Single battery-cell audio amplifiers

January 2005
Portable Design;Jan2005, Vol. 11 Issue 1, p13
The article presents information on single battery-cell audio amplifiers. The LM4916/19 is a typical single-ended headphone configuration with coupling capacitors. Its key features are its single-cell 0.9V to 2.5V battery operation, BTL mode for mono speaker, unity-gain stable, click-and-pop suppression circuit, active-iow micropower shutdown, low-current, active-low mute mode, thermal shutdown protection circuitry, available in MSOP-10 and tiny LLP-10 packaging.


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