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AD8643ARZ - Analog Devices

Description: Analog Devices AD8643ARZ, Quad Low Power Op Amp, 2.5MHz Rail-Rail, 5 → 26 V, 14-Pin SOIC

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AD8643ARZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - R-014
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AD8643ARZ Details

  • Manufacturer Part Number:

    AD8643ARZ

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, MS-012AB, SOIC-14

  • Pin Count:

    14

  • Manufacturer Package Code:

    R-14

  • 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):

    0.00026 µA

  • Bias Current-Max (IIB) @25C:

    0.000001 µA

  • Common-mode Reject Ratio-Min:

    90 dB

  • Common-mode Reject Ratio-Nom:

    107 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    1500 µV

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e3

  • Length:

    8.65 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -13.65 V

  • Neg Supply Voltage-Nom (Vsup):

    -13 V

  • Number of Functions:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • 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:

    1.75 mm

  • Slew Rate-Nom:

    3 V/us

  • Supply Current-Max:

    1.32 mA

  • Supply Voltage Limit-Max:

    13.65 V

  • Supply Voltage-Nom (Vsup):

    13 V

  • Surface Mount:

    YES

  • Technology:

    JFET

  • 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

  • Unity Gain BW-Nom:

    3500

  • Voltage Gain-Min:

    80000

  • Wideband:

    NO

  • Width:

    3.9 mm

AD8643ARZ Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the AD8643ARZ 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 ensure stability in a unity-gain configuration, add a 10nF to 22nF capacitor in parallel with a 1kΩ to 2kΩ resistor between the output and the inverting input. This helps to compensate for the op-amp's phase shift and prevent oscillations.
  • Use a star-grounding technique, where all grounds are connected to a single point, and keep the analog and digital grounds separate. Also, keep the input and output traces short and away from each other to minimize noise and crosstalk.
  • While the AD8643ARZ can be used as a comparator, it's not the most suitable choice due to its relatively slow slew rate (2.5V/μs) and limited bandwidth (3MHz). A dedicated comparator like the AD8561 or AD9671 would be a better option.
  • Use ESD protection devices such as TVS diodes (e.g., SMF05C) or ESD arrays (e.g., IP4201) on the input and output pins to protect the AD8643ARZ from electrostatic discharge.

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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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