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| The LX1721/1722 is a monolithic high A complete audio amplifier module is |
| performance Class-D stereo controller lC available to quickly evaluate the LX1721 |
| designed for high efficiency or space or LX1722 stereo controller. Simply |
| constrained audio requirements such as connect the amplifier to the power source, |
| portable or battery operated products, audio signal, and speakers. Reference |
| automotive amplifiers, and multi-channel designs support a variety of requirements |
| multimedia computer and video game including multi channel systems, |
| applications. This high frequency, full subwoofers, satellite / subwoofer com- |
| audio bandwidth switching power binations and various speaker loads (2Q, |
| amplifier controller offers dramatically 4Q, 8Q). The versatile amplifier solution |
| improved performance over Linfinity's can easily be adjusted for frequency |
| previous generation amplifier products. response, optimized for efficiency and |
| Enhancements include higher output performance, or designed to minimize |
| power, better SNR, lower noise floor, and PCB area and component count. The |
| reduced THD. Combined with output LX1721/1722 is available in a space |
| power MOSFET's and an output filter, the saving 44-pin QSOP package. |
| LX1721/1722 is a complete Class-D audio (Continued Next Page) |
| solution. |
| IM PORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com |
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The 74LV139 is a dual 2-to-4 line decoder/demultiplexer. This device has two independent decoders, each accepting two binary weighted inputs (nAo and nAi) and providing four mutually exclusive active LOW outputs (nYo to nY3). Each decoder has an active LOW enable input (nE).
