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PA443DF - Apex Microtechnology

Description: Representing a fourth product iteration, the PA44X series provides next generation performance based on the PA34X product family (no longer supported for design in). These new IC designs leverage improvements in a specialty high voltage process to provide a staggering 96 percent reduction in signal noise and an equally impressive 2X improvement on offset voltage. For piezo positioning applications, a low noise rating of 12µV RMS at 20kHz bandwidth (Cc = 68pF) makes the PA441DF/PA441DW/PA443DF the amplifiers

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PA443DF - Apex Microtechnology - PCB symbol
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PCB Footprints
PA443DF - Apex Microtechnology PCB footprint - Other - Other - PA443DF
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PA443DF - Apex Microtechnology - 3D model - Other - PA443DF
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PA443DF Details

  • Manufacturer Part Number:

    PA443DF

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    USA

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Apex Microtechnology Inc

  • YTEOL:

    4.15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Average Bias Current-Max (IIB):

    0.0002 µA

  • Common-mode Reject Ratio-Nom:

    115 dB

  • Input Offset Voltage-Max:

    20000 µV

  • JESD-30 Code:

    R-PDSO-G24

  • JESD-609 Code:

    e3

  • Length:

    15.9 mm

  • Moisture Sensitivity Level:

    3

  • Neg Supply Voltage Limit-Max:

    -175 V

  • Neg Supply Voltage-Nom (Vsup):

    -150 V

  • Number of Functions:

    2

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH

  • Seated Height-Max:

    3.3 mm

  • Slew Rate-Nom:

    32 V/us

  • Supply Voltage Limit-Max:

    175 V

  • Supply Voltage-Nom (Vsup):

    150 V

  • Surface Mount:

    YES

  • Technology:

    MOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    DUAL

  • Unity Gain BW-Nom:

    10000

  • Width:

    11 mm

PA443DF Frequently Asked Questions (FAQs)

  • Apex Microtechnology recommends a 4-layer PCB with a solid ground plane, and thermal vias under the package to dissipate heat. A thermal pad on the bottom of the package should be connected to a heat sink or a thermal management system.
  • Apex Microtechnology recommends using a bias circuit with a voltage regulator and a temperature compensation network to ensure stable biasing. The recommended bias voltage is 12V, and the quiescent current should be set to 150mA.
  • Apex Microtechnology recommends using a conjugate match at the input and output ports to achieve optimal power transfer. A 1:1 impedance transformer can be used at the input, and a λ/4 transformer can be used at the output.
  • Apex Microtechnology recommends using voltage and current limiting circuits to protect the device from overvoltage and overcurrent conditions. A voltage clamp can be used to limit the voltage to 15V, and a current sense resistor can be used to detect overcurrent conditions.
  • Apex Microtechnology recommends operating the PA443DF within a temperature range of -40°C to 85°C. The device can be derated for operation above 85°C, but it is not recommended to operate the device below -40°C.

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PA443DF Overview

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