LME49720 Audio Operational Amplifier: Circuit, Price and Alternatives

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Published: 29 June 2021 | Last Updated: 29 June 2021

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datasheet pdf and product details from stock available at Utmel

Purchase Guide

LME49720 is an audio operational amplifier.This article mainly introduce its circuit, price, alternatives and other detailed informations about Texas instruments LME49720.

This video will show you how the LME49720 look like.

Topping NX3s OPA2140 + LME49720 Unboxing

LME49720 Description

The LME49720 is part of a series of ultra-low distortion, low network noise, and high conversion rate operational amplifiers. It is optimized and fully specified for high performance. It combines advanced cutting-edge process technology with the most advanced circuit design. LME49720 audio operational amplifiers can provide Excellent audio signal amplification to achieve excellent audio performance. The LME49720 combines extremely low voltage noise density (2.7nV/√Hz) with extremely low THD+N (0.00003%) to easily meet the most demanding audio applications.


LME49720 Pinout

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LME49720 CAD Model

Footprint

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3D Model

LME49720 3D Model.jpg

LME49720 Features

● Easily Drives 600ΩLoads

● Optimized for Excellent Audio Signal Fidelity

● Output Short Circuit Protection

● PSRR and CMRR Exceed 120dB (typ)

● Metal Can Packages(SOIC, PDIP, TO-99)


Specifications

technical specifications, attributes, parameters and parts with similar specifications to .
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LME49720 Alternatives

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LME49720 Applications

High Fidelity Multimedia

High Fidelity Active Filters

High Fidelity Preamplifiers

High Performance Line Drivers

State of the Art Phono Pre Amps

High Performance Line Receivers.

High Performance Professional Audio

Super High Quality Audio Amplification

High Fidelity Equalization and Crossover Networks series


LME49720 Typical Application

Typical Application Passively Equalized RIAA Phono Preamplifier.png

Passively Equalized RIAA Phono Preamplifier


LME49720 Package

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LME49720 Circuits

Noise Measurement Circuit.png

Noise Measurement Circuit

THD+N and IMD Distortion Test Circuit.png

THD+N and IMD Distortion Test Circuit

LME49720 Manufacturer

Texas Instruments (TI) is an American technology company headquartered in Dallas, Texas, which designs and manufactures semiconductors and various integrated circuits, and sells them to electronic designers and manufacturers worldwide. It is one of the top 10 semiconductor companies in global sales. The company focuses on the development of analog chips and embedded processors, which account for more than 80% of its revenue. TI also produces TI digital light processing technology and educational technology products, including calculators, microcontrollers and multi-core processors. As of 2016, the company has 45,000 patents worldwide.


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Frequently Asked Questions

1.Which operation is an upgraded version, LME49860 OP-AMP or LME49720 OP-AMP? Which is better?

LME49720 is better. It has a high conversion rate of ±20V/μs, and an output current capability of ±26mA. In addition, the output stage with maximum dynamic range drives a 2kΩ load to within 1V of any power supply voltage, and when driving a 600Ω load, it drives within 1.4V. LME49720 CMRR (120dB), PSRR (120dB) and VOS (0.1mV) make the amplifier perform excellent operational amplifier DC performance. LME49720 adopts SOIC, PDIP, TO-99 packaging process.

2.Can LM4562/LME49720/LME49722/LME49860 be directly replaced?

Yes, they can.

3.Can OPA2107 and LME49720 be interchangeable?

The two are interchangeable. The performance is good, but the style is different. It depends on you.

4.What’s the difference between LME49720 and LME49860?

The LME49720 output stage is optimized for supply voltages under +-17 volts. The LME49860 is optimized for +-14.5 to 22 volts. The LM4562 is similar to the LME49720 except it's in a metal case and has better heat dissipation and drives 600 ohms effortlessly.

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