| Manufacturer | Part # | Datasheet | Description |
 National Semiconductor ... | LM4858 |  683Kb/17P | Mono 1.5 W / Stereo 300mW Power Amplifier |
 National Semiconductor ... | LM48580 |  417Kb/16P | High Efficiency Class H, High Voltage, Haptic Piezo Actuator / Ceramic Speaker Driver |
| LM48580TL |  417Kb/16P | High Efficiency Class H, High Voltage, Haptic Piezo Actuator / Ceramic Speaker Driver |
 National Semiconductor ... | LM48580TLX |  417Kb/16P | High Efficiency Class H, High Voltage, Haptic Piezo Actuator / Ceramic Speaker Driver |
 National Semiconductor ... | LM4858LD |  683Kb/17P | Mono 1.5 W / Stereo 300mW Power Amplifier |
| LM4858MM |  683Kb/17P | Mono 1.5 W / Stereo 300mW Power Amplifier |