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Op Amp Circuit Collection - UC Santa Barbara
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 R2 e R4 VOUT e R2 …
National Semiconductor Introduces Industry’s Lowest ...
https://www.edn.com/national-semiconductor-introduces-industrys-lowest-distortion-high-fidelity-audio-op-amps/
National’s 44V audio op amp family includes two package versions of the LME49860 dual, while the 34V family consists of the LME49710 single, LME49720 dual and the LME49740 quad op amps. They join the multiple award-winning 34V LM4562 dual, high-fidelity audio op amp as the newest members of National’s high-performance audio family.
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 …
The LM4562 dual audio op amp - Electronic Products
https://www.electronicproducts.com/the-lm4562-dual-audio-op-amp/
National Semiconductor won the Product of the Year Award for its LM4562 dual audio op amp. We recently communicated with lead designer Matsuro Koterasawa and asked him about the development of the part. The need. Audio performance levels have risen dramatically in the last 20 years. The last audio op amps were designed over 20 years ago.
National Semiconductor audio sound room - EDN
https://www.edn.com/national-semiconductor-audio-sound-room/
National’s multiple award-winning LM4562 audio op amp is inside the power supply regulators, which connect to National’s soon to be released headphone-buffer current driver. The two mono-block power amplifiers each employ National’s LME49810 audio power amplifier driver’s for driving the left and right Wilson Watt-Puppy speakers.
Op Amp Circuit Collection AN-31 - Frank's Hospital Workshop
http://frankshospitalworkshop.com/electronics/documents/OP%20Amp%20Circuit%20Collection%20-%20National.pdf
National Semiconductor Japan Ltd. Tel: 81-3-5639-7560 Fax: 81-3-5639-7507 www.national.com Op Amp Circuit Collection AN-31 National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.
Audio Op Amp drops distortion rate to 0.00003%.
https://news.thomasnet.com/fullstory/audio-op-amp-drops-distortion-rate-to-0-00003-494985
Suited for high-end professional audio applications, Model LM4562 combines 6 MHz unity-gain bandwidth operational amplifier with stereo audio power amplifier. Op amp features low input noise density of 2.7 nV/√Hz at 217 Hz, 1/f noise corner of 60 Hz, and 600 W output drive. Available in 8-lead SOIC dual in-line package, Model LM4562 has slew rate of 20 …
National Semiconductor LM4562NA Audio Amplifier …
https://www.amazon.com/National-Semiconductor-LM4562NA-Audio-Amplifier/dp/B00V09D9US
LM4562NA DIP-8 HI-Fi Audio Operational Op Amp Amplifiers IC Low Distortion Noise. Decsription: 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. Combining advanced leading-edge process technology with state-of-the-art circuit design, the LM4562 …
Audio Amplifier Circuit - UC Santa Barbara
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 …
DIY Op Amps - PassDiy
https://www.passdiy.com/pdf/diyopamp.pdf
usually operational amplifiers. Monolithic op amps are the gum drops of linear electronics. The Digikey catalog shows hundreds of such parts with prices ranging from about fifty cents to over twenty dollars, depending on performance, package, and manufacturer. Virtually all of these parts would serve in an audio project calling for an op amp.
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