Texas Instruments

LME49740MA/NOPB  

OP Amps, Buffer Amps ICs

LME49740MA/NOPB Description

The LME49740MA/NOPB is a high-performance, four-channel audio amplifier from Texas Instruments, designed for demanding audio applications. This IC is part of the LME® series, known for its exceptional audio performance and reliability. The LME49740MA/NOPB features a wide supply voltage range of 5 V to 34 V, making it suitable for various power supply configurations. It offers a gain bandwidth product of 55 MHz, ensuring high-frequency performance and stability. The amplifier's -3 dB bandwidth is 10 MHz, providing excellent signal fidelity across a broad frequency spectrum. With a slew rate of 20 V/µs, the LME49740MA/NOPB can handle fast transient signals without distortion, making it ideal for high-fidelity audio applications.

LME49740MA/NOPB Features

• High Gain Bandwidth Product: The 55 MHz gain bandwidth product ensures that the LME49740MA/NOPB can handle high-frequency signals with minimal phase shift and distortion, making it suitable for high-fidelity audio systems.
• Wide Supply Voltage Range: The 5 V to 34 V supply voltage range provides flexibility in power supply design, allowing the amplifier to operate efficiently in a variety of applications.
• Low Input Bias Current: The 10 nA input bias current minimizes the loading effect on the input signal source, preserving signal integrity and reducing noise.
• Low Input Offset Voltage: The 100 µV input offset voltage ensures high accuracy and linearity in the amplified signal, contributing to superior audio quality.
• High Slew Rate: The 20 V/µs slew rate enables the amplifier to respond quickly to transient signals, preventing distortion and maintaining signal clarity.
• High Output Current: Each channel can deliver up to 26 mA, allowing the LME49740MA/NOPB to drive low-impedance loads effectively.
• Surface Mount Package: The surface mount package type facilitates easy integration into compact and high-density PCB designs, enhancing manufacturability and reliability.
• Compliance and Reliability: The LME49740MA/NOPB is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, making it suitable for unlimited storage and handling conditions.

LME49740MA/NOPB Applications

The LME49740MA/NOPB is ideal for a range of high-fidelity audio applications, including:

• Professional Audio Systems: Its high performance and wide bandwidth make it suitable for mixing consoles, studio monitors, and professional recording equipment.
• Consumer Electronics: The LME49740MA/NOPB can be used in high-end home theater systems, soundbars, and portable audio devices where high-quality audio reproduction is critical.
• Automotive Audio: The wide supply voltage range and robust performance make it suitable for car audio systems, where it can handle the varying electrical conditions of a vehicle's power supply.
• Industrial Audio Applications: The amplifier's reliability and compliance with environmental standards make it suitable for industrial applications requiring high-fidelity audio, such as public address systems and intercoms.

Conclusion of LME49740MA/NOPB

The LME49740MA/NOPB from Texas Instruments is a versatile and high-performance audio amplifier that offers superior audio quality, wide bandwidth, and robust performance. Its low input bias current, low input offset voltage, and high slew rate ensure minimal distortion and excellent signal fidelity. The wide supply voltage range and high output current capability make it suitable for a variety of applications, from professional audio systems to consumer electronics and automotive audio. The surface mount package and compliance with environmental standards further enhance its suitability for modern, high-density PCB designs. While the product is now obsolete, its legacy as a high-performance audio amplifier remains, making it a valuable component for existing designs and legacy systems.

LME49740MA/NOPB Documents

Download datasheets and manufacturer documentation for LME49740MA/NOPB

Datasheets :

LME49740      

PCN Obsolescence/ EOL :

Multiple Devices 28/Sep/2015