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MC33172D - STMicroelectronics

Description: MC33172D, Dual Operational Amplifier 2.1MHz 5 to 28V, 8-Pin SO

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MC33172D Details

  • Manufacturer Part Number:

    MC33172D

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, MICRO, PLASTIC, SOP-8

  • Pin Count:

    8

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    4.15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.2 µA

  • Bias Current-Max (IIB) @25C:

    0.1 µA

  • Common-mode Reject Ratio-Min:

    80 dB

  • Common-mode Reject Ratio-Nom:

    100 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    6500 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -22 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    2

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    105 °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 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-Min:

    1.6 V/us

  • Slew Rate-Nom:

    2 V/us

  • Supply Current-Max:

    0.5 mA

  • Supply Voltage Limit-Max:

    22 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    2100

  • Voltage Gain-Min:

    50000

  • Wideband:

    NO

  • Width:

    3.9 mm

MC33172D Frequently Asked Questions (FAQs)

  • A good PCB layout for the MC33172D involves keeping the input and output traces separate, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a shielded inductor and to keep the switching node (pin 5) away from sensitive nodes.
  • The inductor value depends on the input voltage, output voltage, and switching frequency. A good starting point is to use the inductor value calculation formula provided in the datasheet. Additionally, consider the inductor's saturation current, DC resistance, and core material when selecting an inductor.
  • The MC33172D is rated for operation from -40°C to 125°C. However, the device's performance and reliability may degrade at extreme temperatures. It's recommended to derate the device's performance and consider thermal management techniques for high-temperature applications.
  • To ensure stability, follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. It's also recommended to add a small capacitor (e.g., 10nF) between the feedback pin (pin 3) and ground to improve stability.
  • Yes, the MC33172D can be used in a synchronous rectification configuration. However, this requires additional external components and careful design consideration to ensure proper operation. It's recommended to consult the datasheet and application notes for more information.

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MC33172D Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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