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LA4581MB - Preamplifier Power Amplifier

Features

  • . Preamplifier muting and preamplifier output on/off can be . . . . implemented with one pin. This IC can easily be used to construct a set with a radio. The power amplifier needs no input/output coupling capacitor. A high-frequency cut capacitor is connected to the preamplifier input pin and the power amplifier input pin. (Anti-buzz provision) Because Vref AMP (r0 = 10 Ω) is built in, the virtual grounding impedance is about 10 Ω. This eliminates the need for a large capacitor. 8 Ω speaker dri.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number: EN3535A Monolithic Linear IC LA4581MB Preamplifier + Power Amplifier for 3V Headphone Stereos Overview The LA4581MB is an auto reverse-supported preamplifier + power amplifier IC that is intended for use in 3V headphone stereos. Package Dimensions unit : mm 3112-MFP24S [LA4581MB] Features . Preamplifier muting and preamplifier output on/off can be . . . . implemented with one pin. This IC can easily be used to construct a set with a radio. The power amplifier needs no input/output coupling capacitor. A high-frequency cut capacitor is connected to the preamplifier input pin and the power amplifier input pin. (Anti-buzz provision) Because Vref AMP (r0 = 10 Ω) is built in, the virtual grounding impedance is about 10 Ω. This eliminates the need for a large capacitor.
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