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LMH6645MA/NOPB - Texas Instruments

Description: 2.7V, 650µA, 55MHz, Rail-to-Rail Input and Output Amplifiers with Shutdown Option

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LMH6645MA/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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LMH6645MA/NOPB - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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LMH6645MA/NOPB Details

  • Manufacturer Part Number:

    LMH6645MA/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    2.2 µA

  • Bandwidth (3dB)-Nom:

    55 MHz

  • Bias Current-Max (IIB) @25C:

    2 µA

  • Common-mode Reject Ratio-Min:

    60 dB

  • Common-mode Reject Ratio-Nom:

    84 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.5 µA

  • Input Offset Voltage-Max:

    3000 µV

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.902 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -6.3 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °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:

    1.753 mm

  • Slew Rate-Min:

    15 V/us

  • Slew Rate-Nom:

    22 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    1.6 mA

  • Supply Voltage Limit-Max:

    6.3 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • 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:

    40000

  • Voltage Gain-Min:

    5000

  • Wideband:

    NO

  • Width:

    3.899 mm

LMH6645MA/NOPB Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LMH6645MA is 1.4W, which is calculated based on the maximum junction temperature (TJ) of 150°C and the thermal resistance (θJA) of 57.1°C/W.
  • While the LMH6645MA is an op-amp, it can be used as a comparator in certain applications. However, it's not recommended for high-speed or high-frequency comparator applications due to its limited slew rate and bandwidth.
  • To ensure stability, make sure to follow proper compensation techniques, such as adding a capacitor in the feedback loop or using a resistor in series with the feedback capacitor. Additionally, ensure that the gain and phase margins are sufficient to prevent oscillations.
  • For optimal performance, use a symmetrical PCB layout, keep the input and output traces short and away from noise sources, and use a solid ground plane. Also, decouple the power supply pins with capacitors and use a low-ESR capacitor for the bypass capacitor.
  • The LMH6645MA is rated for operation up to 125°C, but its performance may degrade at higher temperatures. If you need to operate in high-temperature environments, consider using a more temperature-stable op-amp or taking additional thermal management measures.

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LMH6645MA/NOPB Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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