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Author Topic: OP AMP for audio.  (Read 754 times)
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pbraida
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« on: June 12, 2018, 12:30:35 12:30 »

Hi, everyone.

I need recommendations for an audio operational amplifier, that works with a single power supply 5.0 Volts.
The idea is change the wave as little as possible.

Thanks for any help.

Pedro.
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Xwing
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« Reply #1 on: June 12, 2018, 12:39:26 12:39 »

TI OPA301, good opamp for audio applications.

FEATURES
High Bandwidth: 150MHz
16-Bit Settling in 150ns
Low Noise: 3nV/√Hz
Low Distortion: 0.003%
Low Power: 9.5mA (typ) on 5.5V
Shutdown to 5A
Unity-Gain Stable
Excellent Output Swing:
(V+) − 100mV to (V−) + 100mV
Single Supply: +2.7V to +5.5V
Tiny Packages: MSOP and SOT23
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crahak
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« Reply #2 on: June 12, 2018, 04:39:45 16:39 »

A plain old, typical, industry-standard NE5532 can work, much like a lot of other opamps, but it all comes down to what kind of circuit and application you have in mind.
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LabVIEWguru
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« Reply #3 on: June 12, 2018, 05:58:00 17:58 »

Get a Linear Tech databook. They have opamps in there that border on science fiction.
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PICker
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« Reply #4 on: June 13, 2018, 12:43:15 00:43 »

Try also with TI products:
http://www.ti.com/amplifier-circuit/op-amps/audio/products.html#
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pbraida
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« Reply #5 on: June 13, 2018, 04:15:24 16:15 »

Get a Linear Tech databook. They have opamps in there that border on science fiction.
A plain old, typical, industry-standard NE5532 can work, much like a lot of other opamps, but it all comes down to what kind of circuit and application you have in mind.
Hi, this is for a Spektrum Analyser using a FFT Transform.
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Checksum8
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« Reply #6 on: June 13, 2018, 06:43:34 18:43 »

The MCP602x family are good for this type application.

http://ww1.microchip.com/downloads/en/DeviceDoc/20001685E.pdf
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