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AD8429ARZ-R7 - Analog Devices

Description: Instrumentation Amplifiers Ultra Low Noise Precision In-Amp

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AD8429ARZ-R7 - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - (R-8)
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AD8429ARZ-R7 Details

  • Manufacturer Part Number:

    AD8429ARZ-R7

  • 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:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Amplifier Type:

    INSTRUMENTATION AMPLIFIER

  • Average Bias Current-Max (IIB):

    0.3 µA

  • Bandwidth (3dB)-Nom:

    15 MHz

  • Common-mode Reject Ratio-Min:

    80 dB

  • Input Offset Current-Max (IIO):

    0.1 µA

  • Input Offset Voltage-Max:

    150 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

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °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

  • Packing Method:

    TR, 7 INCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    22 V/us

  • Supply Current-Max:

    9 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    10000

  • Voltage Gain-Min:

    1

  • Voltage Gain-Nom:

    10

  • Width:

    3.9 mm

AD8429ARZ-R7 Frequently Asked Questions (FAQs)

  • A good PCB layout for the AD8429ARZ-R7 involves keeping the input and output traces separate, using a solid ground plane, and placing the device close to the signal source. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog ground plane to reduce noise and electromagnetic interference (EMI).
  • To ensure proper biasing, connect the VPOS pin to a stable voltage source between 4.5V and 36V, and the VNEG pin to a stable voltage source between -0.5V and -36V. The voltage difference between VPOS and VNEG should be at least 4.5V. Additionally, decouple the power supplies with 10uF capacitors to reduce noise and ripple.
  • The recommended input impedance for the AD8429ARZ-R7 is 1kΩ or higher. A higher input impedance can lead to improved common-mode rejection ratio (CMRR) and power supply rejection ratio (PSRR), but may also increase the device's noise floor. A lower input impedance can improve the device's bandwidth, but may compromise CMRR and PSRR.
  • To optimize the gain and bandwidth of the AD8429ARZ-R7, adjust the gain-setting resistors (Rg) and the feedback capacitors (Cf) according to the device's datasheet. A higher gain setting can improve the device's sensitivity, but may also reduce its bandwidth. Conversely, a lower gain setting can improve the device's bandwidth, but may compromise its sensitivity.
  • Common mistakes to avoid when designing with the AD8429ARZ-R7 include: not following the recommended PCB layout, not decoupling the power supplies, not using a stable voltage source, and not optimizing the gain and bandwidth settings for the specific application. Additionally, not considering the device's thermal characteristics and not providing adequate heat sinking can lead to reduced performance and reliability.

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AD8429ARZ-R7 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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