| Fabricante Electrônico | Nome de Peças | Folha de dados | Descrição Electrónicos |
 National Semiconductor ... | LM4670SD |  1Mb/18P | Filterless High Efficiency 3W Switching Audio Amplifier |
 National Semiconductor ... | LM4670ITL |  1Mb/18P | Filterless High Efficiency 3W Switching Audio Amplifier |
 National Semiconductor ... | LM4670ITLX |  1Mb/18P | Filterless High Efficiency 3W Switching Audio Amplifier |
 National Semiconductor ... | LM4670 |  1Mb/20P | Filterless High Efficiency 3W Switching Audio Amplifier |
| LM4670 |  1Mb/18P | Filterless High Efficiency 3W Switching Audio Amplifier |
| LM4670 |  1Mb/20P | Filterless High Efficiency 3W Switching Audio Amplifier |
 National Semiconductor ... | LM4671 |  969Kb/18P | Filterless High Efficiency 2.5W Switching Audio Amplifier |
| LM4671 |  594Kb/20P | Filterless High Efficiency 2.5W Switching Audio Amplifier |
| LM4671 |  588Kb/18P | Filterless High Efficiency 2.5W Switching Audio Amplifier |