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ADA4891-2ARMZ - Analog Devices

Description: Low Cost CMOS, High Speed, Rail-to-Rail Amplifiers (Dual)

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ADA4891-2ARMZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8-Lead Mini Small Outline Package [MSOP] (RM-8)
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ADA4891-2ARMZ - Analog Devices  - 3D model - Small Outline Packages - 8-Lead Mini Small Outline Package [MSOP] (RM-8)
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ADA4891-2ARMZ Details

  • Manufacturer Part Number:

    ADA4891-2ARMZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    ROHS COMPLIANT, MO-187AA, MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    RM-8

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.05 µA

  • Bias Current-Max (IIB) @25C:

    0.00005 µA

  • Common-mode Reject Ratio-Nom:

    87 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    10000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP8,.19

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Slew Rate-Nom:

    140 V/us

  • Supply Voltage Limit-Max:

    6 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    240000

  • Voltage Gain-Min:

    3980

  • Wideband:

    YES

  • Width:

    3 mm

ADA4891-2ARMZ Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the ADA4891-2ARMZ is 670mW, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 125°C/W.
  • To minimize noise and distortion, it is recommended to use a symmetrical layout, keep the input and output traces short and away from each other, and use a solid ground plane. Additionally, decoupling capacitors should be placed close to the power pins.
  • The recommended decoupling capacitor value for the ADA4891-2ARMZ is 0.1μF to 1μF, with a voltage rating of at least 10V. The capacitor should be placed as close as possible to the power pins.
  • Yes, the ADA4891-2ARMZ can be used as a unity-gain buffer. However, it is recommended to add a small resistor (e.g. 10Ω) in series with the input to improve stability and reduce oscillations.
  • To compensate for the input bias current of the ADA4891-2ARMZ, a resistor (e.g. 1kΩ) can be added in series with the input to balance the input bias current. Alternatively, a matched resistor can be added to the non-inverting input.

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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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