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AD8221ARM - Analog Devices

Description: AD8221ARM, Instrumention Amplifier, 0.06mV Offset, 80dB CMRR, 8-Pin MSOP

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AD8221ARM - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - RM-8 (MSOP)
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AD8221ARM - Analog Devices  - 3D model - Small Outline Packages - RM-8 (MSOP)
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AD8221ARM Details

  • Manufacturer Part Number:

    AD8221ARM

  • Source Url Status Check Date:

    2013-05-01 14:56:24.72

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Package Description:

    MO-187AA, MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    RM-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:

    0.825 MHz

  • Common-mode Reject Ratio-Min:

    90 dB

  • Input Offset Current-Max (IIO):

    0.0006 µA

  • Input Offset Voltage-Max:

    60 µV

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e0

  • Length:

    3 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:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    240

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Nom:

    2 V/us

  • Supply Current-Max:

    1 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Voltage Gain-Max:

    1000

  • Voltage Gain-Min:

    1

  • Voltage Gain-Nom:

    10

  • Width:

    3 mm

AD8221ARM Frequently Asked Questions (FAQs)

  • The AD8221ARM is a high-gain, high-impedance amplifier, so it's crucial to follow proper layout and placement guidelines to minimize noise and parasitic capacitance. Keep the input traces short and away from noise sources, and use a solid ground plane to reduce electromagnetic interference (EMI).
  • To optimize the gain and bandwidth of the AD8221ARM, adjust the gain-setting resistors (Rg) and the compensation capacitor (Cc) according to the datasheet. For higher gains, use smaller Rg values, and for higher bandwidths, use smaller Cc values. However, be aware that increasing the gain can compromise the amplifier's stability.
  • The AD8221ARM can handle input voltages up to ±10V, but it's essential to ensure that the input voltage does not exceed the power supply voltage (±Vs) to prevent damage to the device.
  • To reduce noise and oscillations in the AD8221ARM, use proper bypassing and decoupling techniques, such as adding capacitors between the power supply pins and ground. Additionally, use a low-noise power supply, and consider adding a noise filter or a ferrite bead to the input signal.
  • Yes, the AD8221ARM can be used as a single-ended amplifier by connecting the negative input to ground and using the positive input as the signal input. However, this configuration may compromise the amplifier's common-mode rejection ratio (CMRR) and noise performance.

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AD8221ARM 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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