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LM833: Operational Amplifier, Low Noise, Audio, Dual
https://www.onsemi.com/products/signal-conditioning-control/amplifiers-comparators/operational-amplifiers-op-amps/lm833
LM833: Operational Amplifier, Low Noise, Audio, Dual. The LM833 is a standard low-cost monolithic dual general-purpose op-amp employing bipolar technology with innovative high-performance concepts for audio systems applications. With high frequency PNP transistors, the LM833 offers low voltage noise (4.5nV/Hz^0.5), 15 MHz gain bandwidth product, 7.0 V/5s slew …
MC33079 - Low-noise op-amps - STMicroelectronics
https://www.st.com/en/amplifiers-and-comparators/mc33079.html
Description. The MC33079 device is a monolithic quad operational amplifier particularly well suited for audio applications. It offers low voltage noise (4.5 nV/√ Hz) and high frequency performance (15 MHz gain bandwidth product, 7 V/μs slew rate). In addition the MC33079 device has a very low distortion (0.002%) and excellent phase/gain margins.
LT1115 Datasheet and Product Info | Analog Devices
https://www.analog.com/en/products/lt1115.html
The LT1115 is the lowest noise audio operational amplifier available. This ultralow noise performance (0.9nV/√ Hz at 1kHz) is combined with high slew rates (>15V/µs) and very low distortion specifications. The RIAA circuit shown below using the LT1115 has very low distortion and little deviation from ideal RIAA response (see graph). Applications.
OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, …
https://www.ti.com/lit/ds/symlink/opa1656.pdf
Burr-Brown™ Audio Operational Amplifiers 1 Features • Ultra-low noise: – Voltage noise: 2.9 nV/√Hz at 10 kHz – Current noise: 6 fA/√Hz at 1 kHz • Low distortion: – 0.000029% (–131 dB) at 1 kHz – 0.000035% (–129 dB) at 20 kHz • High open-loop gain: 150 dB • High output current: 100 mA • Low input bias current: 10 pA
60 dB Low Noise Audio Amplifier - jensign.com
https://www.jensign.com/60dBLowNoiseAudioAmplifier/index.html
A low voltage supply is within the supply range of many typical op-amps and is useful for lower level preamp applications such as noise measurements. The first circuit (see schematic below, upper circuit) is a 60dB midband signal gain non-inverting amplifier with an f -3dB bandwidth of about 50 kHz. This is useful as a generic low noise, hi-gain block to boost low-level input …
The Top 10 Operational Amplifiers on SnapEDA – …
https://blog.snapeda.com/2019/10/23/the-top-10-operational-amplifiers/
OPA1656 data sheet, product information and support | …
https://www.ti.com/product/OPA1656
The OPA1655 and OPA1656 (OPA165x) are Burr-Brown™ op amps designed specifically for audio and industrial applications, where maintaining signal fidelity is crucial. The FET-input architecture achieves a low 2.9‑nV/√ Hz voltage noise density and 6‑fA/√ Hz current noise density, allowing for very-low noise performance in a wide variety of circuits.
Ultra low noise amplifiers - JanasCard
http://www.janascard.cz/PDF/Design%20of%20ultra%20low%20noise%20amplifiers.pdf
Various types of ultra-low noise amplifiers both for DC and AC signals are described. “Ultra-low noise” here means that voltage noise density is bellow 1 nV/√Hz for AC amplifiers or noise less than 100 nVpp for DC amplifiers. 1. Ultra–low noise AC amplifiers Op amplifiers (OA) are widely used as AC amplifiers. For ultra-low noise amplifiers are
Generic Ammoon HA400 Ultra-compact 4 Channels Mini …
https://www.jumia.com.ng/generic-ammoon-ha400-ultra-compact-4-channels-mini-audio-stereo-45275255.html
This 4 channel stereo headphone amplifier is designed for all types of headphones, it allows 4 people listener simultaneously and setting volume independently, its high- stereo amplifier ensures highest sonic quality even at max. volume, ultra low noise 4580 operational amplifiers provides you outstanding audio performance.Features:Super-compact 4-channel stereo …
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