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OPA1656 data sheet, product information and support | TI.com
https://www.ti.com/product/OPA1656#:~:text=%20%20%20%20Type%20%20%20,19%20Sep%202019%20%206%20more%20rows%20
Low Noise Op Amps (≤ 10nV/√Hz) | Analog Devices
https://www.analog.com/en/products/amplifiers/operational-amplifiers/low-noise-op-amps-lessthanequalto-10nv.html
Low Noise Op Amps (≤ 10nV/√Hz) Analog Devices’ portfolio of low noise (≤ 10nV/√Hz) op amps includes many amps with the lowest noise performance in the industry. These high speed, low distortion (1 nV or less) op amps enable better signal fidelity in the most demanding conditions, allowing system designers to achieve the lowest total system noise performance in …
OPA1656 Ultra-low Noise Burr-Brown™ Audio Op Amps - …
https://www.mouser.com/new/texas-instruments/ti-opa1656-op-amps/
Texas Instruments OPA1656 Ultra-low Noise Burr-Brown™ Audio Operational Amplifiers are designed specifically for audio and industrial applications where maintaining signal fidelity is crucial. The OPA1656 Op …
OPA1656 data sheet, product information and support | …
https://www.ti.com/product/OPA1656
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 …
OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, …
https://www.ti.com/lit/ds/symlink/opa1656.pdf
OPA165x Ultra-Low-Noise, Low-Distortion, FET-Input, 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
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
LT1028/LT1128 - Ultralow Noise Precision High …
https://www.analog.com/media/en/technical-documentation/data-sheets/1028fd.pdf
Ultralow Noise Precision High Speed Op Amps The LT®1028(gain of –1 stable)/LT1128(gain of +1 stable) achieve a new standard of excellence in noise performance with 0.85nV/√Hz 1kHz noise, 1.0nV/√Hz 10Hz noise. This ultralow noise is combined with excellent high speed specifications (gain-bandwidth product is 75MHzfor
LMH6629 Ultra-Low Noise, High-Speed Operational …
https://www.ti.com/lit/ds/symlink/lmh6629.pdf
LMH6629 Ultra-Low Noise, High-Speed Operational Amplifier with Shutdown 1 Features 3 Description The LMH6629 is a high-speed, ultra-low noise 1• Specified for VS = 5 V, RL = 100 Ω, AV = 10V/V WSON-8 Package, unless Specified. –3dB amplifier designed for applications requiring wide bandwidth with high gain and low noise such as in Bandwidth 900 MHz
JFE150 Ultra-Low-Noise Pre-Amp
https://www.ti.com/lit/pdf/slpa018
Amplifying the small signals produced by sensors in a low-noise circuit is a very common but difficult problem. Designers often use an operational amplifier (op amp) with bipolar inputs to achieve this amplification, given their inherently low flicker (1/f) and broadband noise. Bipolar op amps present another challenge when the small
ultra-low noise transistors. - diyAudio
https://www.diyaudio.com/community/threads/ultra-low-noise-transistors.17285/
I believe that a lower voltaje noise can be obtained with BJTs (so happens in OP-AMPs), at a cost of more current noise. But... by now, the lowest noise single transistor I found is the 2SK170 and 2SJ74, reaching the 0,95nV/sqrt (Hz), the same as dual ultra low noise LM394, SSM2210... BJTs.
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