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ADA4620-1ARZ - Analog Devices

Description: Low offset voltage: ±25 μV typ  Low offset voltage drift  0.2 μV/°C typ  Low input bias current: 1 pA typ, 6 pA max  Low 1/f noise: 0.2 μV p-p, 0.1 Hz to 10 Hz typ  Voltage noise density: 5 nV/√Hz at 1 kHz typ  Gain bandwidth product: 16 MHz typ  High slew rate: 30 V/µs typ  Low THD + N: −133 dB at 1 kHz typ  Low supply current: 1.3 mA per amplifier typ  Wide power supply range  Single supply: 4.5 V to 36 V  Dual supplies: ±2.25 V to ±18 V  No phase reversal  Unity-gain stable 

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ADA4620-1ARZ - Analog Devices - PCB symbol
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ADA4620-1ARZ - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - (R-8)
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ADA4620-1ARZ Details

  • Manufacturer Part Number:

    ADA4620-1ARZ

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOIC-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.0015 µA

  • Bias Current-Max (IIB) @25C:

    0.000005 µA

  • Common-mode Reject Ratio-Min:

    116 dB

  • Common-mode Reject Ratio-Nom:

    120 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    250 µV

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -20 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 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 OUT LINE

  • Power:

    NO

  • Programmable Power:

    NO

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    30 V/us

  • Supply Current-Max:

    3.8 mA

  • Supply Voltage Limit-Max:

    20 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Unity Gain BW-Nom:

    18000

  • Voltage Gain-Min:

    199526.23149

  • Wideband:

    NO

  • Width:

    3.9 mm

ADA4620-1ARZ Frequently Asked Questions (FAQs)

  • A good PCB layout for the ADA4620-1ARZ involves keeping the input and output traces short and away from each other, using a solid ground plane, and decoupling the power supply pins with capacitors. A 4-layer PCB with a dedicated ground plane is recommended.
  • The gain resistors for the ADA4620-1ARZ should be chosen based on the desired gain and bandwidth. A good starting point is to use 1% or 0.1% tolerance resistors with a value between 1 kΩ and 100 kΩ. The datasheet provides a gain resistor calculator to help with the selection.
  • The maximum power dissipation for the ADA4620-1ARZ is 1.4 W, which is calculated based on the maximum junction temperature (150°C) and the thermal resistance (θJA) of the package. The actual power dissipation will depend on the operating conditions and the PCB layout.
  • Yes, the ADA4620-1ARZ can be used as a unity-gain buffer. However, it's recommended to add a small capacitor (e.g., 10 pF) in parallel with the feedback resistor to improve stability and reduce oscillations.
  • To handle EMI and RFI with the ADA4620-1ARZ, use a shielded enclosure, keep the input and output traces short, and use a common-mode choke or ferrite bead on the input lines. Additionally, consider using a low-pass filter or a shielded cable to reduce radiated emissions.

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ADA4620-1ARZ 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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