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Audio Op Amp | Overview | Operational Amplifiers | TI.com
https://www.ti.com/amplifier-circuit/op-amps/audio/overview.html
Audio op amps for the most. discerning audio enthusiasts. Building on TI's Burr-Brown™ technology legacy to deliver a superior audio experience. Explore our portfolio of audio op amps and deliver a superior audio experience to your …
New opamp from National | diyAudio
https://www.diyaudio.com/community/threads/new-opamp-from-national.11108/
LMH6624 - Ultra-low Noise Wideband Op Amp * 1.5 GHz Gain Bandwidth Product * 0.92 nV/ rtHz Input Voltage Noise * Low DC Errors: 100 µV V os , ±0.1 µV/°C Drift * Low Distortion: -65/-80 dBc HD2/HD3 @ 10 MHz * Applications: high-resolution applications, communications, xDSL, audio, medical and instrumentation markets.
New Op-Amps Promise High-End Sound - The Absolute …
https://www.theabsolutesound.com/articles/new-op-amps-promise-high-end-sound
August 16 – A new generation of operational amplifiers (op-amps) and power-amplifier drivers from National Semiconductor might result in a wholesale improvement in sound quality across a wide range of audio products. Op-amps are everywhere: preamplifier linestages, CD players, digital-to-analog converters, and the front ends of power amplifiers, to name just a few product …
Notes on Audio Op-Amps - Tangentsoft
https://tangentsoft.net/audio/opamps.html
We can eliminate power op-amps, super-high-speed op-amps, high-voltage op-amps, low-frequency op-amps, and low-spec general-purpose op-amps. Audio requires a fairly high slew rate to maintain low distortion, flat frequency response from 20 Hz to 20,000 Hz, and decent output current if the chip is to drive headphones directly.
Audio Op Amps - It's The Loop Gain You Seek, Not The ...
https://sparkoslabs.com/discrete-op-amps/audio-op-amps-gain-seek-bandwidth/
Introduction: Numerous opinions and preferences exist regarding op amp selection for hi-fi audio circuits.The question we attempt to answer is "Which op amp is the best for audio applications?" We go on Digikey, look up the AD's, LT's, LM's and NE's, and rapidly find our eyes glazing over from specification overload.
Audio Amplifier Circuit
https://web.ece.ucsb.edu/Faculty/rodwell/Classes/ece2c/labs/Lab%201a%20-%202C%202007.pdf
Audio Amplifier Circuit Overview In the first part of lab#1 you will construct a low-power audio amplifier/speaker driver based on the LM386 IC from National Semiconductor. The audio amplifier will be a self-contained, battery-operated component. In the …
Op Amp Circuit Collection
https://web.ece.ucsb.edu/Faculty/rodwell/Classes/ece2c/resources/an-31.pdf
Op Amp Circuit Collection AN-31 National Semiconductor Application Note 31 February 1978 Op Amp Circuit Collection SECTION 1—BASIC CIRCUITS Inverting Amplifier VOUT eb R2 R1 VIN RIN e R1 TL/H/7057–1 Non-Inverting Amplifier VOUT e R1 a R2 R1 VIN TL/H/7057–2 Difference Amplifier VOUT e # R1 a R2 R3 a R4J R4 R1 V2 b R2 R1 V1 For R1 e R3 and ...
The Top 10 Operational Amplifiers on SnapEDA – …
https://blog.snapeda.com/2019/10/23/the-top-10-operational-amplifiers/
LMH6629 from Texas Instruments. The LMH6629 is a high-speed, ultra low-noise voltage …
DIY Op Amps
https://www.passdiy.com/pdf/diyopamp.pdf
The output of the op amp can vary between +V and -V, and is controlled by the voltage difference between +In and -In. If the voltage at +In is positive with respect to -In, then the output of the op amp swings positive, toward the +V rail voltage. If the voltage at +In is negative compared to the voltage at -In, the output swings negative. It only takes
LM4562 data sheet, product information and support | …
https://www.ti.com/product/LM4562
The LM4562 is available in an 8-lead narrow body SOIC, an 8-lead PDIP, and an 8-lead TO-99. The LM4562 is part of the ultra-low distortion, low-noise, high-slew-rate operational amplifier series optimized and fully specified for high-performance, high-fidelity applications. The LM4562 audio operational amplifiers deliver superior audio signal amplification for outstanding audio …
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