • To optimize the gain and bandwidth of the AD8422ARZ, you need to consider the input signal frequency, amplitude, and impedance. The gain can be adjusted by selecting the appropriate feedback resistors (Rf and Rg). For higher frequencies, use smaller values of Rf and Rg to maintain a flat frequency response. You can also use the AD8422ARZ's internal compensation capacitor (Ccomp) to optimize the bandwidth.
  • When selecting input and output capacitors for the AD8422ARZ, consider the capacitor's equivalent series resistance (ESR), capacitance value, and voltage rating. Choose capacitors with low ESR to minimize noise and ensure stability. The input capacitor should be able to handle the input signal frequency and amplitude, while the output capacitor should be able to handle the output current and voltage.
  • The AD8422ARZ is specified to operate from -40°C to 125°C. Ensure that the device operates within this range by providing adequate heat sinking, avoiding high-power dissipation, and using thermal management techniques. Exceeding the temperature range can lead to reduced performance, increased noise, and even device failure.
  • Common pitfalls to avoid when designing a PCB layout for the AD8422ARZ include: not following proper grounding and shielding techniques, not providing adequate power supply decoupling, not using proper signal routing and termination, and not considering thermal management. Additionally, avoid placing noise-sensitive components near the AD8422ARZ, and ensure that the PCB material and layout do not compromise the amplifier's performance.

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AD8422ARZ Overview

Use the download button to access the AD8422ARZ schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like AD842, or try a keyword search, such as Instrumentation Amplifiers

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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