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AD621BR - Analog Devices

Description: Instrumentation Amplifiers Low Drift Low Power

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AD621BR - Analog Devices - PCB symbol
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AD621BR - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R-8.-1
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AD621BR - Analog Devices - 3D model - Small Outline Packages - R-8.-1
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AD621BR Details

  • Manufacturer Part Number:

    AD621BR

  • Source Url Status Check Date:

    2013-05-01 14:56:15.348

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    PLASTIC, SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    R-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • Amplifier Type:

    INSTRUMENTATION AMPLIFIER

  • Average Bias Current-Max (IIB):

    0.0015 µA

  • Bandwidth (3dB)-Nom:

    0.2 MHz

  • Common-mode Reject Ratio-Min:

    120 dB

  • Input Offset Current-Max (IIO):

    0.00075 µA

  • Input Offset Voltage-Max:

    215 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e0

  • 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:

    0.001%

  • 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):

    240

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.59 mm

  • Slew Rate-Nom:

    1.2 V/us

  • Supply Current-Max:

    1.6 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn85Pb15)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Voltage Gain-Min:

    10

  • Voltage Gain-Nom:

    100

  • Width:

    3.9 mm

AD621BR Frequently Asked Questions (FAQs)

  • A good PCB layout for the AD621BR involves keeping the input and output traces separate, using a ground plane, and placing the device close to the signal source. Additionally, it's recommended to use a low-ESR capacitor for the power supply decoupling.
  • To ensure the AD621BR operates within its specified temperature range, it's essential to provide adequate heat sinking, especially in high-power applications. A thermal interface material can be used to improve heat transfer between the device and the heat sink.
  • The recommended input impedance for the AD621BR is 1 kΩ or higher. A lower input impedance can lead to reduced gain accuracy and increased noise. It's essential to ensure the input impedance is within the recommended range to achieve optimal performance.
  • Yes, the AD621BR can be used in a single-supply configuration. However, the output voltage swing will be limited to approximately 1.5 V below the positive supply rail. Additionally, the input common-mode range will be reduced, and the device may not be able to handle rail-to-rail input signals.
  • To troubleshoot common issues with the AD621BR, start by checking the PCB layout and ensuring that the device is properly decoupled. Verify that the input and output impedances are within the recommended ranges. If oscillations occur, try adding a small capacitor (e.g., 10 nF) between the output and the inverting input. If instability persists, consult the datasheet and application notes for further guidance.

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AD621BR 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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