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AN-69 LM380 Power Audio Amplifier - TI

    https://www.ti.com/lit/an/snaa086/snaa086.pdf
    LM380 Power Audio Amplifier AN-69 National Semiconductor Application Note 69 December 1972 LM380 Power Audio Amplifier INTRODUCTION The LM380 is a power audio amplifier intended for consum-er applications. It features an internally fixed gain of 50 (34 dB) and an output which automatically centers itself at one-half of the supply voltage.

Audio Amplifier ICs | Overview | Audio | TI.com

    https://www.ti.com/audio-ic/amplifiers/overview.html
    Amplify. your audio system. From milliwatts to kilowatts, analog to digital and everything in between. We offer a wide range of easy-to-use audio amplifier integrated circuits, including digital and analog input Class-D speaker amps, Smart Amps, integrated headphone amps, audio op amps, and line drivers/receivers, across a wide range of output ...

LM380 Power Audio Amplifier - QSL.net

    https://www.qsl.net/n4xy/PDFs/Semiconductor_Application_Notes/LM380_app_note.pdf
    LM380 Power Audio Amplifier AN-69 National Semiconductor Application Note 69 December 1972 LM380 Power Audio Amplifier INTRODUCTION The LM380 is a power audio amplifier intended for consum-er applications. It features an internally fixed gain of 50 (34 dB) and an output which automatically centers itself at one-half of the supply voltage.

I2C Programmable-Gain Amplifier for Audio …

    https://datasheets.maximintegrated.com/en/ds/DS4420.pdf
    DS4420 I2C Programmable-Gain Amplifier for Audio Applications 4 _____ Note 1: All voltages are referenced to ground. Currents entering the IC are specified …

Audio Amplifier IC - Audio Power Amplifiers ...

    https://www.st.com/en/audio-ics/audio-amplifiers.html
    The TDA7498E amplifier offers flexible audio-system configuration, in both stereo and mono modes, and also includes the mono parallel feature for driving the subwoofer/woofer channel in 2.1 sound set-ups. To maximize the speaker output power, sound-system manufacturers require high-efficiency amplifiers capable of driving speakers at low impedances of 2 or 3 ohms, which …

A Collection of Amp Applications Application Note …

    https://www.analog.com/media/en/technical-documentation/application-notes/28080533AN106.pdf
    Title: A Collection of Amp Applications Application Note (AN-106) Created Date: 0-01-01T00:00:00Z

AN142 Audio circuits using the NE5532/3/4

    http://noel.feld.cvut.cz/hw/philips/acrobat/8143.pdf
    The circuit included in this application note has been assembled on a PC board, and tested with actual audio input devices (T uner and Turntable). It consists of an RIAA (Recording Industry Association of America) preamp, input buffer, 5-band equalizer, and mixer. Although the circuit design is not new , its performance using the 5532 has been ...

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