Ground-referenced, Ultra Low Noise, Ceramic Speaker Driver - National Semiconductor

The LM4953 is an Audio Power Amplifier designed for driving Ceramic Speaker in portable applications. When powered by a 3.6V supply, it is capable of forcing 12.6Vpp across a 2F +30 bridge-tied-load (BTL) with less than 1% THD+N. Boomer Audio Power Amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4953 does not require boot- strap capacitors, or snubber circuits. Therefore it is ideally suited for Display applications requiring high power and mini- mal size. The LM4953 features a low-power consumption shutdown mode. Additionally, the LM4953 features an internal thermal shutdown protection mechanism. The LM4953 contains advanced pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions. The LM4953 is unity-gain stable and CAN be configured by external gain-setting resistors. By National Semiconductor Corporation
LM4953 's PackagesLM4953 's pdf datasheet
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LM4953 Pinout, Pinouts
LM4953 pinout,Pin out
This is one package pinout of LM4953,If you need more pinouts please download LM4953's pdf datasheet.

LM4953 Application circuits
LM4953 circuits
This is one application circuit of LM4953,If you need more circuits,please download LM4953's pdf datasheet.


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