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OPA743NA/3K - Texas Instruments

Description: 12V, 7MHz, CMOS Rail-to-Rail I/O Operational Amplifier

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OPA743NA/3K - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV0005A
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OPA743NA/3K - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV0005A
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OPA743NA/3K Details

  • Manufacturer Part Number:

    OPA743NA/3K

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23-5

  • Pin Count:

    5

  • 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):

    0.00001 µA

  • Bias Current-Max (IIB) @25C:

    0.00001 µA

  • Common-mode Reject Ratio-Min:

    66 dB

  • Common-mode Reject Ratio-Nom:

    84 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.00001 µA

  • Input Offset Voltage-Max:

    7000 µV

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    2

  • Neg Supply Voltage Limit-Max:

    -6.6 V

  • Neg Supply Voltage-Nom (Vsup):

    -5 V

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.45 mm

  • Slew Rate-Nom:

    10 V/us

  • Supply Current-Max:

    1 mA

  • Supply Voltage Limit-Max:

    6.6 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Unity Gain BW-Nom:

    7000

  • Voltage Gain-Min:

    19950

  • Wideband:

    NO

  • Width:

    1.6 mm

OPA743NA/3K Frequently Asked Questions (FAQs)

  • The maximum power dissipation of OPA743NA/3K 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, it's essential to follow proper PCB layout practices, such as minimizing parasitic capacitance and inductance, using a solid ground plane, and placing bypass capacitors close to the op-amp. Additionally, selecting the correct feedback resistors and capacitors can help maintain stability.
  • The recommended input voltage range for OPA743NA/3K is between 1.35V and 3.8V, which is within the common-mode input voltage range. Operating outside this range may affect the op-amp's performance and accuracy.
  • While OPA743NA/3K can operate up to 125°C, it's essential to consider the device's thermal limitations and ensure proper heat dissipation. If your application requires high-temperature operation, consider using a thermally enhanced package or a heat sink to maintain a safe junction temperature.
  • When selecting an output capacitor, consider the op-amp's output impedance, the desired frequency response, and the capacitor's ESR (Equivalent Series Resistance). A general rule of thumb is to choose a capacitor with an ESR less than 5 ohms and a capacitance value between 10nF and 100nF.

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OPA743NA/3K 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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