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LME49740NA - Texas Instruments

Description: TEXAS INSTRUMENTS - LME49740NA - Audio Power Amplifier, 4 Channel, ± 2.5V to ± 17V, DIP, 14 Pins

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LME49740NA - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - NFF0014A
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LME49740NA - Texas Instruments  - 3D model - Dual-In-Line Packages - NFF0014A
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LME49740NA Details

  • Manufacturer Part Number:

    LME49740NA

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, DIP-14

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.072 µA

  • Bias Current-Max (IIB) @25C:

    0.072 µA

  • Common-mode Reject Ratio-Min:

    110 dB

  • Common-mode Reject Ratio-Nom:

    120 dB

  • Frequency Compensation:

    YES

  • Input Offset Voltage-Max:

    700 µV

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e3

  • Length:

    19.05 mm

  • Low-Bias:

    NO

  • Low-Offset:

    YES

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.334 mm

  • Slew Rate-Min:

    15 V/us

  • Slew Rate-Nom:

    20 V/us

  • Supply Current-Max:

    20 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

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

    40

  • Unity Gain BW-Nom:

    55000

  • Voltage Gain-Min:

    1778279.41

  • Wideband:

    NO

  • Width:

    7.62 mm

LME49740NA Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended layout and PCB design guide in their application note SLAA402A, which includes guidelines for component placement, routing, and grounding to minimize noise and ensure optimal performance.
  • To handle the high output current capability of the LME49740NA, ensure that the output stage is properly heatsinked, and consider using a current-sensing resistor to monitor output current. Additionally, follow proper PCB design and layout guidelines to minimize thermal resistance and ensure reliable operation.
  • The recommended input and output capacitance for stability is not explicitly stated in the datasheet, but as a general rule, it's recommended to use a minimum of 10nF to 100nF of capacitance at the input and output pins to ensure stability and filter out high-frequency noise.
  • To minimize noise and distortion, ensure that the power supply is well-regulated and filtered, use a low-noise voltage reference, and consider using a noise-reducing capacitor at the input pins. Additionally, follow proper PCB design and layout guidelines to minimize noise coupling and ensure reliable operation.
  • The maximum operating temperature range for the LME49740NA is -40°C to 125°C, but it's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance and reliability.

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LME49740NA 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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Part Image LME49740NA National Semiconductor Corporation

Operational Amplifier, 4 Func, 700uV Offset-Max, PDIP14